Used 2019 GMC Sierra 3500HD Consumer Reviews
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We have a limited number of reviews for the 2019 Sierra 3500HD, so we've included reviews for other years of the Sierra 3500HD since its last redesign.
The designers and engineers should drive it more
Mike Langford, 01/16/2020
2017 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB DRW (6.0L 8cyl 6A)
6 of 6 people found this review helpful
The Nav system is almost useless as far as address input, The 4 wheel selector knob doesn't need to above the very similar headlight knob, Why not put a DEF gauge in it? When DEF warning triggers the DIC, no other information is available until the DEF tank is filled! Entertainment system (CD, books on disk and downloaded library books) startup again when I approach the vehicle (phone in my pocket) and the engine is running. I have lost my place in many books many times because of this. The backup camera surely came from a Cracker Jacks box, substandard quality. The center display will ruin your night vision when put in reverse (it could use a dimmer/off switch). And why not allow full time use of the back up camera and back up lighting? (I live and work on my farm). Steering wheel buttons could be a little more intuitive, It's easy to turn on the steering wheel heater when the intent was to reduce the cruise speed. My truck has the 6.6 Duramax (awsome!) and I drive about 10k miles/mo. Needless to say, I'm in it a lot. Don't misunderstand, I love my truck but like I said in the beginning, the design and engineering people should have to drive their creations for a month or so. How did someone devise the notion to put the DEF filler neck under the hood and on the passenger side firewall? A common problem and more future problems will occur as the caustic DEF fluid splashes out of the filler neck, it drains down on top of and puddles in the wiring harness on the bottom of the DEF tank where the wires go into the bottom of the tank. It's happened once and it damaged the DEF tank heater... thingie. Luckily it was under extended warranty. And one thing Edmunds, I couldn't find the 6.6 Duramax option on your drop down menus. There all 6.0s
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I love my truck
Jon ellis, 08/18/2016
2016 GMC Sierra 3500HD Denali 4dr Crew Cab LB DRW (6.0L 8cyl 6A)
9 of 10 people found this review helpful
I have a 2015 gmc 3500 dually with the durmax. I also put 24 inch 18 wheel style wheels with larger tires. My truck rides great and i had as much as 21 mpg on the hwy. I average about 15mpg but i do a lot of stop and go and sitting in Atlanta traffic. I have a 26 foot trailer and when i pull it it doesnt even feel any different. I had a ford f350 prior and i had nothing but issues. I also have new a ls460 but i rather drive my truck.
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Had every brand of truck. This is the BEST!
zolman, 08/31/2017
updated 09/09/2021
2016 GMC Sierra 3500HD SLT 4dr Crew Cab 4WD LB (6.0L 8cyl 6A)
9 of 10 people found this review helpful
First of all Edmunds doesn't give the Duramax / Allison option to review. That is what mine is so it might not compare to other reviewers. The some of previous reviewers must have been driving a completely different truck then I was. Some of those reviews just didn't make sense to me. This is an awesome truck. It's more "luxury car" like then any truck I've ever driven. And now I have had 40,000 miles of trouble free use. My wife enjoys driving it because she has great visibility and it is so easy to handle for the "beast" that it is. It easily handles my 39 ', 15,300 5th Wheel toy hauler with a 2 700lb. mototcycles. You actually don't even know all that load is back there. As it has gotten more miles on it the MPG has improved. I know this is hard to believe but at 40MPH I've gotten over 30 MPG. At interstate speeds of 70-75 MPG it averages over 21 MPG. Pulling my 17,000lb 5th Wheel trailer I get 11.5. One of the problems for GM is that they build such a good truck that I can’t even consider a new purchase. This truck is all I need and the new enhancements don’t add much to what I already have. I have had one mechanical issue. A bad injector came up on my “check engine” light. I didn’t notice any difference in performance. Took it to my dealer and the 5 year drive train warranty paid for the repairs.
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Reliable Workhorse
Robc, 01/10/2018
updated 01/23/2019
2016 GMC Sierra 3500HD SLE 4dr Crew Cab 4WD SB (6.0L 8cyl 6A)
5 of 6 people found this review helpful
The ride is harsh empty (but not like a F450 F550). The suspension is great with a load. The gas engine tows well - I pull horses, boats and campers. The fuel economy is 13-14 empty (highway) and 6-8 towing any trailer (2000-8000 lbs) Update - after 38000 miles including over 15,000 towing heavy trailers I give this truck a great rating. It loves its fuel - but it is a reliable workhorse. Never a complaint and a flawless service record! Not a single issue. Now at 50,000 miles and nothing other than normal maintenance. Great vehicle!
