GMC Terrain engine problems by year
1,188 NHTSA owner complaints name the engine across 16 Terrain model years. The most reported year is 2013 with 197 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 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% | 21,500 mi | |
| 2017 Terrain | 77 | 58% | 79,750 mi | |
| 2016 Terrain | 45 | 30% | 70,000 mi | |
| 2015 Terrain | 80 | 27% | 85,000 mi | |
| 2014 Terrain | 123 | 42% | 92,000 mi | |
| 2013 Terrain | 197 | 54% | 92,000 mi | |
| 2012 Terrain | 169 | 46% | 87,228 mi | |
| 2011 Terrain | 178 | 46% | 87,000 mi | |
| 2010 Terrain | 107 | 37% | 80,000 mi |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.