There are 3 stored owner reports matching the body & structure leading-label group for the 2013 GMC Sierra in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2013 GMC SIERRA. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, AN ABNORMAL NOISE OF SIMULATING AIR ENTERED THE VEHICLE FROM THE DRIVER SIDE. THE VEHICLE WAS TAKEN TO THREE DIFFERENT DEALERS WHERE IT WAS DIAGNOSED THAT THE REAR AND FRONT DRIVER SIDE FOAM SEALS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BUT THE REMEDY FAILED TO REPAIR THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 5,000. THE VIN WAS UNKNOWN.
MICE, RABBITS ETC. CHEWED THROUGH WIRES BECAUSE GMC PUTS PEANUT OIL ON THEIR WIRES. GMC DEALER SAID THEY WOULD FIX WIRES BUT THE PROBLEM WILL PERSIST BECAUSE PEANUT OIL IS BAIT FOR THESE ANIMALS. THIS IS A PROBLEM THAT WAS REPORTED ON A 2012 VEHICLE. THIS COULD CAUSE FIRES ETC AND NEEDS TO BE FIXED. THE VEHICLE WASN'T RUNNING RIGHT, ENGINE LIGHT WAS ON AND CHEWED WIRES WERE DISCOVERED. WERE TOLD BY GMC DEALER THERE IS NO PERMANENT FIX BECAUSE THEY USE PEANUT OIL BECAUSE ITS CHEAP! WE'VE ONLY HAD THE VEHICLE SINCE SEPTEMBER 2013. GMC WILL PUT THE WIRES TOGETHER AGAIN BUT NOT FIX THE MAIN PROBLEM OF THE PEANUT OIL. THIS IS A PROBLEM THAT IS COMPLETELY AVOIDABLE, YET A PROBLEM THAT IS BUILT INTO THE VEHICLE. *TR
AT THIS OCCURRENCE THE HOOD LATCH DOES NOT KEEP THE HOOD TIGHT WHEN CLOSED. THE HOOD RATTLES AT SPEEDS OVER 35MPH AND APPEARS AS THOUGH IT IS GOING TO OPEN. AS A RESULT OF ATTEMPTING TO SUFFICIENTLY SECURING THE HOOD, I SUBSEQUENTLY DENTED THE HOOD. I HAVE HAD THE BODY DEPARTMENT AT THE LOCAL DEALERSHIP LOOK AT IT AND THEY FOUND THAT THE HOOD LATCH NEEDED TO BE ADJUSTED. AFTER ANOTHER 2500 MILES, THIS RATTLE HAS RETURNED. THE COMPLAINT IS THAT THIS IS THE SECOND 2013 SIERRA DENALI THAT I HAVE OWNED SINCE OCTOBER 2012, SINCE THE DEALERSHIP BOUGHT BACK THE FIRST ONE AFTER NUMEROUS PROBLEMS INCLUDING THE TRANSMISSION BEING REPLACED AT 6250 MILES AND NUMEROUS EFFORTS TO FIX THE HOOD. SAME PROBLEM TWO TRUCKS IS A CAUSE FOR CONCERN! *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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.