2014 GMC Terrain power train problems
33 owner complaints filed with NHTSA name the power train on the 2014 GMC Terrain — 11% of all complaints for this model year.
What owners report
“Tensioner issues keeps breaking the timing chain. . Replaced twice at own cost. Fuel pump/ loss of power while driving. Back up camera doesn't work sometimes. Screen goes black. If key is left in the ignition it starts itself. If you try to use a car charger for a phone the AC shuts off and a…”
filed Jul 1, 2025
“Vehicle is consuming excessive amount of oil in short drive time up to 3qt in less than 1000 miles. With no oil leaks. Vehicle only has 139840 miles. Has regular oil changes and services done.”
filed Mar 28, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2026 Terrain | 4 | 17% |
| 2024 Terrain | 20 | 42% |
| 2023 Terrain | 6 | 17% |
| 2022 Terrain | 7 | 15% |
| 2021 Terrain | 8 | 24% |
| 2020 Terrain | 26 | 14% |
| 2019 Terrain | 50 | 28% |
| 2018 Terrain | 41 | 19% |
| 2017 Terrain | 23 | 17% |
| 2016 Terrain | 11 | 7% |
| 2015 Terrain | 21 | 7% |
| 2013 Terrain | 44 | 12% |
Other reported problem areas on the 2014 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.