2020 GMC Sierra 1500

MSRP range: $35,900 - $58,500
(26)
MSRP$49,680
Edmunds suggests you pay$46,280

What Should I Pay

2020 GMC Sierra 1500 Review

  • Several available powertrains for towing and hauling needs
  • Long cabin provides excellent rear legroom
  • Massive bed capacity and a bounty of in-bed tie-down points
  • New touchscreen display is attractive and easy to use
  • Interior design and cabin controls look dated
  • Has a rougher ride than primary rivals
  • Quality of some cabin materials is subpar
  • Extra-large center stack takes up lots of cabin space
  • New 3.0-liter turbodiesel available as an option
  • 10-speed automatic now available with 5.3-liter V8
  • Optional bed-view and trailer cameras added to lineup
  • Adaptive cruise control now available
  • Part of the fourth Sierra 1500 generation introduced for 2019

The GMC Sierra 1500 is based on the Chevrolet Silverado 1500, and it shares almost all of its parts with that truck. The engines, the frame, the interior layout, and even most of the available options are identical. Yet the Sierra is more expensive. So why not just get the Silverado instead? Well, to justify its higher price, the Sierra 1500 offers a slightly more premium experience, a few higher-end materials, and some exclusive options that GMC hopes will draw you in.

One big party piece that the Sierra offers is the MultiPro rear tailgate. It's a six-position tailgate that can act as a table, an extension to the tailgate, or a large step for loading items into the bed. Another available option that gives the Sierra some cool factor is the carbon-fiber composite bed. Available as an option on the top trim levels, the CarbonPro bed promises decreased weight along with increased durability. Then there are the retractable side steps that can move forward and back for easier access to the cab or bed of the truck.

Aside from those GMC exclusives and some styling differences, the Sierra is the same under the hood. The GMC offers the same engine lineup as the Chevy, which includes a V6, a turbocharged four-cylinder and two V8s. And, just like the Chevy, the 2020 Sierra now offers a new 3.0-liter Duramax six-cylinder diesel engine. It provides robust towing capability, improved fuel economy and ample low-down torque.

All of these extras, coupled with a long list of standard features and impressive capabilities, make the 2020 GMC Sierra 1500 a tempting truck. However, rivals such as the Ram 1500 and Ford F-150 still hold an edge over the Sierra, with similarly equipped but less expensive trim levels and a more enjoyable daily-driving experience.

EdmundsEdmunds' Expert RatingThe Edmunds Vehicle Testing Team evaluates a fresh batch of vehicles every week, pairing objective assessments at our test track with real-world driving on city streets, freeways and winding roads. The data we gather results in our Expert Ratings. They’re based on 30-plus scores that cover every aspect of the automotive experience.
Rated for you by America’s best test team
The GMC Sierra is comfortable and can be equipped with a rambunctious 6.2-liter V8. But getting the big V8 drives the truck's cost up, reducing its value. Still, if you're looking for the best interpretation of the GM family of trucks, the Sierra could be it.
The optional 6.2-liter V8 is a wonderful engine. The 10-speed transmission shifts quickly. It helped our test truck cover 0-60 mph in 6.2 seconds, which is quick for a full-size truck. Maximum braking performance is also impressive, though a lack of brake pedal feel can make it hard to modulate the brakes precisely in routine driving.

We're less fond of the Sierra's handling capability. It leans over a lot and generally feels ponderous as you drive around turns. The feel from the steering wheel is also a bit numb. Off-road capability is average for a full-size truck. There's also a Traction Select system, which allows additional wheelspin and smoother initial throttle response in low-traction scenarios.
The Sierra isn't quite as plush in seating as its main rivals, but the shape and support are there. The ride is relatively smooth on the highway, and the truck ably absorbs most small impacts. But the truck can get bouncy when you drive on roads that have a lot of bumps and dips.

The climate system can easily heat and cool the cabin, but operating it can be a little tricky because a lot of the control buttons are small. We really like the split-heated front seats — offering separate settings for seatback and seat cushion — a GM-exclusive feature. Engine noise is nicely muted until you get hard on the throttle, at which point it becomes a bit unpleasant but not offensive.
Front headroom, shoulder room and legroom are plentiful. The back seat of the crew-cab Sierra is absolutely massive. Three full-size adults can easily fit shoulder to shoulder back there. Both the driver's seat and the steering wheel have a wide range of adjustments. But dialing in a truly pleasing driving position can be difficult because of the way the steering wheel tilts up and down.

The layout of the controls is OK. We like the big volume and tuning knobs but are less fond of some of the virtual buttons on the touchscreen and the overall dated look of the cabin. As for visibility, shorter drivers will have a hard time seeing over the hood of the truck. The thick roof pillars can also impede your vision.
The 8-inch infotainment screen looks small compared to the optional 12-inch screen you'll see in the Ram 1500, but GMC's system is at least relatively easy to use. Apple CarPlay and Android Auto come standard and, in our testing, connected quickly. There are USB and USB-C ports on the dash, plus more in the center console and rear-seat area, but a second set in the rear for passengers would be nice.

The native voice recognition system understands basic commands but doesn't do as well with recognizing natural speech. Our test truck also had automatic emergency braking, lane keeping assist, front and rear parking sensors, and blind-spot monitoring with rear cross-traffic alert. Most of these systems work well.
The GMC's bed is quite useful and convenient. It's big, with tie-downs galore, and no one offers bed steps like these. On top of that, it has an exclusive MultiPro tailgate, which opens in six different configurations. Top Sierra trims come standard with a brake controller, trailer camera angles that help you get hitched, and memory settings for various trailer configurations. Maximum tow ratings are not best-in-class but are nonetheless very respectable.

