2016 GMC Terrain engine problems
45 owner complaints filed with NHTSA name the engine on the 2016 GMC Terrain — 30% of all complaints for this model year.
What owners report
“My 2016 GMC Terrain 2.4L Ecotec first stalled while idling at a red light in Raleigh, NC. I restarted it and it sounded different, so I drove it home. The next morning it would not start. The failure occurred at approximately 69,939 miles with no meaningful warning. The dealer’s diagnostic report…”
filed Jun 5, 2026
“My vehicle started turning off suddenly when stopped and then when starting to move. I replaced my rear seal. A week later, I have oil in my timing and my engine no longer works. I have had it checked by a shop. No warning was given. I have my oil checked regularly and changed on time. I had a car…”
filed Apr 22, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Terrain years
| Year | Reports | Share |
|---|---|---|
| 2026 Terrain | 1 | 4% |
| 2024 Terrain | 11 | 23% |
| 2023 Terrain | 13 | 36% |
| 2022 Terrain | 10 | 21% |
| 2021 Terrain | 8 | 24% |
| 2020 Terrain | 55 | 30% |
| 2019 Terrain | 63 | 36% |
| 2018 Terrain | 51 | 24% |
| 2017 Terrain | 77 | 58% |
| 2015 Terrain | 80 | 27% |
| 2014 Terrain | 123 | 42% |
| 2013 Terrain | 197 | 54% |
Other reported problem areas on the 2016 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.