Engine complaints and recalls from NHTSA
Summary
The 2020 GMC terrain has 16 NHTSA engine complaints and 0 engine-related recalls.
16
Complaints
0
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
| Date ↓ | Component | Summary |
|---|---|---|
| Jan 26, 2026 | ENGINE | Catastrophic engine failure; no warning lights,etc. took place on or about end of January 2026. Car... |
| Sep 13, 2025 | ENGINE,FUEL/PROPULSION SYSTEM | From a complete stop my car refused to accelerate no matter how much I pushed the gas pedal. I was p... |
| Aug 19, 2025 | ENGINE | First problem was when the ac went out which affected the starter 2 weeks after that while I was dri... |
| Jun 1, 2025 | ENGINE | While my wife was driving on [XXX] speed (60 –70 mph), the engine suddenly seized without warning. ... |
| May 2, 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2020 GMC Terrain. The contact stated while driving 45 MPH, the vehicle inadverten... |
| Jan 14, 2025 | ENGINE | This message concerns a persistent engine light that activates and generates engine code P0299, indi... |
| Sep 11, 2024 | ENGINE | Car was very well maintained 2020 GMC Terrain, no warnings prior to the issues. Car started shaking ... |
| Sep 9, 2024 | ENGINE | The contact owns a 2020 GMC Terrain. The contact stated that while his daughter was driving at an un... |
| Jul 24, 2024 | ENGINE | The vacuum pump locked up and sheered off the end of the cam shaft and made the cam skip timing an... |
| Mar 17, 2023 | ENGINE,FORWARD COLLISION AVOIDANCE | This GMC I just purchased in October 22 2022 and have been complaining since December 9,2022 the veh... |
| Mar 1, 2023 | ENGINE | The contact's friend's son owns a 2020 GMC Terrain. The contact stated that while her friend was dri... |
| Jan 1, 2023 | ENGINE | I just purchased this vehicle about 2 weeks ago, and was driving through the fog/cold weather and my... |
| Jun 21, 2022 | ENGINE AND ENGINE COOLING,POWER TRAIN,SERVICE BRAKES | The contact owns a 2020 GMC Terrain. The contact stated that while driving 50 MPH, the vehicle lost ... |
| Mar 22, 2022 | ENGINE,FUEL/PROPULSION SYSTEM | The engine cutoff while driving through a major intersection in 3/2022 with no warning lamps, messag... |
| Jan 17, 2022 | ENGINE | The engine will never go into 9th gear! What's the point of GMC doing a 9 gear transmission to help ... |
| Sep 27, 2021 | ENGINE | loss of oil due to engine defect and need new engine. engine and car at dealership. engine has not b... |