2018 GMC Sierra 2500 problems by component
35 owner complaints filed with NHTSA for the 2018 GMC Sierra 2500, 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 | 8 | 23% | — |
| Electrical System | 7 | 20% | — |
| Fuel/propulsion System | 5 | 14% | — |
| Equipment | 4 | 11% | — |
| Exterior Lighting | 4 | 11% | — |
| Power Train | 3 | 9% | — |
| Tires | 3 | 9% | — |
| Visibility/wiper | 2 | 6% | — |
| Back Over Prevention | 1 | 3% | — |
| Fuel System, Diesel | 1 | 3% | — |
| Seat Belts | 1 | 3% | — |
| Steering | 1 | 3% | — |
| Wheels | 1 | 3% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.