2009 Toyota Prius vs 2011 Toyota Prius
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 | 2009 Toyota Prius | 2011 Toyota Prius |
|---|---|---|
| NHTSA complaints | 502 | 516 |
| Recall campaigns | 6 | 6 |
| Service bulletins (TSBs) | 225 | 359 |
| Investigations | 2 | 3 |
| Crash reports | 64 | 36 |
| Fire reports | 4 | 7 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 46 | 48 |
| Median reported incident mileage | 40,000 mi | 81,750 mi |
Reported problems side by side
| Component | Toyota Prius | Toyota Prius |
|---|---|---|
| Service Brakes | 63 | 260 |
| Exterior Lighting | 111 | 48 |
| Electrical System | 60 | 68 |
| Service Brakes, Hydraulic | 91 | 12 |
| Vehicle Speed Control | 71 | 28 |
| Engine | 19 | 46 |
| Air Bags | 17 | 46 |
| Service Brakes, Electric | 44 | 0 |
Symptoms owners describe
| Brake problems | 29 | 24 |
| Hesitation / surging | 26 | 28 |
| Stalling | 13 | 27 |
| Loss of power | 5 | 13 |
| Check engine light | 0 | 11 |
| Oil consumption | 0 | 9 |
| Vibration / shaking | 0 | 9 |
| Clunking / rattling | 0 | 8 |
2009 Toyota Prius
2011 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.