2010 Kia Optima vs 2010 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 | 2010 Kia Optima | 2010 Toyota Prius |
|---|---|---|
| NHTSA complaints | 75 | 2,820 |
| Recall campaigns | 1 | 10 |
| Service bulletins (TSBs) | 34 | 387 |
| Investigations | 2 | 4 |
| Crash reports | 7 | 183 |
| Fire reports | 2 | 13 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 23–25 | 50 |
| Median reported incident mileage | 70,818 mi | 8,500 mi |
Reported problems side by side
| Component | Kia Optima | Toyota Prius |
|---|---|---|
| Service Brakes, Hydraulic | 0 | 849 |
| Service Brakes | 4 | 591 |
| Service Brakes, Electric | 0 | 502 |
| Vehicle Speed Control | 6 | 287 |
| Electrical System | 13 | 192 |
| Exterior Lighting | 2 | 148 |
| Engine | 9 | 140 |
| Power Train | 24 | 79 |
Symptoms owners describe
| Airbag warning light | 8 | 0 |
| Hesitation / surging | 6 | 401 |
| Brake problems | 0 | 320 |
| Stalling | 0 | 95 |
| Loss of power | 0 | 40 |
| Oil consumption | 0 | 38 |
| Check engine light | 0 | 31 |
| Vibration / shaking | 0 | 28 |
2010 Kia Optima
2010 Toyota Prius
Compare all Kia Optima 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.