Used 2012 GMC Sierra 1500 Crew Cab Consumer Reviews
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2012 Sierra Denali
mpacker02, 05/01/2012
2012 GMC Sierra 1500 Denali 4dr Crew Cab AWD 5.8 ft. SB (6.2L 8cyl 6A)
25 of 27 people found this review helpful
I just traded in my 2005 Silverado 1500 SS for the 2012 Sierra Denali. The Denali rides much better and is more luxurious. Performance is about the same, the SS accelerating a little harder, but I attribute that to a 4.11 rear end in the SS. The Denali on the other hand is getting better gas mileage than the SS. GMC did a great job on fit and finish, Ive gone over it with a fine toothed comb looking for flaws and can find none. NAV and Stereo are easy to use, with great sound from the speakers. So far no complaints!
Amazing TRUCK!!!!!!!
bigguybob13, 07/24/2012
2012 GMC Sierra 1500 SLE 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
17 of 18 people found this review helpful
This truck is the best choice I ever made, its my first truck ive ever bought, my brother and parents are having great luck with theirs so i thought id give it a shot. Could not have asked for more with this amazing vehical, im 6'4 and the shortes of 4 guys in my family, we all fit great in this truck, great for road trips or just driving around town, gas mileage is great for the size and safety!
A joke
Birddog, 01/06/2016
2012 GMC Sierra 1500 SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A)
15 of 20 people found this review helpful
I have bought 8 new GM trucks over the years and the last 3 have been A Joke....the 2012 GMC Sierra being the biggest joke, truck looks good but here is a list of issues after 65000 miles... Transmission shifting issues, down shifting Rear end clunking, slack in gear train Noisey cab, Noisey bed, Noisey breaks 2 set of breaks in 65000 miles???????? Battery replacement after 40000 miles??? Using oil after 50000 miles.... Warranty covers nothing, GM said this is normal of a truck with that many miles 😉 Biggest piece of junk I have ever owned.... And I've owned several F150's so I'm qualified!!!
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2012 Sierra SL Crew Cab
Happy Sierra Owner, 11/05/2019
2012 GMC Sierra 1500 SL 4dr Crew Cab 5.8 ft. SB (4.8L 8cyl 4A)
3 of 3 people found this review helpful
I have had this truck since November of 2012 with 15 miles on the odometer. Currently I have 209,000 miles and some change. I have had to recently change the tire rods, hub and bearings on the front. Talking with my mechanic, he is not surprised with the amount of miles that are on this truck. The engine runs great and I have never had a problem with the engine running full synthetic oil since my ownership. Full Synthetic is a little pricier but I feel it has paid off. The transmission does shift a little hard from time to time when accelerating, but I have never had to repaire. The drivers side bed at the top of the wheel well is starting to bubble with rust, but in all fairness it was replaced after owning the truck for 16 months when a contractor backed into it with his trailer. Other than that no surface rust. I am hoping to get a few more years or another 100,000 miles from this vehicle.
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Best Overall Truck I've Owned
Atuzzo, 09/10/2019
2012 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A)
2 of 2 people found this review helpful
2012 GMC Sierra SLT Crew Cab 4x4 6.2L: Easily one of the best all-around trucks I have ever owned. This truck does everything well with ease. Whether I ask it to push through 2 feet of Michigan snow getting to work or pulling my 8,000 fun mover it never has any issues. Anyone looking for a reliable, hard-working, and downright fast truck, the 6.2L with the 3.73 rear axle (available on the max trailering package) offered in both the Sierra and Silverado is a must. 403hp 417ft/lbs going through the buttery smooth 6-speed from GM rivals most engines put in trucks today. the only downside I have found since owning (101k miles on the clock, 35k in my ownership) is h fuel economy. These particular trucks are rated at 12/18 and get just about that running premium, which can definitely break the bank. Running E85 will save upwards of $.75 a gallon but will drop your highway economy into the low teens. Overall, fantastic truck coming from someone who has owned a 2015 Silverado 5.3L and Avalance 2500 8.1L.
Never again
kti2, 11/22/2014
updated 11/22/2016
2012 GMC Sierra 1500 XFE 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A)
2 of 3 people found this review helpful
Will not buy again. Had the 6 speed manual which kept slamming into 6th gear, apparently its a common problem and its considered "normal" only a year later and the door handles started breaking (100 a piece)w/ install and master power switch failed, and all 4 door moldings fell off. These types of problems I can see if they developed 4-5 years down the road, not in 1 year. Not a 2nd time buyer
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Great truck
Thabigcheese, 04/14/2021
2012 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A)
1 of 1 people found this review helpful
I bought this truck brand new nearly a decade ago. After 90k miles it’s been flawless. I’ve replaced the window switch and that’s essentially it. No other repairs. I did opt to install bilsteins as an upgrade about 10k miles ago, but that was really more of a personal preference, the stock shocks were still fine. One other thing - I disabled AFM via a tune when it was new. Doesn’t burn a drop of oil. Not sure it would have if i left afm enabled, but it wasn’t a chance I wanted to take. It’s really been a fantastic truck. I want to get something new just because it feels like it’s time, but I can’t find enough reasons to part with it. It has held up well in all aspects over the years. Maybe I’ll go with a 2022 Sierra after they refresh the current body style. A 6.2 or 3.0 might be in store then too.
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Solid Truck
Brian H., 01/10/2017
updated 07/14/2020
2012 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A)
1 of 1 people found this review helpful
The 5.3L motor and 6 speed HD transmission combo are surprisingly powerful when trailering. Plenty of power when I've commanded it. Trans can be a bit loose at times. Seems like an issue caused from previous owner's driving behaviors. 4x4 capabilities good. Gas mileage good. 155k miles and zero issues. Meticulously maintained by a Chevy dealership for the 100k miles since I've owned it. Motor sounds pretty mean and acts like it also. Seems like it's going to go the 300K miles + distance. Time will tell.
Six years trouble free ownership
Michael, 10/04/2018
2012 GMC Sierra 1500 SLT 4dr Crew Cab 5.8 ft. SB (5.3L 8cyl 6A)
1 of 1 people found this review helpful
Great all around vehicle, great towing or just using as everyday work vehicle.
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Not Happy
Scott Olsen, 11/06/2018
2012 GMC Sierra 1500 SLT 4dr Crew Cab 4WD 5.8 ft. SB (5.3L 8cyl 6A)
2 of 6 people found this review helpful
Only own this pickup for two weeks and already spent $2500 in repairs
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