2026 GMC Terrain Body and structure Problems
- Complaints
- 2about this part
- Share
- 6%of 33 total for the year
- Median mileage
- 4,650miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 2 complaints about the body and structure of the 2026 GMC Terrain, 6% of the 33 complaints for this model year. Where a mileage was given, the median is 4,650 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.
“The contact owns a 2026 GMC Terrain. While drying the vehicle after it was washed, the contact became aware that the middle section of the vehicle was loose. The vehicle was taken to the dealer. The dealer informed the contact that the part to repair the vehicle needed to be ordered. The contact was awaiting a response from the dealer. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 3,000.”
NHTSA complaint #11719488, filed 2026-02, 3,000 miles“The contact owned a 2026 GMC Terrain. The contact stated that while her husband was driving on a perpendicular road at an undisclosed speed, entering a highway, the driver yielded; however, a truck in the median was attempting to cross the highway during oncoming traffic, and an oncoming vehicle crashed into that vehicle, causing the truck to crash into the front of the vehicle. The front air bags deployed as intended. The contact stated that an electrical fire started under the center console, and the driver’s shirt was burned by the fire. …”
NHTSA complaint #11745975, filed 2026-06, 6,300 milesRelated service bulletins
- 11025996Nov 4, 2025This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
- 11025553Oct 2, 2025This service bulletin provides repair information to correct a customer concern of Vibration Rattle or Boom at 1800 to 2000 RPM.
- 11023267May 9, 2025This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the liftgate…
Body and structure: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 6% |
| 2025 | 1 | 8% |
| 2024 | 1 | 2% |
| 2023 | 1 | 2% |
| 2020 | 5 | 3% |
| 2019 | 2 | 1% |
| 2018 | 3 | 1% |
| 2017 | 7 | 5% |
| 2016 | 3 | 2% |
| 2015 | 14 | 5% |
| 2014 | 5 | 2% |
| 2013 | 14 | 4% |
| 2012 | 12 | 3% |
| 2011 | 11 | 3% |
| 2010 | 10 | 3% |
Other parts of the 2026 GMC Terrain
9 complaintsForward collision avoidance
6 complaintsElectrical system
5 complaintsSuspension
5 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsWheels
4 complaintsSteering
3 complaintsLane departure
2 complaintsBack-over prevention (rear camera)
1 complaintsEngine
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2026 GMC Terrain
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