2003 Audi A6 vs 2004 Audi A6
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2003 Audi A6 | 2004 Audi A6 |
|---|---|---|
| NHTSA complaints | 66 | 35 |
| Recall campaigns | 7 | 4 |
| Service bulletins (TSBs) | 138 | 151 |
| Investigations | 1 | 1 |
| Crash reports | 1 | 1 |
| Fire reports | 5 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21 | 21 |
| Median reported mileage | 82,000 mi | 73,000 mi |
Reported problems side by side
| Component | Audi A6 | Audi A6 |
|---|---|---|
| Fuel System, Gasoline | 16 | 5 |
| Electrical System | 14 | 3 |
| Power Train | 10 | 1 |
| Tires | 6 | 3 |
| Engine and Engine Cooling | 3 | 3 |
| Fuel/propulsion System | 3 | 3 |
| Engine | 3 | 1 |
| Visibility | 3 | 1 |
Symptoms owners describe
| Check engine light | 9 | 0 |
| Stalling | 8 | 0 |
| Vibration / shaking | 6 | 0 |
2003 Audi A6
2004 Audi A6
Compare all Audi A6 vs Audi A6 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.