2011 Audi S4 vs 2011 BMW 328I
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 21, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2011 Audi S4 | 2011 BMW 328I |
|---|---|---|
| NHTSA complaints | 26 | 577 |
| Recall campaigns | 1 | 7 |
| Service bulletins (TSBs) | 774 | 140 |
| Investigations | 0 | 0 |
| Crash reports | 0 | 18 |
| Fire reports | 0 | 25 |
| NCAP overall rating | 4/5 | — |
| EPA MPG (combined) | 21 | 20–22 |
| Median reported incident mileage | 63,500 mi | 93,000 mi |
Reported problems side by side
| Component | Audi S4 | BMW 328I |
|---|---|---|
| Engine | 5 | 194 |
| Engine and Engine Cooling | 0 | 175 |
| Electrical System | 2 | 129 |
| Air Bags | 0 | 91 |
| Power Train | 22 | 24 |
| Fuel/propulsion System | 0 | 20 |
| Exterior Lighting | 0 | 19 |
| Seat Belts | 0 | 12 |
Symptoms owners describe
| Hesitation / surging | 8 | 13 |
| Stalling | 0 | 80 |
| Check engine light | 0 | 58 |
| Vibration / shaking | 0 | 19 |
| Overheating | 0 | 18 |
| Clunking / rattling | 0 | 17 |
| Won’t start | 0 | 15 |
| Loss of power | 0 | 14 |
2011 Audi S4
2011 BMW 328I
Compare all Audi S4 vs BMW 328I 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.