Engine complaints and recalls from NHTSA
Summary
The 2021 GMC Terrain has 4 NHTSA engine complaints and 0 engine-related recalls.
4
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Feb 13, 2026 | ENGINE,ENGINE AND ENGINE COOLING | Vehicle went into reduce engine power mode and check engine light came on. Vehicle has just over 60,... |
| Jan 26, 2026 | ENGINE,FUEL/PROPULSION SYSTEM,LANE DEPARTURE | The engine light came on while driving, saying “engine power reduced”. It barely accelerates, RPMs g... |
| Dec 24, 2025 | ENGINE | around chirstmas, Was driving on the highway and the car threw a "reduced engine power" warning and ... |
| Aug 1, 2025 | ENGINE | The contact owns a 2021 GMC Terrain. The contact stated that while driving at various speeds, the ve... |