Used 2008 GMC Sierra 1500 Consumer Reviews
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txcwby, 12/27/2013
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
17 of 17 people found this review helpful
Overall, i would not buy this truck again due to repair costs. At 104,000 miles (notice it's just outside the warranty) engine heads both cracked - with the mileage and the reported issues about oil usage and AFM related issue, it makes more sense to replace with a GM crate engine than to solve part of the problem. Mileage on E85 is 14mpg in 2wd if you are an extremely light footed driver. With 87 octane, the average mpg (light foot) is 18mpg-19mpg in hilly terrain. As a cowboy and rancher, my vehicle is my lifeblood and cost of ownership and reliability is key. This truck just hasn't met the minimum expectations. Cost for new engine at GM dealer - $7,898.77
Lifters at 86k miles
Bill S., 08/04/2015
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 6.5 ft. SB (5.3L 8cyl 4A)
18 of 19 people found this review helpful
I have had numerous issues with this vehicle from speakers going out (new speakers and radio $600), pressure switch going bad twice ($789 each time), side molding falling off 6-8 times under warranty and now falling off out of warranty (have not fixed), door latches breaking driver and tailgate ($200 for each), catalytic converters needing replaced at 65,000 miles ($1500), and now I have collapsed lifters costing me thousands of dollars. The truck looks good other than it now needs major engine repair. Full synthetic oil changes every 3000-4000 miles, light hauling never beyond capacity, all maintenance kept up and serviced regularly never raced or beat on and I am the original owner. I am very disappointed in this vehicle and will never purchase another GM product again. I should not have issues like this until 200,000 miles or more are showing on that odometer with correct maintenance. I have put way too much money and time into this vehicle, cost of ownership outweighs the worth of this vehicle.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
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Collapsed Lifter 5.3L AFM
ricosha3, 10/16/2013
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
24 of 26 people found this review helpful
There appears to be a problem with the lifters in these 5.3L AFM engines that GM won't admit. At 87K miles and 5.5 years old GM garage says lifter is collapsed & wants to replace all 16 @ $3400 & @ my expense. There are lots of posts from drivers with this problem but GM won't admit and GM Customer Service is only lip service... "out of warranty sucks to be you". GM & the dealers don't care... take my advice and buy a Ford. I'm stuck with this piece of crap cause I just paid it off and can't afford to buy another $40,000 mistake. BTW: this AFM engine is the same as in current models... beware!
Fit and finish
mesalaxdad, 12/30/2010
2008 GMC Sierra 1500 Denali 4dr Crew Cab 5.8 ft. SB (6.2L 8cyl 6A)
8 of 8 people found this review helpful
So I've had the truck less than a year. It has only 18k on it. I've had to replace two door lock switches. I've also replaced a leaky oil pan gasket. It's been in the dealership 3 times. When I wash it the door moldings leak for hours.
GMC Sierra Denali AWD
Brent, 06/11/2008
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
13 of 15 people found this review helpful
Very impressed with this vehicle. Sold my 175K mile Sierra and due to its excellent performance, I'm sold on GMC. The Denali drives and handles great. 18mpg hwy and 16.4 in town. Not bad for a 6.2 ltr V8. My previous 4.8 ltr V8 only beat that by 1mpg! My vehicle came loaded w/options and couldn't pass it up for $38.5K. With gas prices I think they are really having to come down on these things. Very quiet ride on the highway and around town. It does need more storage compartments/center console organizer. I would rather the center console open from the side rather than front. It's somewhat awkward and has a rather flimsy spring hinge.
Amazing work truck with 4.3
dale, 05/01/2016
2008 GMC Sierra 1500 Work Truck 2dr Regular Cab 8 ft. LB (4.3L 6cyl 4A)
5 of 5 people found this review helpful
What a kick A## truck!! I used this truck for a whole week straight, major city driving, and merging at least 100 times on the free way. The truck is a (made in late 07) stripped down model, no ac, no power anything, no cd. 4 Guages on the dash, absolutely basic. Has the 4.3 Vortec and I am absolutely amazed with the power and handling of this base model! I mean it really gets out of its way! Merging and passing is no fuss at all, rarely goes over 3k rpm. Mileage is at 247k. Original 4L60E tranny, never rebuilt. Takes about 5 seconds to go into drive, although no slipping. Braking power is impressive. I highly recommend the 4.3. No fuel management BS no electronic junk, just an old style 4.3 (same hp as my 93 s10 lol). If your hauling an 8k lb trailer, look other ways. Towing 4-5k? NO problem!
