2003 Kia Rio vs 2003 Toyota Corolla
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 | 2003 Kia Rio | 2003 Toyota Corolla |
|---|---|---|
| NHTSA complaints | 74 | 720 |
| Recall campaigns | 3 | 9 |
| Service bulletins (TSBs) | 16 | 153 |
| Investigations | 1 | 4 |
| Crash reports | 8 | 101 |
| Fire reports | 2 | 9 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 25–26 | 28–31 |
| Median reported incident mileage | 49,349 mi | 90,000 mi |
Reported problems side by side
| Component | Kia Rio | Toyota Corolla |
|---|---|---|
| Air Bags | 4 | 332 |
| Engine and Engine Cooling | 19 | 92 |
| Vehicle Speed Control | 0 | 77 |
| Power Train | 12 | 61 |
| Electrical System | 15 | 34 |
| Seat Belts | 7 | 38 |
| Service Brakes, Hydraulic | 12 | 23 |
| Structure | 2 | 31 |
Symptoms owners describe
| Stalling | 11 | 21 |
| Won’t start | 6 | 0 |
| Airbag warning light | 0 | 36 |
| Check engine light | 0 | 22 |
| Hesitation / surging | 0 | 20 |
| Clunking / rattling | 0 | 11 |
| Brake problems | 0 | 7 |
| Rust / corrosion | 0 | 7 |
2003 Kia Rio
2003 Toyota Corolla
Compare all Kia Rio vs Toyota Corolla 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.