Powertrain complaints and recalls from NHTSA
Summary
The 2020 GMC terrain has 23 NHTSA powertrain complaints and 1 powertrain-related recall.
23
Complaints
1
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...
| Date ↓ | Component | Summary |
|---|---|---|
| Dec 13, 2025 | POWER TRAIN,ENGINE | The intercooler has been a document problem on GMC Terrains for awhile now. I had my intercooler rep... |
| Nov 15, 2025 | POWER TRAIN | The contact owns a 2020 GMC Terrain. The contact stated that while driving 35 MPH and depressing the... |
| Aug 13, 2025 | POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | I have been having intermittent problems for well over 1 year with my vehicle not accelerating. I tr... |
| Jul 12, 2025 | POWER TRAIN | I have been experiencing loss of power when going from a full stop to acceleration. I purchased my 2... |
| Jul 8, 2025 | POWER TRAIN | The contact owns a 2020 GMC Terrain. The contact stated that while making a turn, the transmission s... |
| Jun 22, 2025 | POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | On 6/22/2025, brakes stopped working while trying to make a turn. Next multiple engines light came ... |
| May 1, 2025 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | [XXX] once again while diving down the road 45mph Terrain once again goes in to park ,I was lucky th... |
| Nov 22, 2024 | POWER TRAIN | The engine in my 2020 GMC Terrain is consuming oil at an alarming rate, burning through a full suppl... |
| Oct 13, 2024 | POWER TRAIN | Gear selector |
| Aug 16, 2024 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | The vehicle is a 2020 and should not already be having electrical issues. The vehicle repair is over... |
| Aug 14, 2024 | POWER TRAIN,SERVICE BRAKES,ENGINE | While driving I had to push the brake to the floor and a light came on saying reduced engine power. ... |
| Dec 20, 2023 | POWER TRAIN | The contact owns a 2020 GMC Terrain. The contact stated that while at a stop, there was an abnormal ... |
| Aug 24, 2023 | POWER TRAIN,ELECTRICAL SYSTEM,STRUCTURE | After heavy rain the backseat of the car was flooded as well as the rear wheel well likely due to th... |
| Aug 11, 2023 | POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 2020 GMC Terrain Engine stopped working. Put in new engine. After one week new engine blown. We wer... |
| Jul 1, 2023 | POWER TRAIN,ENGINE | GMC 2029 Terrain Our car broke down three times after a new engine was put in. After one week it had... |
| Jun 6, 2023 | POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 2020 GMC Terrain SLE Elevation Package 83,000 miles and needs complete engine rebuild @ cost of $10,... |
| Feb 8, 2023 | POWER TRAIN | 2020 GMC TERRAIN. CONSUMER STATED THAT THEIR VEHICLE STARTED PULLING AND DRAGGING WHILE DRIVING. |
| Nov 19, 2022 | POWER TRAIN | The car has been in the shop for the turbo being over boosted four times and is getting hot, so they... |
| Sep 27, 2022 | POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | Turbo failed. Car ran fine with no warning lights. Stopped at red light entering interstate and then... |
| Aug 9, 2022 | POWER TRAIN | In January 2022, I purchased a 2020 GMC Terrain from a local GMC certified dealership along with an ... |