2018 Honda Accord Hybrid vs 2018 Kia Optima
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 21, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2018 Honda Accord Hybrid | 2018 Kia Optima |
|---|---|---|
| NHTSA complaints | 115 | 232 |
| Recall campaigns | 4 | 2 |
| Service bulletins (TSBs) | 59 | 155 |
| Investigations | 3 | 2 |
| Crash reports | 3 | 10 |
| Fire reports | 1 | 10 |
| NCAP overall rating | 5/5 | 5/5 |
| EPA MPG (combined) | 47 | 25–42 |
| Median reported incident mileage | 8,500 mi | 45,663 mi |
Reported problems side by side
| Component | Honda Accord Hybrid | Kia Optima |
|---|---|---|
| Engine | 24 | 131 |
| Electrical System | 20 | 33 |
| Service Brakes | 13 | 17 |
| Fuel/propulsion System | 13 | 13 |
| Power Train | 7 | 18 |
| Steering | 9 | 12 |
| Vehicle Speed Control | 9 | 10 |
| Exterior Lighting | 1 | 14 |
Symptoms owners describe
| Check engine light | 9 | 27 |
| Overheating | 7 | 0 |
| Stalling | 5 | 26 |
| Loss of power | 5 | 14 |
| Oil consumption | 0 | 45 |
| Vibration / shaking | 0 | 19 |
| Misfire / rough idle | 0 | 11 |
| Hesitation / surging | 0 | 7 |
2018 Honda Accord Hybrid
2018 Kia Optima
Compare all Honda Accord Hybrid 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.