2004 Audi A4 vs 2004 Toyota Corolla
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2004 Audi A4 | 2004 Toyota Corolla |
|---|---|---|
| NHTSA complaints | 189 | 477 |
| Recall campaigns | 2 | 9 |
| Service bulletins (TSBs) | 172 | 143 |
| Investigations | 1 | 4 |
| Crash reports | 8 | 69 |
| Fire reports | 3 | 3 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21–23 | 28–31 |
| Median reported incident mileage | 60,000 mi | 65,000 mi |
Reported problems side by side
| Component | Audi A4 | Toyota Corolla |
|---|---|---|
| Air Bags | 26 | 236 |
| Vehicle Speed Control | 16 | 60 |
| Engine and Engine Cooling | 18 | 46 |
| Fuel System, Gasoline | 46 | 17 |
| Visibility | 16 | 27 |
| Electrical System | 15 | 24 |
| Power Train | 12 | 16 |
| Tires | 16 | 6 |
Symptoms owners describe
| Stalling | 31 | 20 |
| Airbag warning light | 9 | 11 |
| Check engine light | 7 | 12 |
| Vibration / shaking | 7 | 8 |
| Loss of power | 6 | 0 |
| Hesitation / surging | 6 | 10 |
| Rust / corrosion | 0 | 8 |
| Clunking / rattling | 0 | 7 |
2004 Audi A4
2004 Toyota Corolla
Compare all Audi A4 vs Toyota Corolla 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.