2006 Audi S4 vs 2006 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 | 2006 Audi S4 | 2006 Toyota Corolla |
|---|---|---|
| NHTSA complaints | 30 | 839 |
| Recall campaigns | 2 | 7 |
| Service bulletins (TSBs) | 231 | 143 |
| Investigations | 0 | 4 |
| Crash reports | 0 | 115 |
| Fire reports | 0 | 8 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 16 | 25–31 |
| Median reported incident mileage | 49,325 mi | 60,000 mi |
Reported problems side by side
| Component | Audi S4 | Toyota Corolla |
|---|---|---|
| Air Bags | 7 | 453 |
| Engine and Engine Cooling | 0 | 104 |
| Electrical System | 4 | 85 |
| Vehicle Speed Control | 0 | 75 |
| Power Train | 1 | 43 |
| Exterior Lighting | 22 | 6 |
| Engine | 0 | 24 |
| Steering | 1 | 22 |
Symptoms owners describe
| Stalling | 0 | 74 |
| Check engine light | 0 | 61 |
| Airbag warning light | 0 | 28 |
| Hesitation / surging | 0 | 20 |
| Won’t start | 0 | 9 |
| Brake problems | 0 | 9 |
| Rust / corrosion | 0 | 8 |
| Loss of power | 0 | 7 |
2006 Audi S4
2006 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.