2015 GMC Terrain fuel/propulsion system problems
15 owner complaints filed with NHTSA name the fuel/propulsion system on the 2015 GMC Terrain — 5% of all complaints for this model year.
What owners report
“Oil consumption, causing high pressure furl pump to clog. It also causes catalytic converter to clog. No warning of oil loss. Causing stalling out while driving. Caused the engine to seize. New engine replaced and still same problem s”
filed Apr 10, 2026
“Oil drained and no oil after oil change ra about 2300 miles and there is no indicator for low oil level or anything. Engine started rattling and engine sounded so that I pour oil then no more sound and working About month ago engine stopped while going slow in school line and after resting it…”
filed Jan 1, 2024
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% |
| 2023 Terrain | 14 | 39% |
| 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% |
| 2014 Terrain | 15 | 5% |
| 2013 Terrain | 21 | 6% |
| 2012 Terrain | 28 | 8% |
Other reported problem areas on the 2015 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.