2024 GMC Terrain problems and complaints
Owners have filed 52 complaints with NHTSA about the 2024 GMC Terrain. The most-reported areas: Power Train (22), Unknown Or Other (11), Engine (11).
Key takeaways
- 52 owner complaints on file with NHTSA.
- 1 involve a crash, 1 a fire, 2 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Power Train | 22 | 42% |
| Unknown Or Other | 11 | 21% |
| Engine | 11 | 21% |
| Fuel/Propulsion System | 10 | 19% |
| Electrical System | 7 | 13% |
| Forward Collision Avoidance | 3 | 6% |
| Service Brakes | 3 | 6% |
| Vehicle Speed Control | 3 | 6% |
| Steering | 2 | 4% |
| Air Bags | 2 | 4% |
| Back Over Prevention | 1 | 2% |
| Firerelated | 1 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2024 GMC Terrain SUV AWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2024 GMC Terrain SUV FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Electrical System,back Over Prevention - filed 2026-10-02
I am reporting a recurring backup camera malfunction in my 2024 GMC Terrain AT4. Since purchasing the vehicle, I have experienced repeated instances in which the rearview camera display goes completely black when the vehicle is shifted into reverse. This prevents me from seeing the camera image while backing up. The m...
Power Train,unknown Or Other - filed 2026-10-02
GMC Adaptive learning transmission problems that lead to safety concerns, emissions reduction in MPG, and increased wear of the transmission. Regarding GM’s 9T45 automatic 9 speed transmission. Problem: - The GM Adaptive learning of the transmission does not have safe guards in place to prevent unsafe sift patterns an...
Steering,unknown Or Other - filed 2026-10-01
The Electric Power Steering (EPS) gear assembly / rack and pinion failed completely. Yes, the component is available for inspection upon request; it is currently located at the servicing dealership. A total failure of the steering gear assembly caused immediate loss of power steering assist, making the vehicle extremel...
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More for the 2024 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.