2018 Chevrolet Impala vs 2018 Hyundai Sonata
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 22, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2018 Chevrolet Impala | 2018 Hyundai Sonata |
|---|---|---|
| NHTSA complaints | 59 | 372 |
| Recall campaigns | 1 | 1 |
| Service bulletins (TSBs) | 881 | 205 |
| Investigations | 0 | 2 |
| Crash reports | 6 | 18 |
| Fire reports | 0 | 13 |
| NCAP overall rating | 5/5 | 5/5 |
| EPA MPG (combined) | 22–25 | 26–41 |
| Median reported incident mileage | 45,365 mi | 27,000 mi |
Reported problems side by side
| Component | Chevrolet Impala | Hyundai Sonata |
|---|---|---|
| Engine | 7 | 210 |
| Electrical System | 11 | 60 |
| Power Train | 11 | 40 |
| Fuel/propulsion System | 2 | 31 |
| Exterior Lighting | 4 | 22 |
| Service Brakes | 7 | 14 |
| Vehicle Speed Control | 2 | 19 |
| Steering | 7 | 9 |
Symptoms owners describe
| Oil consumption | 0 | 68 |
| Check engine light | 0 | 60 |
| Stalling | 0 | 39 |
| Loss of power | 0 | 31 |
| Vibration / shaking | 0 | 21 |
| Hesitation / surging | 0 | 17 |
| Misfire / rough idle | 0 | 16 |
| Electrical failures | 0 | 13 |
2018 Chevrolet Impala
2018 Hyundai Sonata
Compare all Chevrolet Impala 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.