2021 Kia K5 owner complaints
Most named: electrical system
46 of 167 complaints
- Crashes
- 8
- Fires
- 2
- Injuries
- 7
- Deaths
- 1
Owner complaints to the US safety agency (NHTSA), 2021 models.
Components named most often
A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Electrical system | 46 | 28% |
| Fuel system | 43 | 26% |
| Other or not specified | 32 | 19% |
| Engine | 29 | 17% |
| Transmission and drivetrain | 18 | 11% |
| Fuel system, gasoline | 13 | 8% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Hyundai Sonata | 134 |
| Chevrolet Malibu | 89 |
| Nissan Altima | 70 |
| Subaru Legacy | 31 |
| Honda Insight | 25 |
| Mazda MAZDA6 | 17 |
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