2004 Audi S4 vs 2004 Toyota Corolla
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 | 2004 Audi S4 | 2004 Toyota Corolla |
|---|---|---|
| NHTSA complaints | 29 | 477 |
| Recall campaigns | 1 | 9 |
| Service bulletins (TSBs) | 121 | 143 |
| Investigations | 0 | 4 |
| Crash reports | 0 | 69 |
| Fire reports | 1 | 3 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 16–18 | 28–31 |
| Median reported incident mileage | 55,000 mi | 65,000 mi |
Reported problems side by side
| Component | Audi S4 | Toyota Corolla |
|---|---|---|
| Air Bags | 1 | 236 |
| Vehicle Speed Control | 1 | 60 |
| Engine and Engine Cooling | 12 | 46 |
| Visibility | 3 | 27 |
| Electrical System | 2 | 24 |
| Power Train | 5 | 16 |
| Fuel System, Gasoline | 0 | 17 |
| Steering | 2 | 13 |
Symptoms owners describe
| Stalling | 0 | 20 |
| Check engine light | 0 | 12 |
| Airbag warning light | 0 | 11 |
| Hesitation / surging | 0 | 10 |
| Vibration / shaking | 0 | 8 |
| Rust / corrosion | 0 | 8 |
| Clunking / rattling | 0 | 7 |
2004 Audi S4
2004 Toyota Corolla
Compare all Audi S4 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.