2023 GMC Terrain fuel/propulsion system problems
14 owner complaints filed with NHTSA name the fuel/propulsion system on the 2023 GMC Terrain — 39% of all complaints for this model year.
What owners report
“I have had 2 different instances where my vehicle stops in the middle of a busy intersection or traffic and have no warning what so ever. Vehicle just shuts off and I am not able to turn back on to move out of the way. First time I got it repaired it was related to the fuel pump and now I am…”
filed Jun 2, 2026
“I was driving the vehicle on the highway the cruise control was on. All of a sudden I got a warning on vehicle info panel that stated vehicle power is reduced. The vehicle decelerated on its own and I could not accelerate past 55. The check engine light came on. I pulled off the road and turned the…”
filed May 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2024 Terrain | 10 | 21% |
| 2022 Terrain | 20 | 42% |
| 2021 Terrain | 2 | 6% |
| 2020 Terrain | 22 | 12% |
| 2019 Terrain | 4 | 2% |
| 2018 Terrain | 12 | 6% |
| 2017 Terrain | 4 | 3% |
| 2016 Terrain | 3 | 2% |
| 2015 Terrain | 15 | 5% |
| 2014 Terrain | 15 | 5% |
| 2013 Terrain | 21 | 6% |
| 2012 Terrain | 28 | 8% |
Other reported problem areas on the 2023 GMC Terrain
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.