GMC Terrain service brakes problems by year
257 NHTSA owner complaints name the service brakes across 15 Terrain model years. The most reported year is 2018 with 68 reports.
| Year | Service Brakes reports | Share | Median mileage | |
|---|---|---|---|---|
| 2026 Terrain | 3 | 10% | — | |
| 2024 Terrain | 2 | 4% | — | |
| 2022 Terrain | 1 | 2% | — | |
| 2021 Terrain | 8 | 23% | — | |
| 2020 Terrain | 63 | 32% | — | |
| 2019 Terrain | 63 | 34% | — | |
| 2018 Terrain | 68 | 31% | 34,000 mi | |
| 2017 Terrain | 2 | 2% | — | |
| 2016 Terrain | 5 | 3% | — | |
| 2015 Terrain | 8 | 3% | — | |
| 2014 Terrain | 9 | 3% | — | |
| 2013 Terrain | 7 | 2% | — | |
| 2012 Terrain | 5 | 1% | — | |
| 2011 Terrain | 5 | 1% | — | |
| 2010 Terrain | 8 | 3% | — |
Share is the fraction of that year’s complaints naming the service brakes. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.