2011 BMW 135I vs 2011 Ford Mustang
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 | 2011 BMW 135I | 2011 Ford Mustang |
|---|---|---|
| NHTSA complaints | 27 | 466 |
| Recall campaigns | 6 | 4 |
| Service bulletins (TSBs) | 103 | 63 |
| Investigations | 1 | 1 |
| Crash reports | 1 | 20 |
| Fire reports | 2 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 20–23 | 17–23 |
| Median reported incident mileage | — | 30,000 mi |
Reported problems side by side
| Component | BMW 135I | Ford Mustang |
|---|---|---|
| Power Train | 4 | 200 |
| Air Bags | 6 | 125 |
| Engine | 11 | 48 |
| Vehicle Speed Control | 1 | 39 |
| Electrical System | 7 | 24 |
| Fuel/propulsion System | 2 | 23 |
| Steering | 0 | 25 |
| Electronic Stability Control (esc) | 0 | 14 |
Symptoms owners describe
| Hesitation / surging | 6 | 14 |
| Stalling | 0 | 26 |
| Vibration / shaking | 0 | 25 |
| Loss of power | 0 | 23 |
| Check engine light | 0 | 16 |
| Clunking / rattling | 0 | 15 |
| Airbag warning light | 0 | 8 |
| Shifting problems | 0 | 7 |
2011 BMW 135I
2011 Ford Mustang
Compare all BMW 135I vs Ford Mustang 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.