Worst years for a GMC Terrain
Owners have filed 4,355 complaints about the GMC Terrain with NHTSA across model years 2010 to 2026. More of them are about the engine & cooling than anything else.
Avoid
2012 GMC Terrain500 complaints — the highest FaultScore of any year, mostly engine & cooling.
Every GMC Terrain year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2026 | B | 39 | 1 | 2 | 5,200 | Driver Assist & Collision Avoidance |
| 2025 | C | 26 | 5 | 0 | — | Electrical System |
| 2024 | B | 74 | 1 | 1 | 6,766 | Transmission & Drivetrain |
| 2023 | C | 69 | 4 | 2 | 27,000 | Fuel & Propulsion |
| 2022 | A | 71 | 0 | 0 | 49,000 | Fuel & Propulsion |
| 2021 | B | 53 | 6 | 0 | 78,843 | Engine & Cooling |
| 2020 | C | 299 | 9 | 4 | 42,510 | Brakes |
| 2019 | C | 299 | 7 | 3 | 18,800 | Brakes |
| 2018 | D | 324 | 22 | 2 | 15,615 | Brakes |
| 2017 | C | 181 | 20 | 5 | 46,580 | Engine & Cooling |
| 2016 | C | 183 | 12 | 0 | 51,000 | Windows, Mirrors & Wipers |
| 2015 | C | 384 | 13 | 1 | 60,400 | Windows, Mirrors & Wipers |
| 2014 | C | 385 | 7 | 3 | 75,000 | Engine & Cooling |
| 2013 | D | 485 | 18 | 2 | 77,000 | Engine & Cooling |
| 2012 | D | 500 | 30 | 12 | 80,446 | Engine & Cooling |
| 2011 | D | 557 | 20 | 11 | 77,800 | Engine & Cooling |
| 2010 | C | 426 | 17 | 0 | 72,000 | Engine & Cooling |
What breaks on a GMC Terrain
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Exactly what failed on a GMC Terrain
The named sub-assemblies behind those complaints, across every model year.
Complaints filed over time
Every complaint about every GMC Terrain, by the month it reached NHTSA.
GMC Terrain problems by state
Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.
Compare the GMC Terrain
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.