2021 Kia Rio owner complaints
Most named: steering
4 of 15 complaints
- Crashes
- 2
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
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 |
|---|---|---|
| Other or not specified | 6 | 40% |
| Steering | 4 | 27% |
| Service brakes | 3 | 20% |
| Engine | 2 | 13% |
| Transmission and drivetrain | 2 | 13% |
| Back-over prevention | 1 | 7% |
Complaints by model year
Rivals, 2021
| Rival | Complaints |
|---|---|
| Kia Forte | 68 |
| Nissan Versa | 31 |
| Hyundai Accent | 16 |
| Mitsubishi Mirage G4 | 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