1999 Audi A4 problems by component
190 owner complaints filed with NHTSA for the 1999 Audi A4, 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 → | 81 | 43% | 84,000 mi |
| Engine and Engine Cooling → | 28 | 15% | 68,900 mi |
| Vehicle Speed Control → | 16 | 8% | — |
| Steering → | 15 | 8% | 73,500 mi |
| Electrical System → | 11 | 6% | — |
| Power Train → | 10 | 5% | — |
| Air Bags | 8 | 4% | — |
| Suspension | 8 | 4% | — |
| Tires | 7 | 4% | — |
| Service Brakes, Air | 6 | 3% | — |
| Visibility | 5 | 3% | — |
| Exterior Lighting | 4 | 2% | — |
| Fuel System, Gasoline | 4 | 2% | — |
| Structure | 4 | 2% | — |
| Equipment | 3 | 2% | — |
| Service Brakes, Electric | 3 | 2% | — |
| Latches/locks/linkages | 2 | 1% | — |
| Parking Brake | 2 | 1% | — |
| Electronic Stability Control (esc) | 1 | 1% | — |
| Equipment Adaptive/mobility | 1 | 1% | — |
| Fuel System, Other | 1 | 1% | — |
| Seats | 1 | 1% | — |
| Traction Control System | 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%.