Overview & Reviews

Coming off a redesign last year, the 2008 GMC Sierra 1500 has only minor changes this year. Satellite radio is now standard equipment and an integrated trailer brake controller is optional. GMC says it will also be offering 22-inch wheels (as a dealer accessory) and a flashier version of the Z71 Off-Road package called the Sierra All Terrain.

• Refined and very quiet ride, pleasing fit and finish inside, seats are comfortable for long drives, comprehensive list of safety equipment.

• Larger turning circle than most rivals, mediocre interior storage and cupholders.

User Reviews:

Showing 51 through 60 of 91.00

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  Glad to be Back - 2008 GMC Sierra 1500
  By Mike - July 16 - 8:30 am

  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.

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  1st time truck owner - 2008 GMC Sierra 1500
  By t.gooch - May 7 - 2:06 am

  Ive always been a General Motors man since I can remember being allowed to drive the neighborhood mechanics 65 Fleetwood Brougham deElegance. Man that was sweet. Owned nothing but Cadi since 77. Been wanting a truck for the last 10 yrs. Researched Ford, Toyota, Nissan, Chevy, and GMC, of course GMC won me over. I love this truck. Just in hindsight, wish Id gotten the catback system with duals, chrome grille, the tonneau cover and 20s". Owned since Valentines day, 7,000 miles later, several trips to Memphis, one to Tupelo, I cant even complain about the gas mileage (great for a truck), flex fuel management is great. Thanks GMC you hit this one out of the park.

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  Tuff truck - 2008 GMC Sierra 1500
  By tatertot - May 3 - 11:53 am

  This truck is great, the wide stance make you feel safe. The handling is great, there is hardly any roal in the suspension when cornering. Believe it or not I jumped my new truck 1 week after I got it. But not purposly. When I did so the landing hurt but the truck was fine. The balance was tweeked but I checked it out and nothing was broke or bent. It drives the same as before.

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  My first Pickup - 2008 GMC Sierra 1500
  By Bill - April 5 - 3:16 am

  Been driving 47 yrs and always wanted a pickup. Am I glad I got the GMC Sierra! Very good gas mileage with the 5.3 L 4/8cyl. Ave ~17-18 local and 21-23 highway. No significant complaints. Great comfort and handing.

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  2008 GMC 1500 - 2008 GMC Sierra 1500
  By medic979 - April 4 - 7:20 pm

  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. Im 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 Ill be happy, but they may be bankrupt first. Till they get their act together, go with Toyota.

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  transmission dead after 44k miles - 2008 GMC Sierra 1500
  By jms20 - March 31 - 1:38 pm

  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 Ive 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.

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  Better Than the Rest - 2008 GMC Sierra 1500
  By Bob - March 12 - 9:50 am

  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.

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  Very Nice Truck - 2008 GMC Sierra 1500
  By Pittsburgh-Mike - January 15 - 8:03 pm

  Very nice truck, great build quality. Unlike an ealier review that states the stereo is great, in my opinion the Bose system is a huge disapointment. The Factoy Nav system is great, but the speakers and center dash speaker is terrible. Why GM would even waist the money advertising it is a Bose system is beyond me. For a $45K truck, I would expect a better sounding stereo system. Gas milage is adverage, but you dont buy this truck for fuel milage. Ineterior quality is very nice. Wish GN had a 6 bed option with this truck, 58" bed is a lottle small. Looked at the new Toyota and F150 and I an glad I bought the Denali!

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  Best truck ever! - 2008 GMC Sierra 1500
  By Puggy - December 6 - 2:46 pm

  With only 5 weeks and 1,200 miles of ownership my new 2008 GMC Sierra Denali has so far been flawless. I have owned Ford, Chevy and Dodge and this is by far the best of the bunch. Fit and finish is exceptional (for a truck or car), for a truck it has a smooth ride, great power and exhaust note, seamless 6 speed automatic transmission and great interior and exterior styling. It is like driving a full sized luxury SUV with a pick-up truck bed in the back. I couldn’t give 14-16 mpg a 10, but that’s not bad for having 403 hp on tap.

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  First GMC Sierra 1500 - 2008 GMC Sierra 1500
  By Sierra2008 - August 5 - 10:00 am

  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 it’s 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. Im going back to a FORD F150