GMC Terrain structure problems by year
86 NHTSA owner complaints name the structure across 14 Terrain model years. The most reported year is 2015 with 13 reports.
| Year | Structure reports | Share | Median mileage | |
|---|---|---|---|---|
| 2026 Terrain | 2 | 9% | — | |
| 2024 Terrain | 1 | 2% | — | |
| 2023 Terrain | 1 | 3% | — | |
| 2020 Terrain | 5 | 3% | — | |
| 2019 Terrain | 1 | 1% | — | |
| 2018 Terrain | 3 | 1% | — | |
| 2017 Terrain | 7 | 5% | — | |
| 2016 Terrain | 3 | 2% | — | |
| 2015 Terrain | 13 | 4% | 49,000 mi | |
| 2014 Terrain | 5 | 2% | — | |
| 2013 Terrain | 12 | 3% | — | |
| 2012 Terrain | 12 | 3% | 61,345 mi | |
| 2011 Terrain | 11 | 3% | — | |
| 2010 Terrain | 10 | 3% | — |
Share is the fraction of that year’s complaints naming the structure. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.