2011 Chevrolet Impala vs 2011 Hyundai Sonata
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 | 2011 Chevrolet Impala | 2011 Hyundai Sonata |
|---|---|---|
| NHTSA complaints | 505 | 3,376 |
| Recall campaigns | 2 | 14 |
| Service bulletins (TSBs) | 1,238 | 230 |
| Investigations | 0 | 8 |
| Crash reports | 22 | 116 |
| Fire reports | 5 | 112 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 21–23 | 26–36 |
| Median reported incident mileage | 65,146 mi | 79,000 mi |
Reported problems side by side
| Component | Chevrolet Impala | Hyundai Sonata |
|---|---|---|
| Steering | 35 | 1,171 |
| Engine | 125 | 967 |
| Electrical System | 95 | 443 |
| Air Bags | 37 | 418 |
| Exterior Lighting | 5 | 248 |
| Power Train | 64 | 173 |
| Electronic Stability Control (esc) | 132 | 62 |
| Service Brakes | 34 | 145 |
Symptoms owners describe
| Check engine light | 62 | 132 |
| Loss of power | 44 | 103 |
| Stalling | 40 | 361 |
| Hesitation / surging | 24 | 0 |
| Vibration / shaking | 20 | 230 |
| Airbag warning light | 10 | 184 |
| Shifting problems | 7 | 0 |
| Electrical failures | 6 | 0 |
2011 Chevrolet Impala
2011 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.