2017 GMC Terrain problems by component
133 owner complaints filed with NHTSA for the 2017 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 → | 77 | 58% | 79,750 mi |
| Power Train → | 23 | 17% | — |
| Air Bags → | 12 | 9% | — |
| Electrical System | 9 | 7% | — |
| Exterior Lighting | 7 | 5% | — |
| Structure | 7 | 5% | — |
| Fuel/propulsion System | 4 | 3% | — |
| Seat Belts | 4 | 3% | — |
| Visibility/wiper | 3 | 2% | — |
| Engine and Engine Cooling | 2 | 2% | — |
| Equipment | 2 | 2% | — |
| Service Brakes | 2 | 2% | — |
| Steering | 2 | 2% | — |
| Vehicle Speed Control | 2 | 2% | — |
| Back Over Prevention | 1 | 1% | — |
| Electronic Stability Control (esc) | 1 | 1% | — |
| Visibility | 1 | 1% | — |
| Wheels | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.