2013 Buick Regal vs 2013 Kia Optima
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 | 2013 Buick Regal | 2013 Kia Optima |
|---|---|---|
| NHTSA complaints | 91 | 1,375 |
| Recall campaigns | 6 | 9 |
| Service bulletins (TSBs) | 1,882 | 235 |
| Investigations | 2 | 8 |
| Crash reports | 6 | 48 |
| Fire reports | 2 | 112 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 22–24 | 26–37 |
| Median reported incident mileage | 60,000 mi | 87,000 mi |
Reported problems side by side
| Component | Buick Regal | Kia Optima |
|---|---|---|
| Engine | 9 | 610 |
| Steering | 4 | 212 |
| Electrical System | 36 | 145 |
| Structure | 6 | 127 |
| Fuel/propulsion System | 4 | 91 |
| Exterior Lighting | 37 | 38 |
| Power Train | 9 | 64 |
| Service Brakes | 6 | 58 |
Symptoms owners describe
| Check engine light | 6 | 108 |
| Stalling | 5 | 168 |
| Won’t start | 5 | 0 |
| Clunking / rattling | 0 | 87 |
| Vibration / shaking | 0 | 54 |
| Loss of power | 0 | 53 |
| Rust / corrosion | 0 | 32 |
| Oil consumption | 0 | 25 |
2013 Buick Regal
2013 Kia Optima
Compare all Buick Regal vs Kia Optima 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.