Inside, a large center console and lots of small pockets provide plenty of space for all your small items. There are copious cupholders too. Accommodating just about any child safety seat should be easy thanks to the crew cab's massive back seat.
The EPA says the Sierra Denali should get 17 mpg combined (15 city/20 highway). That's respectable for an upgraded V8 but not the best in class. At 17.6 mpg, we met the combined rating on our highway-dominant test loop, while our long-term average economy came out to 16.4 mpg. Impressively, we achieved 20.5 mpg during a long highway trip for our best tank.
Value is the Sierra's main weakness, especially when you're looking at the pricey Denali trim level. The interior is well-built and sturdy, but the quality of materials is disappointing. Other than the MultiPro tailgate, there's not much here that's distinctive. Other trucks offer better value and towing capability.

GMC's three-year/36,000-mile warranty and five-year/60,000-mile powertrain warranty are standard for the segment. Scheduled maintenance (oil changes and tire rotation) is included for the first visit in the first year — Ram and Ford can't match that.
These days a truck has to do much more than the basics. Styling plays a role, as does its drivability. The Sierra has merit in those areas — with plenty of visual bravado and towing and hauling capability, it's certainly a competent rig. But its competitors do many of those things just a fraction better. If you want a full-size truck that's more comprehensively upscale, go with the Ram.

Which Sierra 1500 does Edmunds recommend?

While you can go full luxe with the Denali, we think the best value comes from the midlevel SLT. It's standard with the likable 5.3-liter V8, or you can get the optional 3.0-liter diesel engine or the upgraded 6.2-liter V8 (our choice of engine). The SLT also has the trick MultiPro tailgate. Plus, most of the Denali's extra features, such as adaptive cruise control and the bed-view camera system, are available on the SLT as well.
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GMC Sierra 1500 models

The 2020 GMC Sierra 1500 is available in six trim levels: base, SLE, Elevation, SLT, AT4 and Denali. The Sierra is offered in regular single cab, double cab and crew cab with a variety of bed lengths. All cab configurations are available with four-wheel drive.

The base Sierra comes with a 4.3-liter V6 (285 horsepower, 305 lb-ft of torque), a six-speed automatic transmission, air conditioning, a rearview camera, a tilt-only steering wheel, Bluetooth, a 7-inch touchscreen, Android Auto and Apple CarPlay integration, and a six-speaker sound system.

The SLE trim level adds a turbocharged 2.7-liter four-cylinder engine (310 hp, 348 lb-ft of torque) paired with an eight-speed automatic transmission, remote keyless entry and an upgraded 8-inch touchscreen. From the SLE on up, a 3.0-liter inline-six turbodiesel engine (277 hp, 420 lb-ft of torque) is available as an option as is a bed-camera system that adds a cargo-box camera and provisions for two additional trailer-mounted cameras. On top of the standard SLE gear, the Elevation adds a remote-locking tailgate, LED foglights, and two USB ports in the back seat.

Stepping up to the SLT, you add a 5.3-liter V8 (355 hp, 383 lb-ft of torque) paired with an eight-speed auto, a locking rear differential, a MultiPro configurable tailgate, dual-zone climate control, a tilt-and-telescoping steering wheel, a trailer brake controller, heated-and-ventilated front seats, and heated second-row seats. A 6.2-liter V8 (420 hp, 460 lb-ft) with a 10-speed automatic is optional.

GMC offers a Driver Alert 1 package for the SLE and higher trims. It includes driver assistance features such as parking sensors, blind-spot monitoring and rear cross-traffic alert. There's also the Driver Alert 2 package (SLT, AT4 and Denali only) that further adds forward collision warning with automatic emergency braking, adaptive cruise control and lane keeping assist.

GMC gives the AT4 trim similar features to the SLT but with a 2-inch suspension lift, standard four-wheel drive with a two-speed transfer case, skid plates, monotube shock absorbers, all-terrain tires, hill descent control, and a terrain-selectable traction control system.

At the top of the range is the Denali, which basically builds on the SLT's contents. It also adds exclusive adaptive suspension dampers, the Driver Alert 1 package and a seven-speaker Bose sound system. Many of the top-trim features are available as options on lower trim levels. Other options for the Denali include power assist steps, a head-up display and a rear camera mirror. Also available only on the AT4 and the Denali is a lightweight carbon-fiber composite bed.

Consumer reviews

Read what other owners think about the 2020 GMC Sierra 1500.

Average user rating: 3.7 stars
26 total reviews
5 star reviews: 54%
4 star reviews: 11%
3 star reviews: 4%
2 star reviews: 12%
1 star reviews: 19%

Trending topics in reviews

  • appearance
  • ride quality
  • fuel efficiency
  • comfort
  • driving experience
  • seats
  • off-roading
  • wheels & tires
  • transmission
  • towing
  • interior
  • doors
  • sound system
  • maintenance & parts
  • infotainment system
  • reliability & manufacturing quality
  • engine
  • technology
  • lights
  • electrical system
  • road noise
  • dashboard
  • acceleration
  • value
  • cup holders
  • visibility
  • handling & steering

