2011 Kia Optima 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 | 2011 Kia Optima | 2011 Toyota Prius |
|---|---|---|
| NHTSA complaints | 591 | 516 |
| Recall campaigns | 5 | 6 |
| Service bulletins (TSBs) | 228 | 359 |
| Investigations | 7 | 3 |
| Crash reports | 23 | 36 |
| Fire reports | 32 | 7 |
| NCAP overall rating | 5/5 | 5/5 |
| EPA MPG (combined) | 26–36 | 48 |
| Median reported incident mileage | 93,300 mi | 81,750 mi |
Reported problems side by side
| Component | Kia Optima | Toyota Prius |
|---|---|---|
| Engine | 254 | 46 |
| Service Brakes | 26 | 260 |
| Exterior Lighting | 88 | 48 |
| Electrical System | 61 | 68 |
| Steering | 100 | 7 |
| Air Bags | 31 | 46 |
| Vehicle Speed Control | 19 | 28 |
| Power Train | 25 | 18 |
Symptoms owners describe
| Stalling | 83 | 27 |
| Clunking / rattling | 55 | 8 |
| Check engine light | 42 | 11 |
| Loss of power | 25 | 13 |
| Vibration / shaking | 17 | 9 |
| Hesitation / surging | 13 | 28 |
| Airbag warning light | 12 | 0 |
| Oil consumption | 11 | 9 |
2011 Kia Optima
2011 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.