2021 GMC Sierra 2500 Body and structure Problems
- Complaints
- 5about this part
- Share
- 10%of 52 total for the year
- Median mileage
- 93,726miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the body and structure of the 2021 GMC Sierra 2500, 10% of the 52 complaints for this model year. Where a mileage was given, the median is 93,726 miles. 1 of these say a crash was involved and 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My tailgate unexpectedly open as I was driving down the road. (2021 GMC 2500 Denali Sierra) This was the second time this has happened and lost things driving down the road. (3 propane tanks and a small grill the first and then an air compressor the second time) Both times it happened I opened and closed the tailgate with the vehicle running. Both times I was unaware of tailgate opening and did not notice until I got home. The first time it happened I thought it was operator error but after this weekend, I looked into this and see there was a recall on it this month. …”
NHTSA complaint #11579498, filed 2024-03“The contact owns a 2021 GMC Sierra 2500. The contact stated that on several occasions, the automatic power side-out step failed to extend as designed. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 93,726.”
NHTSA complaint #11733416, filed 2026-04, 93,726 milesRelated service bulletins
- 11022868May 8, 2025This informational bulletin provides information on Anti-Chip Coating Appearance.
- 11016944Mar 11, 2025This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
- 11015605Mar 4, 2025This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- 11015146Feb 22, 2025This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the outside rearview…
- 11015382Feb 20, 2025This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- 11014579Feb 19, 2025This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
- 11014171Jan 31, 2025This service bulletin provides information on proper use of floor mats.
- 11014238Jan 30, 2025This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
- 11013352Jan 23, 2025This informational bulletin provides explanation of a normal condition of a loose fitting trailer hitch receiver in the gooseneck hitch ball.
- 11013269Jan 16, 2025This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 2 | 7% |
| 2024 | 6 | 6% |
| 2023 | 1 | 3% |
| 2022 | 4 | 9% |
| 2021 | 5 | 10% |
| 2020 | 6 | 8% |
| 2015 | 1 | 1% |
| 2013 | 4 | 9% |
| 2012 | 4 | 13% |
| 2011 | 11 | 17% |
| 2009 | 4 | 13% |
| 2008 | 3 | 5% |
| 2007 | 7 | 8% |
| 2006 | 1 | 2% |
| 2005 | 6 | 5% |
| 2004 | 5 | 4% |
| 2003 | 5 | 3% |
| 2002 | 5 | 4% |
| 2001 | 7 | 5% |
| 2000 | 5 | 10% |
| 1999 | 1 | 3% |
Other parts of the 2021 GMC Sierra 2500
13 complaintsExterior lighting
9 complaintsEngine
8 complaintsBrakes
7 complaintsElectrical system
6 complaintsLatches, locks and linkages
4 complaintsForward collision avoidance
3 complaintsOther or unknown
3 complaintsAir bags
2 complaintsFuel system
2 complaintsBack-over prevention (rear camera)
1 complaintsLane departure
1 complaints
← All problems reported for the 2021 GMC Sierra 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology