2006 Kia Optima vs 2006 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 | 2006 Kia Optima | 2006 Toyota Prius |
|---|---|---|
| NHTSA complaints | 155 | 1,439 |
| Recall campaigns | 2 | 6 |
| Service bulletins (TSBs) | 37 | 210 |
| Investigations | 3 | 3 |
| Crash reports | 3 | 82 |
| Fire reports | 1 | 5 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21–23 | 46 |
| Median reported incident mileage | 65,000 mi | 50,000 mi |
Reported problems side by side
| Component | Kia Optima | Toyota Prius |
|---|---|---|
| Exterior Lighting | 16 | 941 |
| Electrical System | 23 | 152 |
| Service Brakes, Hydraulic | 0 | 94 |
| Vehicle Speed Control | 7 | 84 |
| Air Bags | 46 | 30 |
| Service Brakes | 0 | 73 |
| Service Brakes, Electric | 0 | 45 |
| Power Train | 14 | 22 |
Symptoms owners describe
| Airbag warning light | 33 | 0 |
| Stalling | 9 | 51 |
| Brake problems | 0 | 41 |
| Hesitation / surging | 0 | 30 |
| Check engine light | 0 | 10 |
| Loss of power | 0 | 9 |
| Overheating | 0 | 9 |
| Electrical failures | 0 | 8 |
2006 Kia Optima
2006 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.