Most helpful consumer reviews

4/5 stars, Good but not class leading
Davelv,
Denali 4dr Crew Cab 6.6 ft. SB (5.3L 8cyl 8A)
Just put 8500 miles in 7 weeks on a new 2020 Sierra 1500 Denali with the 3.0 Duramax. Overall mpg was 24 with highway speeds at 75 to 80 mph. Driving at 55 mph in construction zones netted 40 to 50 mpg. Fantastic engine. Ride is smooth. Seats are comfortable. Easy to drive all day. However.... the navigation voice input is useless as it can't recognize most requests. Navigation also will try to send you down a goat path which might be on the maps but is not a real road. And worse it still has the 2016-2018's occasional problem of saying go right when the direction is really left, and vice-versa. Expect to always have to use Apple Carplay as backup for finding stuff and getting good directions. Also the screen is small and can't adequately display maps and music info at the same time. Tailgate is very heavy, as is its subdoor which is tough to close when the gate is down. Truck came with an electrical cable hanging from underneath that if it had caught on something would have torn it away - but was easily re-positioned to tuck it out of harms way. Heads-up display is nice, but the navigation map doesn't fully translate to it, just arrows and road numbers. Radio when it starts in a garage says no satellite signal message which doesn't go away until the channel is changed in the clear. DEF usage about 1 gallon/1000 miles. The 3.0 Duramax starts quickly and idles at 300 rpm and is almost unnoticeable at stop lights. Definitely suggest getting a start/stop eliminator since otherwise it resets every time the engine starts. Lane keeping is weaker than the 2016-2018 models, and severely lags other manufacturer's capabilities to self-drive for extended periods. Adaptive cruse control uses camera and shuts off when driving into the sun, but the standard cruise can still be used - a radar unit would eliminate this problem. Interior has a lot of plastic on the doors and dash that scratches easily. Sunroof is still only a small single pane instead of dual pane. It is a nice vehicle but would be fantastic with technology upgrades, higher interior quality availability, and some luxury options, e.g. dual pane sunroof, rear window shades, 20 way seats. Note that Model selected was for the 5.3L, not 3.0 Duramax as Edmunds doesn't list it, but this review is for the 3.0 Duramax.
2/5 stars, Technology / infotainment system not so good
Howard,
SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A)
Thought I was upgrading when I traded my 2017 Sierra 1500 crew cab with the premium plus package for this 2020 Sierra with same equipment package. I was wrong. There are indeed upgrades, however, the technology / infotainment system were a big step backward and has me regretting this purchase. Their system doesn't work well with at least some phones ( Iphone xs with latest operating system and 2 year old top tier Samsung ) when paired via bluetooth. GM has removed their built in messaging app so the only way to receive text messages through their system is to plug in / tether your phone and use Apple Car Play or AA. One can send text messages using voice commands but not receive, or even be notified of incoming messages when connected via bluetooth. Their system also turns the volume down on the phones which causes problems. Many pages of information / complaints regarding these issues are available by doing a search. Apparently impacts 2019 and 2020 GM products. I don't know why this isn't mentioned in all of the reviews since it would be a deal breaker for some. There are other issues / omissions on the 2020 that were on my 2017 that I find annoying such as no overhead console to store glasses, moving the wireless phone charger from the console lid to the front console losing half of the console storage area, ( which is ironic considering the phone must be plugged in for the basic phone functions to work ) and lights visible to the driver on the outside door mirrors showing when the turn signal is engaged. There is a lot to like with the 2020 Sierra but mine is an expensive vehicle with many top tier options yet the infotainment interaction with the Iphone is an 8 – 10 year step backward and shows how out of touch GM is with the consumer.
1/5 stars, Crooked pick up bed
Danny B,
SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A)
I bought a 2020 GMC Sierra 1500 pickup and the bed assembly is crooked. The dealer told me "they are all that way" and "no one ever notices" and "if they do they just live with it... This is a joke....buyer beware
5/5 stars, Amazing truck!
ambustag2,
SLT 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A)
Bought the 2020 Sierra AT4 and it has been nothing short of amazing. So much tech that the truck nearly drives itself. Got this with the new 3.0L Diesel and averaging 23 MPG out of the gate. Highly recommend if you are looking at a new truck and like the color matched look.

2020 GMC Sierra 1500 videos

RYAN ZUMMALLEN: Modern trucks, are they luxurious? Yes, but are they fast? Also, yes. And today, we're going to find out which one is the fastest. For that, we've got a very special guest: the 2021 Ford F150 Hybrid. Yes, it is a hybrid. No, it is not officially called the hybrid. It is called Power Boost because that sounds cooler. It's also got a very impressive 430 horsepower, and 570 pound feet of torque. John is behind the wheel of that one, and I think he's feeling like all the pressure is on him right now. And I'm going to go ahead and agree because that will take all the pressure off of me. Speaking of me, I'm in the 2020 GMC Sierra Denali, and that's got a very extreme package on it called Carbon Bro-- sorry, carbon Pro. The Carbon Pro Package comes with a carbon composite bed that is lightweight and extra durable. That actually makes the Sierra, by far, the lightest truck that we have in this Drag Race today. If that wasn't enough, there's also a huge 6.2 liter V8 up front that is making 420 horsepower and 460 pound feet of torque. Finally, in the third trunk we've got Elana and she is piloting a 2021 RAM 1,500 now that has an engine that we're very familiar with a 5.7 liter vote, making 395 horsepower and 410 pounds of torque. Honestly, that's a lot of power, but it's kind of the underdog in this race today. But you never know what's going to happen, so let's see which truck is fastest. Before we get into the racing, don't forget to hit that Subscribe button like my job depends on it, so you don't miss any of our videos. And there's a edmands.com for all your car shopping needs. On top of that, if you go to edmands.com, you can get a cash offer on your car right now. OK, guys, for this first run, let's go two wheel drive and see how it goes. ELANA SCHERR: You're the boss. RYAN ZUMMALLEN: They don't know this, but I'm also going no traction control to try and get a better start. So we'll see how that goes. SPEAKER 1: Let me know when everyone's ready, and I'll do the countdown. ELANA SCHERR: Are we leaving on one or after one? SPEAKER 1: It will be a 3, 2, 1, go. On go. JOHN ADOLPH: So on the G go or the O of go? ELANA SCHERR: Be quiet. SPEAKER 1: 3, 2, 1, go. RYAN ZUMMALLEN: Get it, get it. I think I got Elana. Oh, no. John's catching up. Oh, no, he's going to take it. JOHN ADOLPH: Boom. RYAN ZUMMALLEN: Oh, I really thought I had him. ELANA SCHERR: You sleepy mofos got saved by horsepower. JOHN ADOLPH: Well, you both definitely got the jump on me by a lot. RYAN ZUMMALLEN: Yeah, I think with another practice, you will get a much better jump and then we really won't have a chance. But I did think I had you for a good couple of seconds, and then that was that. ELANA SCHERR: I am going to be reduced to crashing into you if I want to win this. RYAN ZUMMALLEN: I don't know about you guys, but I thought that was a pretty impressive run by all three trucks. ELANA SCHERR: I would not say that I was impressed by the Rams performance there, no. RYAN ZUMMALLEN: You jumped out so fast, though. ELANA SCHERR: That wasn't the truck, friend. No, the RAM is a great truck. 10 years ago when 400 horsepower was full on bragging rights, this thing would have blown everybody's minds. But nowadays, I mean, heck, FCA puts a Hellcat in a Ram truck. Now so I'm just not satisfied with the five seven. RYAN ZUMMALLEN: John, surprised? JOHN ADOLPH: It was really smooth. I mean, I don't know. I'd want to go back to back to back to see the difference. ELANA SCHERR: You just want to win repeatedly. JOHN ADOLPH: I must admit, it feels good. ELANA SCHERR: Do you want to try it in four wheel drive? I mean, maybe my problem was just that I wasn't putting all the power down. RYAN ZUMMALLEN: Yeah, that was my problem too, definitely. So let's remedy that and put John where he belongs. ELANA SCHERR: I think the big problem with that plan, Ryan, is that John also has four wheel drive. All right, John, Ryan, you guys are putting it in four wheel drive high. It's pretty simple here. I just press a button. JOHN ADOLPH: I already put it in sport mode, which automatically sets it up four. High four automatic. RYAN ZUMMALLEN: I'm in four high and I just discovered I have a sport mode, so you guys are in trouble now. ELANA SCHERR: Well then, I guess we should do this thing. SPEAKER 1: OK. 3, 2, 1, go. RYAN ZUMMALLEN: Sport mode, don't fail me now. Oh, better, better, better. Might have it this time. Oh, that was so close. I honestly don't know. He got me at the very end, but I think I might have crossed the line first. John, do you know who won? JOHN ADOLPH: I think it was you, Ryan. I was creeping up, but I couldn't catch you. I don't know if being in four made a difference, or I was just sleeping at the light. ELANA SCHERR: You were so sleepy, I could hear your dreams. I mean, no one can say I'm not trying. RYAN ZUMMALLEN: No, but you're not winning either. ELANA SCHERR: Ouch. I mean, I think it's nice of you, John, to at least give us a moment of thinking that we might have a chance at winning. JOHN ADOLPH: You guys want to do best two out of three? ELANA SCHERR: Either that or a role race. RYAN ZUMMALLEN: So for the third and final race, we're going to do a rolling race. From 40 miles an hour, we'll all be traveling together, and then we'll all smash it and see who can win from there. So that is going to be more of a real world replication, like if you're merging onto a highway or you're traveling down a straight road, and need to pass a slow Prius in front of you. Rolling race. Here we go. Let's see, homes. Mash it. JOHN ADOLPH: Come on, come on, come on, come on, come on, come on. RYAN ZUMMALLEN: Sport mode. Come on, carbon fiber. Come on, 6.2. Nope, not happening. JOHN ADOLPH: Oh, I love it. F150 wins this time. Congratulations, John. ELANA SCHERR: I just want you guys to know that I have a lot of snacks in the giant console in the room and I am not sharing them. JOHN ADOLPH: I have to admit, it's fun to win. But it's bittersweet because there's no skill involved, whatsoever. I can't be really that proud, it's just mash it and keep it straight. ELANA SCHERR: I mean, what better reason to buy a fast truck than to just be like, even the skill-less can win races. RYAN ZUMMALLEN: Just imagine if you had a carbon fiber bed. As fun and dramatic as that was, our real world race isn't really that surprising. Here's why: the results were pretty predictable based on our own independent instrumental track testing. That showed the F 150 blasting to 60 miles an hour in just 5.7 seconds, despite being the heaviest of the bunch. With the Sierra in hot pursuit at six seconds flat, and the Ram finishing in style at 7.3 seconds. In the quarter mile, this year, I had reason for hope given our observed time just 2/10 of a second behind the Ford, at a speed just a hair faster to boot. Again, the Ram, well, at least it looked good. When it comes to braking, again, the Ford and GMC are neck and neck, with the F 150 besting the group at 129 feet to a complete stop. While the Sierra needed 130 and the Ram took 138. Finally, on the skid pad, the Sierra took top honors measuring 0.79 lateral g over the F150's 0.78, and the Rams 0.72, which, of course, is critically important when you're all crossing your work truck. If anything, this test drove home the pure beastly power of the GMC's 6.2 liter V8. But even more than that, it showed the astonishing ability of the F 150s hybrid system to counteract all this additional weight. OK, three races down. I caught him once, so that's one for the Sierra. But the other two went pretty decisively to the F 150. That is a seriously fast truck. All three of these trucks are impressive. This one is impressive because of old school brute force. The RAM is impressive because it's just comfort everywhere you look. And the Ford is impressive because that thing feels like the future. And I wouldn't be surprised if a few years from now, we're having a three way hybrid race between these three brands. Who knows? But until then, F 150 wins into Drag Race, and it was fun finding that out. Thanks for watching. Don't forget to like and subscribe so we can keep making more videos like this. And click the links in the description for more information on all three of these trucks.

Drag Race! Ford F-150 vs. Ram 1500 vs. GMC Sierra | Racing Pickup Trucks! | 0-60 Performance & More


Features & Specs

Base MSRP
$39,200
MPG & Fuel
15 City / 20 Hwy / 17 Combined
Fuel Tank Capacity: 24.0 gal. capacity
Seating
6 seats
Drivetrain
Type: four wheel drive
Transmission: 6-speed shiftable automatic
Engine
V6 cylinder
Horsepower: 285 hp @ 5300 rpm
Torque: 305 lb-ft @ 3900 rpm
Basic Warranty
3 yr./ 36000 mi.
Dimensions
Length: 231.7 in. / Height: 75.5 in.
Overall Width with Mirrors: N/A
Overall Width without Mirrors: 81.2 in.
Curb Weight: 4950 lbs.
Cargo Capacity, All Seats In Place: N/A

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At a Glance:
  • 10 Colors
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  • $29,700starting MSRP
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*The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Some colors are extra cost. See dealer for details.

