2018 GMC Sierra 1500 problems by component
300 owner complaints filed with NHTSA for the 2018 GMC Sierra 1500, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Power Train → | 128 | 43% | 31,000 mi |
| Engine → | 65 | 22% | 47,000 mi |
| Electrical System → | 43 | 14% | — |
| Service Brakes → | 40 | 13% | — |
| Steering → | 30 | 10% | 26,125 mi |
| Fuel/propulsion System → | 10 | 3% | — |
| Suspension → | 10 | 3% | — |
| Air Bags | 8 | 3% | — |
| Wheels | 7 | 2% | — |
| Engine and Engine Cooling | 6 | 2% | — |
| Forward Collision Avoidance | 6 | 2% | — |
| Structure | 6 | 2% | — |
| Vehicle Speed Control | 6 | 2% | — |
| Seat Belts | 5 | 2% | — |
| Tires | 5 | 2% | — |
| Service Brakes, Hydraulic | 4 | 1% | — |
| Visibility | 4 | 1% | — |
| Equipment | 3 | 1% | — |
| Exterior Lighting | 3 | 1% | — |
| Seats | 2 | 1% | — |
| Visibility/wiper | 2 | 1% | — |
| Electronic Stability Control (esc) | 1 | 0% | — |
| Fuel System, Gasoline | 1 | 0% | — |
| Lane Departure | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.