2025 Kia K4 problems by component
44 owner complaints filed with NHTSA for the 2025 Kia K4, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Electrical System → | 12 | 27% | — |
| Engine | 7 | 16% | — |
| Lane Departure | 7 | 16% | — |
| Power Train | 7 | 16% | — |
| Air Bags | 6 | 14% | — |
| Forward Collision Avoidance | 6 | 14% | — |
| Steering | 5 | 11% | — |
| Vehicle Speed Control | 4 | 9% | — |
| Back Over Prevention | 3 | 7% | — |
| Engine and Engine Cooling | 2 | 5% | — |
| Fuel/propulsion System | 2 | 5% | — |
| Service Brakes | 2 | 5% | — |
| Seats | 1 | 2% | — |
| Structure | 1 | 2% | — |
| Suspension | 1 | 2% | — |
| Tires | 1 | 2% | — |
| Wheels | 1 | 2% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.