Powertrain complaints and recalls from NHTSA
Summary
The 2018 GMC Terrain has 39 NHTSA powertrain complaints and 2 powertrain-related recalls.
39
Complaints
2
Recalls
0
Injuries Reported
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
20V668000
POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Ter...
17V516000
POWER TRAIN:DRIVELINE:DRIVESHAFT
General Motors LLC (GM) is recalling certain 2018 Chevrolet Equinox and GMC Terrain vehicles and 2017-2018 GMC Acadia vehicles. The right front inte...
| Date ↓ | Component | Summary |
|---|---|---|
| Feb 27, 2026 | POWER TRAIN | The contact owns a 2018 GMC Terrain. While attempting to shift to reverse(R) out of a parking spot, ... |
| Sep 7, 2025 | POWER TRAIN,SERVICE BRAKES,ENGINE | April 2025, Vacuum Pump went out meaning lost breaks going 60 miles per hour down the road after eng... |
| Jul 25, 2025 | POWER TRAIN | The contact owns a 2018 GMC Terrain. The contact stated that while driving at an undisclosed speed, ... |
| Jul 1, 2025 | POWER TRAIN | The contact owns a 2018 GMC Terrain. The contact stated that while driving at various speeds, there ... |
| May 21, 2025 | POWER TRAIN | I bought this car used and had only had it about a month when I was driving to work and was in slow ... |
| Apr 14, 2025 | POWER TRAIN,ENGINE | Timing chain. It had no warning and failed due to poor design and gm in Europe fixed/addressed the i... |
| Mar 1, 2025 | POWER TRAIN,ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES | The contact owns a 2018 GMC Terrain. The contact stated that the transmission was shifting gear erra... |
| Aug 8, 2024 | POWER TRAIN,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM | Hello. As I come to a complete stop the car will go into auto-stop. After releasing the brake pedal ... |
| Mar 14, 2024 | POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | My check engine light comes on intermittently, since March 2024, after having Cabin & Engine air fil... |
| Mar 14, 2024 | POWER TRAIN,ENGINE | While driving the vehicle which only has 68,000 miles the reduced engine power warning light appeare... |
| Sep 17, 2023 | POWER TRAIN,FORWARD COLLISION AVOIDANCE | Car is losing go power when accelerating on to interstate. It’s like the transmission loses power, t... |
| Sep 11, 2023 | POWER TRAIN | My vehicle put itself in park in the middle of an intersection while waiting to make a left turn in ... |
| Jul 14, 2023 | POWER TRAIN,SERVICE BRAKES,ENGINE | The vacuum pump started leaking and the car was parked immediately. When The pump was pulled out to ... |
| Jun 2, 2023 | POWER TRAIN | Transmission failed. Unable to purchase a replacement as there are no available transmissions for th... |
| Dec 13, 2022 | POWER TRAIN | While driving in the rain at about 25-30 mph I noticed a loss of propulsion and before I could turn ... |
| Oct 11, 2022 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | There is an has been an issue with my electrical system says I purchased this car in 2017. Myself be... |
| May 23, 2022 | POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | I have a 2018 GMC TERRAIN which I bought brand new from General Motors. In May 2022, the vehicle sta... |
| Apr 25, 2022 | POWER TRAIN | When you're sitting at idle in gear and go to accelerate the transmission will slip out of gear into... |
| Dec 26, 2021 | POWER TRAIN | 11/24/2021 buy 2018 GMC Terrain, before leaving the dealership I told the seller that the engine lig... |
| Jul 1, 2021 | POWER TRAIN | The turbine shaft in the transmission broke without warning. The part could have failed in an inte... |