2012 Kia Optima problems by component
919 owner complaints filed with NHTSA for the 2012 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 |
|---|---|---|---|
| Engine → | 398 | 43% | 102,500 mi |
| Steering → | 188 | 20% | 60,000 mi |
| Electrical System → | 122 | 13% | 80,000 mi |
| Power Train → | 54 | 6% | 80,643 mi |
| Service Brakes → | 52 | 6% | 65,000 mi |
| Air Bags → | 48 | 5% | 84,000 mi |
| Fuel/propulsion System → | 42 | 5% | 80,000 mi |
| Vehicle Speed Control → | 40 | 4% | 74,500 mi |
| Structure → | 39 | 4% | 52,400 mi |
| Service Brakes, Hydraulic → | 35 | 4% | 130,000 mi |
| Exterior Lighting → | 31 | 3% | 93,500 mi |
| Engine and Engine Cooling → | 19 | 2% | 132,000 mi |
| Suspension → | 18 | 2% | 61,500 mi |
| Visibility → | 16 | 2% | 44,000 mi |
| Visibility/wiper → | 13 | 1% | 48,000 mi |
| Fuel System, Gasoline → | 12 | 1% | 100,014 mi |
| Electronic Stability Control (esc) → | 11 | 1% | — |
| Seats | 8 | 1% | — |
| Wheels | 8 | 1% | — |
| Tires | 7 | 1% | — |
| Seat Belts | 5 | 1% | — |
| Equipment Adaptive/mobility | 2 | 0% | — |
| Latches/locks/linkages | 2 | 0% | — |
| Equipment | 1 | 0% | — |
| Firerelated | 1 | 0% | — |
| Forward Collision Avoidance | 1 | 0% | — |
| Interior Lighting | 1 | 0% | — |
| Service Brakes, Air | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.