2020 Hyundai Sonata owner complaints
Most named: fuel system
45 of 178 complaints
- Crashes
- 5
- Fires
- 1
- Injuries
- 4
- Deaths
- 0
Owner complaints to the US safety agency (NHTSA), 2020 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Fuel system | 45 | 25% |
| Electrical system | 40 | 22% |
| Engine | 31 | 17% |
| Other or not specified | 28 | 16% |
| Transmission and drivetrain | 24 | 13% |
| Seats | 16 | 9% |
Complaints by model year
Rivals, 2020
| Rival | Complaints |
|---|---|
| Hyundai Elantra | 252 |
| Ford Fusion | 183 |
| Nissan Altima | 179 |
| Kia Optima | 148 |
| Volkswagen Passat | 18 |
| Mazda MAZDA6 | 2 |
What this cannot tell you
Counts, not rates. Sales volume differs by model.
Complaints are owner reports, not confirmed defects.
Source: NHTSA complaints data (api.nhtsa.gov), public domain. Collected 2026-10-05.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