2011 Toyota Prius vs 2012 Toyota Prius
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 Toyota Prius | 2012 Toyota Prius |
|---|---|---|
| NHTSA complaints | 516 | 421 |
| Recall campaigns | 6 | 6 |
| Service bulletins (TSBs) | 359 | 461 |
| Investigations | 3 | 3 |
| Crash reports | 36 | 45 |
| Fire reports | 7 | 2 |
| NCAP overall rating | 5/5 | 5/5 |
| EPA MPG (combined) | 48 | 48 |
| Median reported incident mileage | 81,750 mi | 60,000 mi |
Reported problems side by side
| Component | Toyota Prius | Toyota Prius |
|---|---|---|
| Service Brakes | 260 | 182 |
| Electrical System | 68 | 52 |
| Exterior Lighting | 48 | 36 |
| Engine | 46 | 31 |
| Air Bags | 46 | 27 |
| Vehicle Speed Control | 28 | 13 |
| Power Train | 18 | 21 |
| Structure | 9 | 23 |
Symptoms owners describe
| Hesitation / surging | 28 | 7 |
| Stalling | 27 | 26 |
| Brake problems | 24 | 29 |
| Loss of power | 13 | 6 |
| Check engine light | 11 | 6 |
| Oil consumption | 9 | 0 |
| Vibration / shaking | 9 | 11 |
| Clunking / rattling | 8 | 6 |
2011 Toyota Prius
2012 Toyota Prius
Compare all Toyota Prius vs Toyota Prius 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.