2019 GMC Sierra Denali problems by component
26 owner complaints filed with NHTSA for the 2019 GMC Sierra Denali, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Service Brakes | 8 | 31% | — |
| Steering | 7 | 27% | — |
| Electrical System | 5 | 19% | — |
| Electronic Stability Control (esc) | 5 | 19% | — |
| Engine | 4 | 15% | — |
| Power Train | 4 | 15% | — |
| Exterior Lighting | 2 | 8% | — |
| Back Over Prevention | 1 | 4% | — |
| Engine and Engine Cooling | 1 | 4% | — |
| Equipment | 1 | 4% | — |
| Structure | 1 | 4% | — |
| Tires | 1 | 4% | — |
| Visibility | 1 | 4% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.