2019 GMC Terrain problems by component
177 owner complaints filed with NHTSA for the 2019 GMC Terrain, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Engine → | 63 | 36% | — |
| Service Brakes → | 58 | 33% | — |
| Power Train → | 50 | 28% | 11,000 mi |
| Electrical System → | 37 | 21% | — |
| Vehicle Speed Control | 9 | 5% | — |
| Back Over Prevention | 7 | 4% | — |
| Service Brakes, Hydraulic | 7 | 4% | — |
| Electronic Stability Control (esc) | 6 | 3% | — |
| Forward Collision Avoidance | 6 | 3% | — |
| Exterior Lighting | 5 | 3% | — |
| Fuel/propulsion System | 4 | 2% | — |
| Steering | 4 | 2% | — |
| Suspension | 3 | 2% | — |
| Air Bags | 2 | 1% | — |
| Tires | 2 | 1% | — |
| Seat Belts | 1 | 1% | — |
| Structure | 1 | 1% | — |
| Visibility | 1 | 1% | — |
| Visibility/wiper | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.