2018 Genesis G80 vs 2018 Hyundai Sonata
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 | 2018 Genesis G80 | 2018 Hyundai Sonata |
|---|---|---|
| NHTSA complaints | 94 | 366 |
| Recall campaigns | 6 | 1 |
| Service bulletins (TSBs) | 97 | 204 |
| Investigations | 1 | 2 |
| Crash reports | 8 | 18 |
| Fire reports | 0 | 13 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 18–22 | 26–41 |
| Median reported incident mileage | 15,000 mi | 27,000 mi |
Reported problems side by side
| Component | Genesis G80 | Hyundai Sonata |
|---|---|---|
| Engine | 11 | 206 |
| Electrical System | 22 | 60 |
| Power Train | 5 | 39 |
| Fuel/propulsion System | 0 | 30 |
| Steering | 15 | 9 |
| Exterior Lighting | 2 | 22 |
| Service Brakes | 5 | 14 |
| Structure | 4 | 15 |
Symptoms owners describe
| Oil consumption | 0 | 68 |
| Check engine light | 0 | 60 |
| Stalling | 0 | 37 |
| Loss of power | 0 | 31 |
| Vibration / shaking | 0 | 21 |
| Misfire / rough idle | 0 | 16 |
| Hesitation / surging | 0 | 15 |
| Electrical failures | 0 | 13 |
2018 Genesis G80
2018 Hyundai Sonata
Compare all Genesis G80 vs Hyundai Sonata 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.