- Technology
- Performance
- Interior
- Comfort
2008 GMC 1500
medic979 , 12/25/2008
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 5.8 ft. SB (5.3L 8cyl 4A)
5 of 5 people found this review helpful
Nice truck. However, the transmission shifts hard and catches when leaving from complete stop. Dealer says they have had other customers with same problem and no fix for it, so very disappointed. Was in shop at 2000 miles with this problem and still does it. I looked at Fords and Toyota, quality was better. Why did I buy GM? I liked my selling dealer. I'm stuck with this truck that has a catch when leaving from a complete stop. Think twice before purchasing. I do enjoy the truck and if they find a fix for it I'll be happy, but they may be bankrupt first. Till they get their act together, go with Toyota.
GMC got it Right!
J. Barton, 09/14/2007
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
5 of 5 people found this review helpful
GMC got it (finally) right with this one. Replaced a 2004 with this vehicle, comparison is like night and day. Fun to drive, good mileage, 18.8mpg in first 500 miles. This one is a winner for GMC. So glad we didn't give up on them and head to the Japnese market. Great interior, fine fit and function and good looks too. I love this truck!
Best One Yet
Best One Yet, 12/31/2007
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 6.5 ft. SB (5.3L 8cyl 4A)
7 of 8 people found this review helpful
After driving GMC trucks since 1974 this new 2008 Sierra is the best one yet. The interior is outstanding with great back support in the bucket seats; easy accesss to everything on the dash; to great controls on the steering whell. This is the first time for GMC to have cruise control on the steering wheel and it is much easier to operate. Performance is outstanding with the 5.3 engine and my gas mileage is good as well. With the 4-6-8 engine I get 24 to 25 mile to the gallon at 55 mph. Amazing! My friends drive Fords and Dodges and their milage is so bad 10-12 mile per gallon. Too bad they didn't buy a GMC. My company truck is a Ford 4x4 and on a good day it gets 12-13. Really sad.
transmission dead after 44k miles
jms20, 05/21/2014
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 4WD 6.5 ft. SB (4.8L 8cyl 4A)
4 of 4 people found this review helpful
I bought this truck new and it has been generally fine. Unfortunately the transmission self-destructed 1 month out of the 5 year warranty. I do mostly city driving and rarely tow. The dealer tried to repair it but apparently it was so bad they gave up and put in a rebuilt one. Very disappointed given I've only driven it 40k miles. The dealer was able to get some of it covered by GMC at least but I felt like they should have covered it all since the problem started before the 5yr end date.
Great truck so far
Jaxman, 07/17/2010
2008 GMC Sierra 1500 SL 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
4 of 4 people found this review helpful
Really enjoy the overall look and comfort of this truck. The only real problem that I have had with the truck is the reoccurring "clunking" from the rear u-joint on the drive shaft. Dealer told me that GM is aware of the problem but has not issued a bulletin to properly correct it. Dealer fills it with grease and corrects the cluck for 30-60 days.
Ain't what she used be
jst0771, 09/22/2011
2008 GMC Sierra 1500 SLE2 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
4 of 4 people found this review helpful
Bought in July of 08, currently have 65K on the truck. the only gripe I really have about is a major one. The powertrain. I'm not a hard driver, mileage has been mostly highway. I've had the forward sprag gear brak in the transmission, a front wheel bearing start to come apart, and now its sitting in the service department for low oil pressure. It also is down 2.5 quarts of oil with 25% life left on the monitor and no low oil level indicator. I've been told by the service department that the engine can burn a quart every 1000 to 2000 miles and be considered normal. I've reviewed several forums on the issue, and there are alot of people with with the same issue, being told the same thing.
