2025 GMC Sierra 3500 Equipment Problems
- Complaints
- 1about this part
- Share
- 6%of 17 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the equipment of the 2025 GMC Sierra 3500, 6% of the 17 complaints for this model year.
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.
“The contact owns a 2025 GMC Sierra 3500 used for hauling a 2026 Aluminum Trailer equipped with a DeeMaxx: DBI-7K-MAXX-SS-KIT brake kit. The contact stated that while driving at an undisclosed speed, the brake caliper bracket detached due to insufficient generic quality bolts included in the brake kit. The contact pulled over and had the trailer towed to an RV park. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure but informed the contact that the failure was caused by improper installation. …”
NHTSA complaint #11731433, filed 2026-04Equipment: other model years
Other parts of the 2025 GMC Sierra 3500
5 complaintsElectrical system
3 complaintsEngine
2 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsTires
2 complaintsEngine cooling
1 complaintsExterior lighting
1 complaintsLane departure
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2025 GMC Sierra 3500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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