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Great truck.
Mr. X, 11/09/2021
2018 GMC Sierra 3500HD SLT 4dr Crew Cab 4WD LB DRW (6.0L 8cyl 6A)
2 of 2 people found this review helpful
Like a rock.
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Avoid Purchase
charmella daniels, 07/11/2022
2018 GMC Sierra 3500HD SLT 4dr Crew Cab 4WD LB (6.0L 8cyl 6A)
2 of 2 people found this review helpful
I have owned my Sierra Denali for 2+ years and it has since been to the shop over 4 times, received a brand new engine, and is currently waiting on parts and labor which will cost an additional $1100. This vehicle is said to be the top of the line but has cost me more head ache and financial ruins than what it was worth. Please purchase another vehicle!
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Surprised
Matt, 02/19/2020
2019 GMC Sierra 3500HD SLT 4dr Crew Cab SB (6.0L 8cyl 6A)
2 of 2 people found this review helpful
Put about 1000 miles on mine, and so far, the whole family is impressed. Mileage has been great and I am shocked at how quiet the cabin is. So far, I must say, I’m a bit spoiled now.
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Should have kept my ford
Z Costello, 06/14/2016
2016 GMC Sierra 3500HD Denali 4dr Crew Cab LB DRW (6.0L 8cyl 6A)
4 of 10 people found this review helpful
Bought this truck brand new. Needed a dually for towing. Thought I couldn't go wrong with a new Denali diesel. Was I wrong. Digital steering assist whines in the steering column when at idle. Ridiculous for a $70k truck. I also have cabin noise issues. I can hear the ticking of exhaust coming from dash area on driver side. Not well insulated for outside noises. And just last week noticed I have about 2 inches of play in the steering wheel. Hard to control at highway speeds. Gm has been terrible to deal with. They say everything is normal for this truck. Completely unexceptable. Traded my Ford F-350 for this.....big mistake. I am pursuing lemon law on this truck. Has been in dealer 3 times for same issue. Going in again to see if they can fix. Gm doesn't have a fix therefore it's normal. That's not gonna fly. *Just to update. Took my truck in again for issues listed above. As expected GM has no fix for problems. They agreed the digital assisted steering is noisy but they don't know how to fix so they chalked it up to a normal characteristic of the truck. Really bad service. I'll be going back to a Ford soon. Never had an issue with my F350's.
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The Truck I Have Always Deserved
Pablito, 09/15/2021
updated 03/22/2022
2019 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD LB DRW (6.0L 8cyl 6A)
1 of 1 people found this review helpful
Massive truck use the 6 or so cameras to navigate in tight places. Also integrates with “Invisible Trailer” so you can see Road behind you. Also texted me a warning when a tire was going flat…very cool
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2016 gmc sierra denali 3500
Vlad park, 02/07/2016
updated 02/10/2017
2016 GMC Sierra 3500HD Denali 4dr Crew Cab LB (6.0L 8cyl 6A)
4 of 12 people found this review helpful
Tranny kicks after coming to a complete stop,dealer says its gas slushing in tank. B.S Towing a load you get a bad viration that you feel on gas petal .not confortable driving over 60 mph to much vibration. To much electronics freezes radio once in while. When you have weight in bed approx 1000lb lifts front end it make your front end rattle.dealer said that was normal...every problem is normal.
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Lemon - GM unable to fix brakes
Robert Little, 10/05/2019
2016 GMC Sierra 3500HD 4dr Crew Cab LB (6.0L 8cyl 6A)
0 of 2 people found this review helpful
Truck has 77k miles and The rotors & Pads have been replaced 6 times, 2 sets of calipers and the front brakes still intermittently drag. Two different dealers and GM techs unable to diagnose to cause. I'm currently waiting to see what GM will give in a buy-back.
DEF Is DEATH
Michael B, 05/28/2021
2019 GMC Sierra 3500HD Denali 4dr Crew Cab LB (6.0L 8cyl 6A)
0 of 1 people found this review helpful
I bought my 3500HD Denali new 0 miles in 2019 and the DEF system went out around 130k miles, one of the fuel injectors went out around 140k miles and the DEF system went out again around 150k. I know 3 more guys personally and have met a few more guys that had the same issue with the DEF system. I’m very disappointed being that I’m a GM guy. I had to let the truck go back as a repo because I refused to put more money in the truck.
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