AFM Lifter Camshaft Failure at 85K!!
fedcr, 04/18/2016
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
6 of 7 people found this review helpful
I've always loved the way that GMC's vehicles look, feel and drive. We own a 2008 Yukon XL and love it. This 2008 Sierra Crew Cab SLT 4x4 started consuming 1 quart of oil every 2K miles without any leaks, and then the traction control light, service engine light and many others came on at 84K miles (no warranty). Took it to the dealer where I bought it, and the dealer said it is cylinder 5, camshaft and lifters need to be replaced, and it would be better for me to spend $7500 on a new engine. I skipped the dealer and called GM who agreed to cover everything above $3500. I asked the dealer if the problem with the AFM has been fixed and the dealer said they are not aware of a problem. Ridiculous. So I have a brand new engine but have no confidence in how long it will last. I'm hoping to get rid of this and buy anything other than a GM product.
Venerable.
Patrick, 02/14/2018
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
5 of 6 people found this review helpful
Mine is a Denali AWD I've had 10 years. I bought this vehicle expecting it to have to perform from a range of luxury car to 4x4 off road vehicle. I have owned and operated all brands of trucks, including Cadillac EXT. By comparison, the EXT was the most luxurious and best road truck and hauler I've ever had and also performed well above average, but nevertheless--overall--the Sierra Denali beats it on all fronts except ride, horsepower and towing (but the EXT has the largest power plant in the class and that is why). This truck has met expectations well above average. I would highly recommend average forward looking maintenance on the vehicle, though, (like making repairs when an item is showing end of life wear) as that makes a big difference. I have almost 190,000 miles on this truck over all terrains, including farm roads, rock bluffs and trails, and it hasn't fallen apart at all, not even a loose bolt or rattle. Criticisms: The alloy rims tend to degrade over time and, thus, lose air. You'll be airing your tires up if you don't repair or replace rims when they show signs of corrosion, at about 7 years for me. Gas mileage plummets at high mileage, but not remarkably for a truck. I have gone from an average of 16 m.p.h. to 12-14. The engine has needed gasket and seal repairs for oil leaks, particularly around the pan and main bearing. I consider it routine as I did it at 100,000 miles and will again soon. Wheel wells on the rear started to rust out after about 6 years, so I've replaced them. The only other repair beyond replacing head lamps, which you can do yourself, is the cruise control went out. That's it. Pretty darn good for hard driving if you ask me. It still looks like new inside and out. Luck? Don't know, but it does, and it isn't just the repairs I did. It has held its own, particularly inside. Great truck. I'll drive it at least another 20X and then see where we're at.
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
worst truck i have ever owned.
trucksucks1, 03/14/2014
2008 GMC Sierra 1500 SL 4dr Extended Cab 6.5 ft. SB (4.8L 8cyl 4A)
5 of 6 people found this review helpful
Truck has 34000 miles on it. Main turn signal switch went out, Door lock switch out, Airbag sensor out, Master window switch out ($400) for a switch! Truck now will not engage the starter, so it's in the shop again. Do not buy any GMC or Chevy truck! Going back to Dodge.
not what i exspected fora new truck
jeff hall, 02/09/2010
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 6.5 ft. SB (4.8L 8cyl 4A)
5 of 6 people found this review helpful
Tail lights were replaced after filling with condensation, blinkers get a mind of there own, "when I turn the blinker on the light flashes on dash but no clicking sound from the relay no the blinker even works on the outside. Last night partially the lights on the dash "half" of them when off and on twice and came back on. As I was driving in a snow storm I noticed something flashing from the front of the truck. Haven't found what it might be because when it stopped the truck and did a walk around it to see if all the lights were working they were and got back into the truck and when I got home turning into my drive there was the flash again. If its happening when I take it in then what?
GM's Best Kept Secret
Miss D, 10/23/2007
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
3 of 3 people found this review helpful
I can't wipe the smile off my face! This is the nicest truck on the road. The engine is very strong and the shifts are smooth as silk. Kids love the visibility out the side windows in the rear seat. I added the GM tonneau cover and carpet to the bed, which makes it great for hauling the stuff we haul.....groceries, stroller and hockey bags! The touch screen navigation/stereo is very user friendly and the stereo sounds great.
