2020 GMC Terrain owner complaints
Most named: service brakes
65 of 197 complaints
- Crashes
- 7
- Fires
- 2
- Injuries
- 5
- Deaths
- 0
Owner complaints to the US safety agency (NHTSA), 2020 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Service brakes | 65 | 33% |
| Engine | 58 | 29% |
| Other or not specified | 34 | 17% |
| Transmission and drivetrain | 28 | 14% |
| Electrical system | 27 | 14% |
| Fuel system | 25 | 13% |
Complaints by model year
Rivals, 2020
| Rival | Complaints |
|---|---|
| Ford Escape | 1,531 |
| Honda CR-V | 353 |
| Chevrolet Equinox | 309 |
| Volkswagen Tiguan | 140 |
| Mazda CX-5 | 107 |
| Mitsubishi Outlander | 31 |
What this cannot tell you
Counts, not rates. Sales volume differs by model.
Complaints are owner reports, not confirmed defects.
Source: NHTSA complaints data (api.nhtsa.gov), public domain. Collected 2026-10-05.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