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Used 2008 GMC Sierra 1500 Extended Cab Consumer Reviews

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$8,520 - $12,416

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2 out of 5 stars

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)
17 of 18 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.

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3.88 out of 5 stars

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.

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5 out of 5 stars

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.

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2.25 out of 5 stars

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.

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5 out of 5 stars

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.

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