2008 GMC Sierra 1500 SLE2 4dr Extended Cab 6.5 ft. SB (5.3L 8cyl 4A)
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.
2008 GMC Sierra 1500 SLE1 2dr Regular Cab 4WD 6.5 ft. SB (4.8L 8cyl 4A)
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.
2008 GMC Sierra 1500 SL 4dr Extended Cab 6.5 ft. SB (4.8L 8cyl 4A)
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.
2008 GMC Sierra 1500 Work Truck 2dr Regular Cab 8 ft. LB (4.3L 6cyl 4A)
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.