08 Sierra 1500
blurry25, 04/19/2008
2008 GMC Sierra 1500 SLE1 4dr Extended Cab 4WD 6.5 ft. SB (4.8L 8cyl 4A)
3 of 3 people found this review helpful
Coming from a Honda Civic the Sierra 1500 feels like a monster. What a dream to drive. I actually enjoy driving to work now. One of the first things I noticed was how quiet the ride is. With the windows up road noise is virtually none existent. I've been getting around 16.6mpg with all around driving. I suspect that will go up as the motor breaks in, but hey if you're looking for fuel economy buy a prius and just hope that someone in a 1500 doesn't hit you. I highly recommend getting the remote start option. I always start the truck a few minutes before I leave and it either turns on the heater or AC depending on the inside temp of the truck. Nothing like hoping into the perfect climate.
me again
jeffhall, 04/19/2012
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 4WD 6.5 ft. SB (4.8L 8cyl 4A)
4 of 5 people found this review helpful
well 2008 gmc half ton 4x4 seirra. "heck i really dont know where to begin . it seems this truck looks good but i have had uncountable troble with it it has now 46914 miles and last night it was on the record being towed to the dealership becouse the locking diff engage coming out of my garssy back yard with a slight incline. and try alot of things to disingage the locking diff and i just didnt get it to disengage. anyways ..heres what ive had problems withother than what i just mentioned . flashes from under truck while driving, blinkers , tail lights fogging up, battery leaking all over the underhood side, gadges doing weird stuff, light display correctly, "ran out of space to keep typing.
First GMC Sierra 1500
Sierra2008, 09/29/2010
2008 GMC Sierra 1500 SLE1 4dr Crew Cab 4WD 5.8 ft. SB (4.8L 8cyl 4A)
7 of 11 people found this review helpful
This Truck has been nothing but problems. Starts out with, 6 door locks being replaced, A new radio, rattles, dir seat broke, steering wheel Bearing went bad. Now no warranty left, Have HVAC issues, it does not start up on the first try dealer told me its the fuel pump, which will cost 1000 bucks. I cannot believe GM would even put-out this truck and call it professional grade. What a POS. The transmission shifts terribly, the driveline is noisy with clunks and the engine has oil consumption issues. IF YOU HAVE AN LC9 alum block 5.3L AFM ENGINE OR CREW CAB CHECK THE OIL. You will need new pistons installed and an AFM oil shield after 30,000. I'm going back to a FORD F150
Compare Denali to any other 1/2 ton.
bob, 12/23/2007
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
2 of 2 people found this review helpful
I went into the truck market expecting to buy a Tundra because I have had such good luck with Toyotas.To say that I was pleasantly surprised with the Sierra is an understatement. I priced a loaded SLT with the 6 liter engine and the Denali was about the same price. It was an easy decision to buy the Denali because of the extas like the 6.2 liter motor and six speed tranny to mention a few. This truck will run with the Tundra, rides better, handles better and has a more refined interior. My wife prefers the Denali over her Acura RL, which she loves. My freinds can not believe the power with the engine and tranny combination. Do yourself a favor and test drive a Denali when looking for a new truck!
Best of the Breed
sknabt, 01/05/2008
2008 GMC Sierra 1500 SLT 4dr Extended Cab 4WD 6.5 ft. SB (5.3L 8cyl 4A)
2 of 2 people found this review helpful
I decided to replace my SUV with a full-size truck. Choice came down to an '08 Sierra SLT vs. an '07 Tundra Limited ('08 Tundra priced way out of my budget) because I've always bought Japanese. Tundra has nice powertrain but falls short in every other category, especially it's bloated price. GMC SLT's greatest selling point is its luxury grade interior. Tundra is very weak here. GMC's shift at any speed automatic 4x4 is far better than Tundra's crude hi/lo 4x4. GMC has better crash test scores than the Tundra. This is the 1st full-size truck I've ever owned but driving it is actually a joy. Parking is a learning experience but the parking assist makes it doable even for a newbie like myself.
