2003 Kia Optima problems by component
141 owner complaints filed with NHTSA for the 2003 Kia Optima, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Latches/locks/linkages → | 53 | 38% | 90,000 mi |
| Electrical System → | 25 | 18% | 78,769 mi |
| Structure → | 25 | 18% | 114,993 mi |
| Air Bags → | 17 | 12% | 60,000 mi |
| Suspension | 9 | 6% | — |
| Power Train | 8 | 6% | — |
| Engine and Engine Cooling | 7 | 5% | — |
| Fuel System, Gasoline | 7 | 5% | — |
| Visibility | 5 | 4% | — |
| Exterior Lighting | 3 | 2% | — |
| Fuel/propulsion System | 3 | 2% | — |
| Service Brakes, Hydraulic | 3 | 2% | — |
| Engine | 2 | 1% | — |
| Equipment | 2 | 1% | — |
| Fuel System, Other | 2 | 1% | — |
| Steering | 2 | 1% | — |
| Vehicle Speed Control | 2 | 1% | — |
| Electronic Stability Control (esc) | 1 | 1% | — |
| Seat Belts | 1 | 1% | — |
| Service Brakes | 1 | 1% | — |
| Tires | 1 | 1% | — |
| Wheels | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.