Safety

Our experts’ favorite Sierra 1500 safety features:

Forward Collision Alert
Sounds an alert and flashes a light when the system detects a possible front crash.
Lane Keep Assist
Detects when the vehicle is drifting from its lane and gently steers it back toward the center.
Low-Speed Forward Automatic Braking
Automatically applies the brakes when the system detects an impending frontal crash at low speeds.

NHTSA Overall Rating 4 out of 5 stars

The National Highway Transportation Safety Administration offers independent analysis.

Frontal Barrier Crash RatingRating
Overall4 / 5
Driver5 / 5
Passenger4 / 5
Side Crash RatingRating
Overall5 / 5
Side Barrier RatingRating
Overall5 / 5
Driver5 / 5
PassengerNot Rated
Combined Side Barrier & Pole RatingsRating
Front Seat5 / 5
Back SeatNot Rated
RolloverRating
Rollover4 / 5
Dynamic Test ResultNo Tip
Risk Of RolloverNot Rated



GMC Sierra 1500 vs. the competition

2020 GMC Sierra 1500

2020 GMC Sierra 1500

2020 Ram 1500

2020 Ram 1500

GMC Sierra 1500 vs. Ram 1500

If you're looking for a luxury experience in a full-size truck, the Sierra and the Ram are two of the top choices. The Ram, however, offers a better cabin, more comfortable seats and a better highway ride than the Sierra. The Sierra has more powertrains to choose from, but the Ram counters with three impressive engines of its own. Read Edmunds' long-term road test of the Ram 1500.

Compare GMC Sierra 1500 & Ram 1500 features 

GMC Sierra 1500 vs. Ford F-150

Available with a dizzying array of options and a seemingly endless combination of engines and cab configurations, the Ford F-150 is a seriously versatile truck. It also has some top-notch towing and hauling numbers if you're looking for a capable work truck. Like the Ram, the Ford F-150 will appeal to more price-conscious buyers than the Sierra 1500. Read Edmunds' long-term road test of the Ford F-150.

Compare GMC Sierra 1500 & Ford F-150 features 

GMC Sierra 1500 vs. Chevrolet Silverado 1500

If you're looking for all the GMC Sierra's capability but don't want to pay the luxury premium, the choice at this point should be clear: the Chevrolet Silverado. There's very little mechanically that separates these two trucks. And if you like them both, it might just come down to a styling preference.

Compare GMC Sierra 1500 & Chevrolet Silverado 1500 features 

2020 GMC Sierra 1500 First Impressions

What is it?

Like its Chevrolet Silverado 1500 stablemate, the 2020 GMC Sierra 1500 is a full-size pickup truck that is available in crew-cab, double-cab and regular-cab configurations. No surprises there. For 2020, there are some new trim options and, most notably, a new powerplant. Along with the previously available gas engines, the Sierra 1500 now offers an optional turbocharged diesel six-cylinder engine.

This engine differs from other half-ton diesel pickup engines because it's an inline-six instead of the usual V6. Since it's longer, it takes up more engine compartment space. But engines with this layout tend to run smoother and produce more torque. The Duramax's power ratings support this: 277 horsepower and 460 lb-ft of torque. GMC pairs this engine to a 10-speed automatic transmission.

2020 GMC Sierra 1500 - Front
2020 GMC Sierra 1500
Why does it matter?

Every 2500 and 3500 HD pickup truck has a diesel engine option, and they're always in demand despite the extra upfront cost. The same has not been true of the 1500 series "half-ton" segment. For years there wasn't a single choice until Ram reintroduced a diesel in 2014.

Diesel engines are popular among truck buyers because they excel in two key areas: They make abundant torque for easier towing and offer better overall range and fuel economy. They are especially good at doing both at once by providing respectable fuel economy and range while towing.

2020 GMC Sierra 1500 - Rear 3/4
2020 GMC Sierra 1500
What does it compete with?

Ford sells a 3.0-liter Power Stroke turbodiesel V6 engine that makes 250 hp and 440 lb-ft of torque. Fuel economy in combined city/highway driving is rated at 25 mpg for two-wheel-drive models and down to about 22 mpg for four-wheel-drive versions. Towing is pegged at a maximum of 11,400 pounds.

Ram began selling a 3.0-liter EcoDiesel in 2014, and sales were brisk until it was pulled from the lineup due to problems with emissions certification. It's finally back in the 2020 Ram 1500 and offers strong competition with ratings of 260 hp and 480 lb-ft of torque. It's also rated to tow as much as 12,560 pounds.

The Sierra, with the new diesel engine, can tow up to 9,100 pounds. Is this a huge problem for GMC? In terms of bragging rights, absolutely. But 9,100 pounds is still plenty of capacity. And if you really want maximum towing, you can get the gasoline V8 for up to 12,100 pounds. The Duramax engine exists to provide superior everyday fuel economy. The EPA estimates it'll get 24-26 mpg in combined driving, depending on configuration.

2020 GMC Sierra 1500 - Detail
2020 GMC Sierra 1500
How does it drive?

The days of trading ride comfort and handling for the hauling and towing power of a pickup are gone. The Sierra 1500 is so smooth and quiet that we had to pull over after a mile into our evaluation to check the badge and make sure we were driving a Sierra with the Duramax engine. The diesel and 10-speed automatic provide smooth and seamless power in all situations. There is no wind noise, little engine noise and minimal tire noise — even in the lifted AT4 trim level.