News of GM's dimise greatly exhaggerated
The Needle, 12/01/2007
2008 GMC Sierra 1500 SLE2 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
2 of 2 people found this review helpful
A family member bought the Tundra in Oct.'07-Toyota is making a big deal out of their 5.7L engine etc...the Tundra is a nice truck--but I decided to go with the Sierra for several reasons: Better road manners--especially on the freeway--very tight steering. Much more luxurious, refined and thought-ought interior. Everything inside is beautiful and solid--not an easy feat to accomplish. Classic looks--yet modern. GM really hit a home run with this design. I get more looks and questions than when I had a Porche. Perfect size Crew-cab. This is the biggest downer with Tundra--you either get the smaller ex-cab or the huge double--bigger than Dodge's. Bad combo. GM hands down!
Amazing truck
boostedz06, 11/17/2011
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 6.5 ft. SB (5.3L 8cyl 4A)
4 of 6 people found this review helpful
I had been searching for a truck for a while and finally settled on this one. Picked up a used 2008 with 32000 miles and ive had it for over a month and absolutely love it. It rides sooooo smooth like a caddy and gas mileage is pretty good. Highway at 65mph is 23mpg. Toyota can't touch that. I have the 5.3. Haven't had it long enough to say how the reliability is, but i know from experience these 'Chevys' are so tough. I have the HD tow package and rear locking diff and it pulls my 20' Cobia like its not even back there... Interior is nice and tight. No rattles, no quirkiness. No engine rattle or cam bump. Sounds As if the motor is not even running. Truck is just pure quality!
Great Truck
Drewgold, 08/18/2008
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
2 of 3 people found this review helpful
I've only had this truck for a month and all I want to do is drive it. It rides and drives much better than my 05 did. (though I was happy with that truck as well) The controls are well laid out and easy to reach. There is planty of interrior storage. As for all you cry babies about gas mileage, what do you expect from a 5000lb truck with a 315hp V8? I am pretty much getting what the sticker claims. (14/19) If you are that concerned about gas mileage I recomend the Malibu. If you want a great truck then buy a Sierra.
DENALI
GAGZ, 04/30/2008
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
1 of 1 people found this review helpful
I just bought this truck, it now has about 6,000m on it. I LOVE it. Lots of power, tows great, very comfortable. Fuel economy stinks but what do you expect with a 6.2L V8? I love the lines of the body and the interior has plenty of buttons! I really don't have any complaints, although for the money i should get a backup camera... Oh ya, and it's all time 4-wheel drive, i don't like that at all! NO burnouts!
Glad to be Back
Mike, 01/02/2008
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
1 of 1 people found this review helpful
I traded in my 02 Dodge about 1500 miles ago and I could not be happier. The truck performs great and will haul the snowmobile trailer much better than the Ram did. I am averaging roughly 15mpg which is 3mpg better than the Dodge.
Lifters lift 2 grand out of my wallet every yr!
A. Russell, 02/20/2016
2008 GMC Sierra 1500 Work Truck 2dr Regular Cab 6.5 ft. SB (4.3L 6cyl 4A)
1 of 1 people found this review helpful
I have a 2007 Envoy That I really love, I bought it to see if GMC would be right for us when I buy my brand new truck after graduation. Did I mention, I LOVE my Envoy? Love everything about it, except for the LIFTERS!!!! Every year we have a few replaced. Tisk, Tisk on you GM, you need to figure this problem out. It is too expensive to ignore. WILL NEVER BUY ANOTHER GMC, BUICK, CADILLAC, or CHEVY, until GM comes clean. GM knows that this problem exists and yet cannot seem to fix it, or admit they know something is wrong with their fuel management system. Thanks for an undependable SUV that breaks down every year because GM's fuel management system is faulty, shoody, and SUPER EXPENSIVE to repair! No, never again GMC. Love my ENVOY, so mad because Yukon has been my dream truck since I was a teenager. You can keep your "fancy" looking vehicles and your literally EXPLOSIVE Hcell cars, your defective gas tanks that kill people, I do not trust you GM. I am breaking up with you, and I never want you back. You are nothing but a disappointment, a mirage of what seems to be like the perfect vehicle until you realize you were just dreaming and this mirage you bought into will cost your family two to four thousand dollars once or twice each year. Perfection is impossible, but still, you are completely the opposite and not even close. Lies + perfection=deciet. #ENDRANT
- Safety
- Technology
- Performance
- Interior
- Comfort
- Reliability
- Value
GMC Lemon
First & Last GMC, 04/01/2008
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 5.8 ft. SB (5.3L 8cyl 4A)
1 of 1 people found this review helpful
First & last GMC truck(2008 SLE 4- Wheel Drive, 5.3 engine). I just traded this truck with 1900 miles on it. The truck had vibrations in the front and passenger door. 3 trips and 14 days in the dealership did not solve the problem. My personal mechanic said the problem was in the powertrain. I gave up and took a loss. I told this story to General Motors and have not even had a reply! Fool Me Once!
