hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
54,586 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2012 GMC Sierra drivetrain problems

drivetrain problem

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2012 GMC Sierra Owner Comments

problem #2

Apr 042016


  • 65,722 miles


While driving at normal highway speed, truck shut off except for the lights. Lost powers steering, brakes etc. Once I got the truck pulled over and stopped, attempted to restart. Was unable to do so until the 4th attempt during a 5 minutes time span. Once started, appeared to be running fine except for the mil on the dashboard which was lit.

- Warren, ME, USA

problem #1

Jun 012015


  • 43,449 miles
I purchased a 2012 GMC Sierra denali from stahl motors in monterey, ca in February of 2015. They are not willing to pay for the damages to my truck even though they sold me a completely dangerous vehicle, which I will explain. My truck didn't feel right as I was driving so I decided to take it to a shop to get looked at. There is a long list of things that is wrong with the vehicle, but I will mention just the main ones. The truck was sold to me without the rear brakes hooked up. The brake lines for the rear calipers were capped off by the rear differential. When the mechanic shop discovered that, they also discovered the master cylinder was completely dry, which caused damage to my front brakes. There was no cross member underneath the vehicle from frame to frame. It was torched out, therefor leaving zero support for the frame of the truck as well as the front differential. Which needed to be rebuilt caused from excessive movement left to right. Front differential needed to be rebuilt caused from the damage of no cross member in place. Ball joints were also affected (about to pop out of control arms) due to wrong parts installed in front suspension of vehicle.

- Spokane, WA, USA

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