GMC Terrain fuel/propulsion system problems by year
215 NHTSA owner complaints name the fuel/propulsion system across 15 Terrain model years. The most reported year is 2011 with 31 reports.
| Year | Fuel/propulsion System reports | Share | Median mileage | |
|---|---|---|---|---|
| 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% | — | |
| 2015 Terrain | 15 | 5% | — | |
| 2014 Terrain | 15 | 5% | — | |
| 2013 Terrain | 21 | 6% | 35,786 mi | |
| 2012 Terrain | 28 | 8% | 106,250 mi | |
| 2011 Terrain | 31 | 8% | 85,000 mi | |
| 2010 Terrain | 14 | 5% | 73,471 mi |
Share is the fraction of that year’s complaints naming the fuel/propulsion system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.