Almost Perfect!
Sheepless, 02/09/2008
2008 GMC Sierra 1500 SLE1 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
1 of 1 people found this review helpful
Before purchasing this vehicle I researched everything about it to the inth degree. I ended up trying to decide b/t the 08 Tundra and the 08 Sierra. I test drove the Tundra and liked it, immediatly following I went and test drove the Sierra and fell in love. MPG is as advertised. I can feel the v8 switch to 4cyl but no one else in the veh can, not a bid geal. My 2 dislikes: the brakes and transmission. Simply put, replace the rear drums with the Tundra's disc brakes and replace the 4 speed tranny with a 5 or 6 speed and you have the perfect truck! The 5.3 (w the 4 speed) feels less beefy than you would expect. All in all, I am extremely pleased. I am now a GM man for life.
What a difference!
Sierra, 07/12/2009
2008 GMC Sierra 1500 SLE1 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
1 of 1 people found this review helpful
Immediately drove 2 WD truck (17" tires) to central OH from central FL - 20.2 mpg @ cruise set mostly 75 mph. Returned to FL w/bass boat in tow 15-17 mpg. Ride is super w/effortless handling. Plenty of power with 5.3 engine. I wanted a truck with car type ride. That's why I got 2 WD with 17" rims.
2008 4.3ltr Sierra W/T
lvl477, 08/05/2008
2008 GMC Sierra 1500 Work Truck 2dr Regular Cab 8 ft. LB (4.3L 6cyl 4A)
1 of 1 people found this review helpful
This is my first new truck. I traded up from an '03 Malibu. I gotta say, if that car handled like this truck does I'd still have it! It's like floating over country roads compaired to riding in a friends '08 Ram. But, you still get a solid amount of "feedback" (Enough to keep you interested in driving.) It's solidly manufactured, and gorgeous on the inside! My only complaints are 1) $800 extra if you get the DIC included? 2) Still no cabin air filter... maybe by 2010 and 3) Itty bitty headlamp bulbs...don't get me started on the factory Fog-lamps
Bad Transmission
junkgmcsierra, 03/02/2014
2008 GMC Sierra 1500 Work Truck 2dr Regular Cab 8 ft. LB (4.3L 6cyl 4A)
1 of 1 people found this review helpful
GMC will not stand behind there Trucks. My 2013 Sierra has ahard banging type clunk noise when shifting to 3rd gear sometime it feels like the powertrain is going to break. After several attemts to have it resolved including a test drive from a GM rep i have been told this is normal condition. GM bulletin # 01-07-30-042G. This truck has less than 9k miles on it.
GMC all the way !
xmillsx, 12/05/2009
2008 GMC Sierra 1500 SLT 4dr Extended Cab 4WD 6.5 ft. SB (5.3L 8cyl 4A)
1 of 1 people found this review helpful
I traded my 2001 GMC 1/2 ton 2WD with 195K miles (it still was strong as heck)for this truck and love it. I have always had good luck and good service from GM trucks. I bought this one with only 25K miles on it. The 8cyl to 4cyl fuel management was a little awkward at first but it is systematic now. On the open interstate at 75mph I have averaged 18mpg+. I was surprised. I have towed a 27ft camper with it with ease. The seating is comfortable even on long drives. Two thumbs up !
