2006 Audi A4 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 A4 | 2006 Toyota Corolla |
|---|---|---|
| NHTSA complaints | 295 | 839 |
| Recall campaigns | 3 | 7 |
| Service bulletins (TSBs) | 356 | 143 |
| Investigations | 0 | 4 |
| Crash reports | 8 | 115 |
| Fire reports | 4 | 8 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21–24 | 25–31 |
| Median reported incident mileage | 60,000 mi | 60,000 mi |
Reported problems side by side
| Component | Audi A4 | Toyota Corolla |
|---|---|---|
| Air Bags | 73 | 453 |
| Exterior Lighting | 159 | 6 |
| Engine and Engine Cooling | 6 | 104 |
| Electrical System | 21 | 85 |
| Vehicle Speed Control | 7 | 75 |
| Power Train | 14 | 43 |
| Engine | 15 | 24 |
| Steering | 5 | 22 |
Symptoms owners describe
| Vibration / shaking | 12 | 0 |
| Check engine light | 7 | 61 |
| Stalling | 0 | 74 |
| Airbag warning light | 0 | 28 |
| Hesitation / surging | 0 | 20 |
| Won’t start | 0 | 9 |
| Brake problems | 0 | 9 |
| Rust / corrosion | 0 | 8 |
2006 Audi A4
2006 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.