GMC Terrain power train problems by year
458 NHTSA owner complaints name the power train across 16 Terrain model years. The most reported year is 2011 with 76 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 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% | 11,000 mi | |
| 2018 Terrain | 41 | 19% | 10,300 mi | |
| 2017 Terrain | 23 | 17% | — | |
| 2016 Terrain | 11 | 7% | — | |
| 2015 Terrain | 21 | 7% | — | |
| 2014 Terrain | 33 | 11% | 78,000 mi | |
| 2013 Terrain | 44 | 12% | 94,843 mi | |
| 2012 Terrain | 37 | 10% | 87,228 mi | |
| 2011 Terrain | 76 | 20% | 78,000 mi | |
| 2010 Terrain | 51 | 18% | 73,050 mi |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.