Great GMC
frtlinr, 11/17/2008
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
1 of 1 people found this review helpful
I sold a 95 3/4 ton and bought this 1500 series Sierra. I was somewhat concerned about this 1/2 ton pulling my 16ft trailer and, compact farm tractor. Wow, I am so very pleased with the way the Sierra handles this task. This truck has been impressive in every way.
So Far So Good?!
nickdapit, 02/28/2009
2008 GMC Sierra 1500 SLE1 4dr Extended Cab 5.8 ft. SB (4.8L 8cyl 4A)
1 of 1 people found this review helpful
I moved up from a 96 Chevy S10 to a 2008 Sierra, and like the title says so far so good?! I am impressed with the ride and overall appeal of the truck. I had a spray-on bedliner installed and the truck has no problem getting any big job done.
Cracked Dash and AFM Lifters
chuckaggie, 01/01/2014
2008 GMC Sierra 1500 SLE2 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
1 of 2 people found this review helpful
Just after the power train warranty expires my AFM lifter sticks. $3000 shop bill later and some internet research I know to watch my oil level like a hawk and never purchase another GM. Also the Massive cracks in my dash remind me of 80's GM. Its nice to see them bringing back the materials from their 80's cars. Don't buy one of these trucks. Buy new and dump them when out of warranty.
GMC should change there initials...
jojo123, 09/28/2009
2008 GMC Sierra 1500 SL 4dr Extended Cab 6.5 ft. SB (4.8L 8cyl 4A)
1 of 2 people found this review helpful
To JUNK!!!! Too many problems with check engine light coming on constantly. For some reason, the gas cap constantly comes loose. GM should provide better stock tires. Had a flat from a piece of limestone gravel. Dealer told me I should drive on better roads! (It's a truck, isn't it?) Should have stayed with Ford. Big mistake to buy this truck. Dealer isn't interested in helping very often. It takes multiple visits to fix one problem. Maybe if the service manager got off his lazy [violative content deleted] of his chair, it could be fixed. Last GM product EVER!
Great Truck
keith, 03/03/2010
2008 GMC Sierra 1500 SLE2 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 4A)
1 of 3 people found this review helpful
I have over 33K on my truck and use it for city and long distance driving. The truck rides and drives beautifully. I have a bad back and I drove an '08 Ford F150, Toyota Tundra, and Chevy (has less comfortable seats, go figure). The GMC out drove them all. I've used it to haul everything and it does it without a problem. I have the 5.3L engine and get 16 in the city and 18 - 20 on the highway driving 8 - 9 mph over the speed limit. Problems I've had with the truck: 2 of the 4 electric door locks went bad within 18 months. Dealership replaced them all to ensure no other issues. I've had great service at two dealerships I use. I'd buy another!
Needs Help
ted, 09/06/2008
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
1 of 5 people found this review helpful
No way this truck has 403hp. Had two different 06 Titan trucks that would leave this thing in the dust. Also, the Titans would out tow the Denali. The Bose radio system is whimmpy compared to other trucks and cars I have owned. Handling is so-so. No standard step rails or sprayed in bed liner. Come on GMC this is your top of the line? Get real. I guess this will be the last GMC I will buy.
Best truck on the market...Period
hound, 09/02/2008
2008 GMC Sierra 1500 SLT 4dr Extended Cab 8 ft. LB (5.3L 8cyl 4A)
0 of 0 people found this review helpful
Gas mleage is remarkable for a large truck with the 5.3 l engine. I typically average 18.9 combined driving and 20.2 on long interstate trips and have measured it numerous times. I test drove all the trucks on the market and this is hands down he best on the market. The quietness, comfort, handling, audio system is just simply the best on the market.
Still not sold on vehicle
north star, 03/29/2009
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 4WD 6.5 ft. SB (5.3L 8cyl 4A)
0 of 0 people found this review helpful
Bought pickup through GM Employee Pricing sale and got very good deal. Not quite sure about pickup, as you can feel the 4 and 8 cylinder activating and de-activating. I have experienced the tranny jerk from a complete stop as well. After changing oil I can smell oil in the cabin for at least the first 1,500 miles before going away, cannot find any leaks anywhere.
If you've got to haul, this is it...
