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What 38 owners told NHTSA about the 2012 GMC Sierra 3500

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (38)Crash / fire / injury (6)Electrical system (9)Engine (8)Body & structure (6)Airbags (5)Brakes (5)Transmission & drivetrain (5)Steering (3)Electronic Stability Control (esc) (2)Fuel System, Diesel (2)Speed control (2)

1 of 38 complaints match · Airbags · crash/fire/injury only · clear filters

Mar 8, 2013AirbagsCrash

TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT WHILE MAKING A RIGHT TURN, THE DRIVER FRONT AIR BAG ERRONEOUSLY DEPLOYED AND CAUSED THE CONTACT TO CRASH INTO A POLE. THE VEHICLE WAS DESTROYED BUT THERE WERE NO INJURIES. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 6,700. THE VIN WAS UNAVAILABLE.

NHTSA ODI 10502079

Working with the data? Download all 38 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 GMC Sierra 3500 verdict →