2017 Genesis G80 vs 2017 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 | 2017 Genesis G80 | 2017 Kia Optima |
|---|---|---|
| NHTSA complaints | 64 | 252 |
| Recall campaigns | 2 | 3 |
| Service bulletins (TSBs) | 98 | 179 |
| Investigations | 1 | 3 |
| Crash reports | 3 | 4 |
| Fire reports | 0 | 9 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 18–22 | 25–42 |
| Median reported incident mileage | 23,000 mi | 61,000 mi |
Reported problems side by side
| Component | Genesis G80 | Kia Optima |
|---|---|---|
| Engine | 16 | 161 |
| Electrical System | 22 | 25 |
| Power Train | 8 | 20 |
| Fuel/propulsion System | 0 | 20 |
| Exterior Lighting | 1 | 15 |
| Steering | 4 | 11 |
| Vehicle Speed Control | 1 | 13 |
| Forward Collision Avoidance | 3 | 8 |
Symptoms owners describe
| Check engine light | 0 | 43 |
| Oil consumption | 0 | 38 |
| Stalling | 0 | 26 |
| Loss of power | 0 | 24 |
| Clunking / rattling | 0 | 16 |
| Hesitation / surging | 0 | 14 |
| Vibration / shaking | 0 | 10 |
| Misfire / rough idle | 0 | 7 |
2017 Genesis G80
2017 Kia Optima
Compare all Genesis G80 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.