1991 GMC Sonoma problems by component
29 owner complaints filed with NHTSA for the 1991 GMC Sonoma, 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, Hydraulic → | 14 | 48% | — |
| Engine and Engine Cooling | 4 | 14% | — |
| Electrical System | 3 | 10% | — |
| Power Train | 2 | 7% | — |
| Steering | 2 | 7% | — |
| Structure | 2 | 7% | — |
| Equipment | 1 | 3% | — |
| Exterior Lighting | 1 | 3% | — |
| Latches/locks/linkages | 1 | 3% | — |
| Seat Belts | 1 | 3% | — |
| Suspension | 1 | 3% | — |
| Tires | 1 | 3% | — |
| Vehicle Speed Control | 1 | 3% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.