2021 GMC Sierra 1500 Structure & Body Problems
NHTSA lists 22 Structure & Body complaints for the 2021 GMC Sierra 1500, about 4% of its 570 total complaints for the year, with a median failure mileage of 43,000 and no related recall on file.
- Structure & Body complaints
- 22
- 4% of 570
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 1
- Median mileage
- 43,000 mi
- Related recalls
- 0
Typical body and structure symptoms owners report
- The electric multifunction tailgate spontaneously unlatches or opens while parked or driving, sometimes damaging attached cargo.
- The inner tailgate door lowers on its own or fails to respond correctly when the release button is pressed.
- Owners report water leaking into the cabin through the rear sliding window.
- One owner reported a dash line detaching from its holder and rubbing against the vehicle frame, producing abnormal noise.
- One owner reported a fractured front-end frame accompanied by erratic shaking and loss of motive power.
- One owner cited a sharp interior trim edge between the front seats that caused a hand injury.
When 2021 GMC Sierra 1500 body and structure complaints were filed
First complaint Dec 7, 2020, latest Sep 16, 2026.
Structure & Body recalls for the 2021 GMC Sierra 1500
No safety recalls on record for this model year.
Structure & Body complaints by Sierra 1500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- Does the 2021 GMC Sierra 1500 have a tailgate recall?
- No related recall is listed for the 2021 Sierra 1500's Structure & Body complaints. Several owners noted that similar tailgate recalls applied to the 2,500 and 3,500 models but not the 1500.
- How common are body and structure complaints on the 2021 Sierra 1500?
- NHTSA lists 22 Structure & Body complaints for the 2021 Sierra 1500, which is about 4% of the 570 total complaints filed for that model year.
- At what mileage do these structure and body problems tend to appear?
- The median mileage at failure for Structure & Body complaints on the 2021 Sierra 1500 is 43,000 miles.
- Were there any crashes or injuries linked to these complaints?
- NHTSA records zero crashes and zero fires among these 22 complaints, but one injury was reported, tied to a sharp interior trim edge.