There are 7 owner-reported body & structure complaints for the 2011 GMC Sierrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2011 GMC SIERRA. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED LARGE CRACKS ON THE DASHBOARD. THE CONTACT STATED THAT THE CRACKS WERE EXPOSING PART OF THE AIR BAGS AND HE WAS CONCERNED ABOUT THIS AFFECTING THE AIR BAG FUNCTIONALITY. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 80,000.
SEVERE FRAME CORROSION (ALL SECTIONS OF FRAME). THE UNDERCOATING IS FLAKING OFF IN ALL SECTIONS EXPOSING BARE METAL WHICH IS RAPIDLY CORRODING THROUGHOUT THE FRAME. THE TRUCK IS IN MINT CONDITION INSIDE AND OUT OTHER THAN THIS ISSUE. GM STATED THAT "RUST" IS NOT COVERED UNDER MY ACTIVE WARRANTY. THIS IS A FAULTY COATING APPLICATION OR A FAULTY METAL ISSUE. THIS VEHICLE WILL BE UNSAFE SOON AND IT JUST HIT 12,000 MILES. I PURCHASED THIS "GM CERTIFIED PRE-OWNED" TRUCK TWO WEEKS AGO FROM THE GM DEALERSHIP AND JUST REALIZED THAT MANY, MANY COMPLAINTS HAVE BEEN FILED FOR THIS VERY ISSUE. *TR
TL* THE CONTACT OWNS A 2011 GMC SIERRA. WHILE THE VEHICLE WAS PARKED, THE CONTACT NOTICED MULTIPLE FRACTURES ON THE DASHBOARD AROUND WHERE THE FRONT PASSENGER SIDE AIR BAG WAS LOCATED. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 50,000.
THE DASH PANELS ON MY 2011 GMC SIERRA HAVE SPONTANEOUSLY CRACKED IN 6 PLACES. 1 DIRECTLY ADJACENT TO THE PASSENGER AIRBAG, ANOTHER DIRECTLY ABOVE THE INSTRUMENT PANEL AND NOW IN 4 PLACES DIRECTLY ADJACENT TO THE WINDSHIELD. IN ANY SORT OF IMPACT I AM FEARING THE AIRBAGS DEPLOYING WILL CAUSE THE DASH TO TURN FROM HARD PLASTIC TO HARD MOVING PIECES OF PLASTIC AND CAUSE ADDITIONAL INJURY ABOVE AND BEYOND IN A NORMAL CRASH. GM HAS REFUSED TO ACCEPT LIABILITY FOR THIS MATTER AND CALLS IT A COSMETIC ISSUE. *TR
CRACK IN DASHBOARD AT UPPER LEFT CORNER OF PASSENGER SIDE AIRBAG. *TR
THE FRONT BUMPERS PLASTIC FOG LIGHT ASSEMBLY BECOMES LOOSE AND FALLS OFF. THIS CAN CAUSE CRASH AND ACCIDENT BECAUSE OF FALLING OFF PARTS FROM CAR. THIS SEEMS TO BE A KNOWN ISSUE WITH THE PLASTIC BUMPER PARTS FOR THE FOG LIGHTS. THE SUGGESTION IS TO REPLACE THIS WITH A CHROME OR METAL BUMPER SO THAT PLASTIC PEACES DO NOT BECOME WARPED AND BREAK OFF. THIS HAPPENS AT THE BOLT POINTS FOR THE FRONT BUMPER FOG LIGHT HOLDER ENTIRE PLASTIC PEACE. *TR
DASH HAS A CRACK NEAR THE PASSENGER AIRBAG. I UNDERSTAND THIS IS A DEFECT. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026