Visibility in the 1500 is good, although it lacks the giant square windows of its big heavy-duty siblings. It's still easy to see out of. It's also surprisingly nimble and stable. We've been in Cadillacs that had a more punishing ride quality.

Don't think that just because the Sierra is quiet and plush, that it isn't capable. The AT4 trim equips the Sierra with a 2-inch suspension lift and optional all-terrain Goodyear Wrangler DuraTrac tires. It will happily ramble over rocks or through the mud, so you know it won't have any trouble hauling a couple of dirt bikes down a dirt road to wherever you plan to do your On Any Sunday remake.

2020 GMC Sierra 1500 - Action Front 3/4
2020 GMC Sierra 1500
What's the interior like?

We've given Chevy a hard time about the Silverado's less than thrilling interior. GMC steps it up, but not enough. While the materials are soft-touch, and there are a few pops of color and texture, the Sierra just doesn't push the interior design, even in the high-level Denali. It's monolithic and monochromatic, like driving the artifact from 2001: A Space Odyssey — shiny, vertical and black.

Ford and Ram are doing more in this space when it comes to visual appeal. However, the Sierra's seats are comfortable and available with heating and ventilation. The controls are easy to understand and easy to get to, which isn't always the case in a big-truck interior. The center console could fit a watermelon, and the back seats are large enough for your largest friends.

2020 GMC Sierra 1500 - Dash
2020 GMC Sierra 1500
How practical is it?

If you ever fret about towing, GMC's ProGrade trailering system will cure your ulcers and may inspire you to take the boat out more. A combination of cameras, optional tow mirrors, parking brake assist (for easier hitching), and an integrated trailer brake controller make dangling a trailer as easy as driving without one.

You can bring up a combination of 15 different camera angles on the center touchscreen to keep an eye on every corner of your payload. And if you get the optional head-up display, you can keep those towing camera displays up while using the head-up display for other info, such as navigation directions. There's even an option for a camera that shows you the inside of your trailer. It takes all the guesswork out of changing lanes and turning corners, and it will make even experienced haulers breathe a sigh of relief.

Speaking of hauling, the Sierra has some nifty bed features, too. First is the previously available MultiPro tailgate, which you can lower as either a traditional one-piece or separate to create a handy step or a tailgate party hangout. Our only criticism is that having a hitch installed can interfere with deployment of the MultiPro tailgate's step position. Want some tunes? Add a built-in Kicker audio system to the bed, which GMC says uses the same technology as watercraft stereos, so you don't have to worry about shorting it out if you're partying in the rain or launching a speedboat.

If you opt for the Sierra's CarbonPro bed, you get to be an early adopter of some very cool technology. Ford may have aluminum, but GMC is going carbon fiber. The molded bed is a mix of cut carbon and resin, and GMC says it is more abrasion- and impact-resistant than any of its competitors.

2020 GMC Sierra 1500 - Front 3/4
2020 GMC Sierra 1500
What else should I know?

The 2020 Sierra 1500 is a well-designed truck with several unique options. The Denali and AT4 are high-level choices, but the new Elevation edition is an attractive vehicle at a lower price point. GMC doesn't have the bragging rights on numbers for its 1500, but it has an edge on technology and refinement.

2020 GMC Sierra 1500 - Rear 3/4
2020 GMC Sierra 1500
EdmundsEdmunds says

For 2020, the GMC Sierra 1500 gets some pretty big improvements in the powertrain and technology departments. There's a new six-cylinder diesel engine added to the lineup, and the available 5.3-liter V8 can now be paired with GM's 10-speed automatic transmission. You can also get GMC's new bed-camera system, which includes the capability to attach two more cameras on your trailer. Combine these improvements with Sierra's stout capabilities and you've got a much more appealing truck.


FAQ

Is the GMC Sierra 1500 a good car?

The Edmunds experts tested the 2020 Sierra 1500 both on the road and at the track, giving it a 7.3 out of 10. You probably care about GMC Sierra 1500 fuel economy, so it's important to know that the Sierra 1500 gets an EPA-estimated 17 mpg to 20 mpg, depending on the configuration. And then there's safety and reliability. Edmunds has all the latest NHTSA and IIHS crash-test scores, plus industry-leading expert and consumer reviews to help you understand what it's like to own and maintain a GMC Sierra 1500. Learn more

What's new in the 2020 GMC Sierra 1500?

According to Edmunds’ car experts, here’s what’s new for the 2020 GMC Sierra 1500:

  • New 3.0-liter turbodiesel available as an option
  • 10-speed automatic now available with 5.3-liter V8
  • Optional bed-view and trailer cameras added to lineup
  • Adaptive cruise control now available
  • Part of the fourth Sierra 1500 generation introduced for 2019
Learn more

Is the GMC Sierra 1500 reliable?

To determine whether the GMC Sierra 1500 is reliable, read Edmunds' authentic consumer reviews, which come from real owners and reveal what it's like to live with the Sierra 1500. Look for specific complaints that keep popping up in the reviews, and be sure to compare the Sierra 1500's average consumer rating to that of competing vehicles. Learn more

Is the 2020 GMC Sierra 1500 a good car?

There's a lot to consider if you're wondering whether the 2020 GMC Sierra 1500 is a good car. Edmunds' expert testing team reviewed the 2020 Sierra 1500 and gave it a 7.3 out of 10. Safety scores, fuel economy, cargo capacity and feature availability should all be factors in determining whether the 2020 Sierra 1500 is a good car for you. Learn more

How much should I pay for a 2020 GMC Sierra 1500?

The least-expensive 2020 GMC Sierra 1500 is the 2020 GMC Sierra 1500 4dr Crew Cab 5.8 ft. SB (4.3L 6cyl 6A). Including destination charge, it arrives with a Manufacturer's Suggested Retail Price (MSRP) of about $35,900.

