2025 GMC Terrain problems and complaints
Owners have filed 13 complaints with NHTSA about the 2025 GMC Terrain. The most-reported areas: Power Train (4), Electrical System (4), Service Brakes (3).
Key takeaways
- 13 owner complaints on file with NHTSA.
- 2 involve a crash, 0 a fire, 1 reported injury.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 4 | 31% |
| Electrical System | 4 | 31% |
| Service Brakes | 3 | 23% |
| Steering | 3 | 23% |
| Forward Collision Avoidance | 2 | 15% |
| Wheels | 2 | 15% |
| Unknown Or Other | 2 | 15% |
| Suspension | 2 | 15% |
| Engine | 2 | 15% |
| Air Bags | 1 | 8% |
| Vehicle Speed Control | 1 | 8% |
| Hydraulic | 1 | 8% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2025 GMC Terrain SUV AWD | Not rated | Not rated | 5/5 | 4/5 |
| 2025 GMC Terrain SUV FWD | Not rated | Not rated | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Power Train,service Brakes,forward Collision Avoidance - filed 2026-08-29
Two problems with this vehicle: 1) Transmission occasionally slips on the 2-3 shift which the dealer says he cannot duplicate. Vehicle was brought in four times for this problem. According to the dealer GM corporate has stated the transmission is working within normal parameters, since no codes were found. 2) Vehicle a...
Steering,air Bags,wheels - filed 2026-06-25
I was driving north on [XXX] when I felt a slight pull to the right. I figured it was my lane assist even though I was in my lane. Seconds later it felt like if someone was in my passenger seat and just yanked my steering wheel to the right hitting the guardrail. My whole tire and the assembly was off but everything wa...
Electrical System,vehicle Speed Control,unknown Or Other - filed 2026-05-12
OnStar module not working
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More for the 2025 GMC Terrain
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.