Joey B, 07/12/2008
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 4WD 8 ft. LB (4.8L 8cyl 4A)
0 of 0 people found this review helpful
This is an extremely capable truck. Comfortable, tracks nicely and does what it is supposed to. Work. Wish the fuel economy was better but this is a work truck.
Near Perfect
OD, 01/07/2008
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
0 of 0 people found this review helpful
The absolute best truck on the market! Had my Sierra w/ All Terrain package for three weeks and at just under 3k miles, I couldn't be happier. Rides like a luxury car on the highway and an off-roader when needed. All Terrain package runs just under Denali as far as price but maintains more of the off- roader feel. Z71 package w/ 20" chrome wheels, 5.3 liter V8, 2-tone leather seating, & much more. I am getting 20 to 21 mpg on hwy & 17 city! Not bad for a larger V8 that really isn't meant for fuel effiency. Overall, best truck on the market after extensive checking and I couldn't be happier. If you are looking for a real deal with a great feel do not stop short of at least drinving one!
So Far So Good
kitch, 01/09/2008
2008 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
0 of 0 people found this review helpful
Just over 1 week of ownership and I can say I am very pleased with the vehicle. Traded in my Titan LE for this. Interior fit, finish and textures is by far the best I've seen on any truck. Flip up seats in the rear are nice and a necessity (Tundra I test drove didn't have that). Bose stereo is good and Nav seems easy to operate. Not quite as fun to drive as my Titan was, but still decent. Nice rumble from the stock exhaust. 6 speed tranny is smoooooth. Nice and quiet at 60mph. The AWD is a nice feature to have.
Love This Truck
Dwight, 10/02/2008
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 8 ft. LB (4.8L 8cyl 4A)
0 of 0 people found this review helpful
This truck replaced a V6 GMC I had for 17yrs. The power of the V8 is wonderful for a 4.8L and half the price of the 5.3L The truck handles great. It sits higher than my old truck so is a little harder to get into (I'm 6ft) so I installed nerf bars. Everything about the truck is high quality. Lots of cab storage, cup holders. The stereo is quite good for factory installed.
Capable and solid
LYNDONGOLDEN, 01/04/2008
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 6.5 ft. SB (4.8L 8cyl 4A)
0 of 0 people found this review helpful
I wanted a stylish "basic" regular cab truck. I looked for a comparably equipped Tundra but there were few choices out there...with only leftover '07 models, almost all of them long-bed and white! And none of the base model Toyotas had factory XM radio. So I purchased the Work Truck package Sierra... and I'm very pleased. The dash design, controls, seats, driving position, and interior storage all work very well for my tastes. The cargo management system is very usefeul as well. And the 4.8 V8 has a satisfying exhaust rumble. I drive alot in the bumpy inner-city Houston streets, and this truck hamdles it well. This was a good choice, and I beleive it will serve me well.
My fifth GMC
Mick, 06/23/2008
2008 GMC Sierra 1500 SLE2 4dr Extended Cab 5.8 ft. SB (5.3L 8cyl 4A)
0 of 0 people found this review helpful
This truck drives great! I have an 03 Yukon that gets about the same mileage without cutting 4 cylinders off so that doesn't seem to be worth much. It has developed a squeak in the front end the past few days like a dry ball joint but the dealership isn't open on the weekend so I will get it there Monday, pretty annoying for a truck with 3000 miles. I have always loved GMC'S so I love this one too, it looks great and other than the squeak has been great. There is a lot of air noise from the doors that is annoying with the radio off. There are plenty of power ports for devices in the front and back and even one in the console!
'08 SLT Crew Z 71 pack
L. Morris, 07/12/2008
2008 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 4A)
0 of 0 people found this review helpful
Last truck was a '96 Z71 ext cab Chevy. This truck is awesome! I love 99% of it! I chose this, over the somewhat cheaper Silverado, due to the way the dealer treated me and the price they quoted me. No one else could come close to my deal.
Better Than the Rest
Bob, 10/13/2008
2008 GMC Sierra 1500 SLE1 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
0 of 0 people found this review helpful
Have not had a truck in a while and I love this one. Great deal, excellent fit & finish and actually drives & rides better than a Volvo sedan I traded.