Other versions include:

  • SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) which starts at $50,200
  • AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) which starts at $53,400
  • Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) which starts at $58,200
  • SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 8A) which starts at $46,700
  • Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) which starts at $46,000
  • SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) which starts at $43,500
  • Elevation 4dr Crew Cab 5.8 ft. SB (2.7L 4cyl Turbo 8A) which starts at $42,700
  • 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A) which starts at $39,200
  • SLE 4dr Crew Cab 5.8 ft. SB (2.7L 4cyl Turbo 8A) which starts at $40,200
  • Denali 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 8A) which starts at $54,700
  • SLT 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A) which starts at $50,500
  • Denali 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A) which starts at $58,500
  • AT4 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A) which starts at $53,700
  • 4dr Crew Cab 5.8 ft. SB (4.3L 6cyl 6A) which starts at $35,900
  • Elevation 4dr Crew Cab 4WD 6.6 ft. SB (2.7L 4cyl Turbo 8A) which starts at $46,300
  • SLT 4dr Crew Cab 6.6 ft. SB (5.3L 8cyl 8A) which starts at $47,000
  • SLE 4dr Crew Cab 4WD 6.6 ft. SB (2.7L 4cyl Turbo 8A) which starts at $43,800
  • 4dr Crew Cab 4WD 6.6 ft. SB (4.3L 6cyl 6A) which starts at $39,500
  • Denali 4dr Crew Cab 6.6 ft. SB (5.3L 8cyl 8A) which starts at $55,000
  • Elevation 4dr Crew Cab 6.6 ft. SB (2.7L 4cyl Turbo 8A) which starts at $43,000
  • SLE 4dr Crew Cab 6.6 ft. SB (2.7L 4cyl Turbo 8A) which starts at $40,500
  • 4dr Crew Cab 6.6 ft. SB (4.3L 6cyl 6A) which starts at $36,200
Learn more

What are the different models of GMC Sierra 1500?

If you're interested in the GMC Sierra 1500, the next question is, which Sierra 1500 model is right for you? Sierra 1500 variants include SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), and SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 8A). For a full list of Sierra 1500 models, check out Edmunds’ Features & Specs page. Learn more

More about the 2020 GMC Sierra 1500

2020 GMC Sierra 1500 Overview

The 2020 GMC Sierra 1500 is offered in the following submodels: Sierra 1500 Crew Cab, Sierra 1500 Regular Cab, Sierra 1500 Double Cab. Available styles include SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 8A), Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A), SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A), Elevation 4dr Crew Cab 5.8 ft. SB (2.7L 4cyl Turbo 8A), Elevation 4dr Double Cab 4WD SB (2.7L 4cyl Turbo 8A), 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A), SLE 4dr Crew Cab 5.8 ft. SB (2.7L 4cyl Turbo 8A), Denali 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 8A), SLE 4dr Double Cab 4WD SB (2.7L 4cyl Turbo 8A), SLT 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A), Denali 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A), Elevation 4dr Double Cab SB (2.7L 4cyl Turbo 8A), AT4 4dr Crew Cab 4WD 6.6 ft. SB (5.3L 8cyl 10A), 4dr Crew Cab 5.8 ft. SB (4.3L 6cyl 6A), Elevation 4dr Crew Cab 4WD 6.6 ft. SB (2.7L 4cyl Turbo 8A), 4dr Double Cab 4WD SB (4.3L 6cyl 6A), 2dr Regular Cab LB (4.3L 6cyl 6A), 2dr Regular Cab 4WD LB (4.3L 6cyl 6A), SLE 4dr Crew Cab 4WD 6.6 ft. SB (2.7L 4cyl Turbo 8A), SLT 4dr Crew Cab 6.6 ft. SB (5.3L 8cyl 8A), 4dr Crew Cab 4WD 6.6 ft. SB (4.3L 6cyl 6A), SLE 4dr Double Cab SB (2.7L 4cyl Turbo 8A), 4dr Double Cab SB (4.3L 6cyl 6A), Denali 4dr Crew Cab 6.6 ft. SB (5.3L 8cyl 8A), Elevation 4dr Crew Cab 6.6 ft. SB (2.7L 4cyl Turbo 8A), SLE 4dr Crew Cab 6.6 ft. SB (2.7L 4cyl Turbo 8A), SLT 4dr Double Cab SB (5.3L 8cyl 8A), SLT 4dr Double Cab 4WD SB (5.3L 8cyl 10A), AT4 4dr Double Cab 4WD SB (5.3L 8cyl 10A), and 4dr Crew Cab 6.6 ft. SB (4.3L 6cyl 6A). GMC Sierra 1500 models are available with a 5.3 L-liter gas engine, with output up to 355 hp, depending on engine type. The 2020 GMC Sierra 1500 comes with four wheel drive. Available transmissions include: 10-speed shiftable automatic. The 2020 GMC Sierra 1500 comes with a 3 yr./ 36000 mi. basic warranty, a 5 yr./ 60000 mi. roadside warranty, and a 5 yr./ 60000 mi. powertrain warranty.

What do people think of the 2020 GMC Sierra 1500?

Consumer ratings and reviews are also available for the 2020 GMC Sierra 1500 and all its trim types. Overall, Edmunds users rate the 2020 Sierra 1500 3.7 on a scale of 1 to 5 stars. Edmunds consumer reviews allow users to sift through aggregated consumer reviews to understand what other drivers are saying about any vehicle in our database. Detailed rating breakdowns (including performance, comfort, value, interior, exterior design, build quality, and reliability) are available as well to provide shoppers with a comprehensive understanding of why customers like the 2020 Sierra 1500.

Edmunds Expert Reviews

Edmunds experts have compiled a robust series of ratings and reviews for the 2020 GMC Sierra 1500 and all model years in our database. Our rich content includes expert reviews and recommendations for the 2020 Sierra 1500 featuring deep dives into trim levels and features, performance, mpg, safety, interior, and driving. Edmunds also offers expert ratings, road test and performance data, long-term road tests, first-drive reviews, video reviews and more.

Our Review Process

This review was written by a member of Edmunds' editorial team of expert car reviewers. Our team drives every car you can buy. We put the vehicles through rigorous testing, evaluating how they drive and comparing them in detail to their competitors.

We're also regular people like you, so we pay attention to all the different ways people use their cars every day. We want to know if there's enough room for our families and our weekend gear and whether or not our favorite drink fits in the cupholder. Our editors want to help you make the best decision on a car that fits your life.

What's a good price for a New 2020 GMC Sierra 1500?

2020 GMC Sierra 1500 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A)

The 2020 GMC Sierra 1500 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $49,680. The average price paid for a new 2020 GMC Sierra 1500 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A) is trending $3,400 below the manufacturer’s MSRP.

Edmunds members save an average of $3,400 by getting upfront special offers. The estimated special offer price in your area is $46,280.

The average savings for the 2020 GMC Sierra 1500 4dr Crew Cab 4WD 5.8 ft. SB (4.3L 6cyl 6A) is 6.8% below the MSRP.

2020 GMC Sierra 1500 SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A)

The 2020 GMC Sierra 1500 SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $51,540. The average price paid for a new 2020 GMC Sierra 1500 SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) is trending $3,531 below the manufacturer’s MSRP.

Edmunds members save an average of $3,531 by getting upfront special offers. The estimated special offer price in your area is $48,009.

The average savings for the 2020 GMC Sierra 1500 SLE 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) is 6.9% below the MSRP.

2020 GMC Sierra 1500 Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A)

The 2020 GMC Sierra 1500 Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $53,620. The average price paid for a new 2020 GMC Sierra 1500 Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) is trending $3,677 below the manufacturer’s MSRP.

Edmunds members save an average of $3,677 by getting upfront special offers. The estimated special offer price in your area is $49,943.

The average savings for the 2020 GMC Sierra 1500 Elevation 4dr Crew Cab 4WD 5.8 ft. SB (2.7L 4cyl Turbo 8A) is 6.9% below the MSRP.

2020 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A)

The 2020 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $59,455. The average price paid for a new 2020 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is trending $4,656 below the manufacturer’s MSRP.

Edmunds members save an average of $4,656 by getting upfront special offers. The estimated special offer price in your area is $54,799.

The average savings for the 2020 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is 7.8% below the MSRP.

2020 GMC Sierra 1500 AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A)

The 2020 GMC Sierra 1500 AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $64,265. The average price paid for a new 2020 GMC Sierra 1500 AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is trending $4,429 below the manufacturer’s MSRP.

Edmunds members save an average of $4,429 by getting upfront special offers. The estimated special offer price in your area is $59,836.

The average savings for the 2020 GMC Sierra 1500 AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is 6.9% below the MSRP.

2020 GMC Sierra 1500 Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A)

The 2020 GMC Sierra 1500 Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) can be purchased for less than the Manufacturer’s Suggested Retail Price (aka MSRP) of $69,685. The average price paid for a new 2020 GMC Sierra 1500 Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is trending $4,813 below the manufacturer’s MSRP.

Edmunds members save an average of $4,813 by getting upfront special offers. The estimated special offer price in your area is $64,872.

The average savings for the 2020 GMC Sierra 1500 Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A) is 6.9% below the MSRP.

Which 2020 GMC Sierra 1500s are available in my area?

Shop Edmunds' car, SUV, and truck listings of over 6 million vehicles to find a cheap new, used, or certified pre-owned (CPO) 2020 GMC Sierra 1500 for sale near. Simply research the type of car you're interested in and then select a car from our massive database to find cheap vehicles for sale near you. Once you have identified a used vehicle you're interested in, check the AutoCheck vehicle history reports, read dealer reviews, and find out what other owners paid for the 2020 GMC Sierra 1500.

Can't find a new 2020 GMC Sierra 1500s you want in your area? Consider a broader search.

Find a new GMC for sale - 7 great deals out of 15 listings starting at $25,568.

Why trust Edmunds?

Edmunds has deep data on over 6 million new, used, and certified pre-owned vehicles, including rich, trim-level features and specs information like: MSRP, average price paid, warranty information (basic, drivetrain, and maintenance), features (upholstery, bluetooth, navigation, heated seating, cooled seating, cruise control, parking assistance, keyless ignition, satellite radio, folding rears seats ,run flat tires, wheel type, tire size, wheel tire, sunroof, etc.), vehicle specifications (engine cylinder count, drivetrain, engine power, engine torque, engine displacement, transmission), fuel economy (city, highway, combined, fuel capacity, range), vehicle dimensions (length, width, seating capacity, cargo space), car safety, true cost to own. Edmunds also provides tools to allow shopper to compare vehicles to similar models of their choosing by warranty, interior features, exterior features, specifications, fuel economy, vehicle dimensions, consumer rating, edmunds rating, and color.

What is the MPG of a 2020 GMC Sierra 1500?

2020 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), 10-speed shiftable automatic, regular unleaded
19 compined MPG,
16 city MPG/22 highway MPG

2020 GMC Sierra 1500 AT4 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), 10-speed shiftable automatic, regular unleaded
18 compined MPG,
16 city MPG/21 highway MPG

2020 GMC Sierra 1500 Denali 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 10A), 10-speed shiftable automatic, regular unleaded
19 compined MPG,
16 city MPG/22 highway MPG

EPA Est. MPG19
Transmission10-speed shiftable automatic
Drive Trainfour wheel drive
Displacement5.3 L
Passenger VolumeN/A
Wheelbase147.4 in.
Length231.7 in.
WidthN/A
Height75.5 in.
Curb Weight5040 lbs.

Should I lease or buy a 2020 GMC Sierra 1500?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

Check out GMC lease specials