2016 Kia Optima problems by component
750 owner complaints filed with NHTSA for the 2016 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 → | 423 | 56% | 90,500 mi |
| Electrical System → | 99 | 13% | 66,500 mi |
| Power Train → | 72 | 10% | 54,000 mi |
| Fuel/propulsion System → | 53 | 7% | 75,000 mi |
| Exterior Lighting → | 46 | 6% | 57,300 mi |
| Structure → | 40 | 5% | 34,000 mi |
| Visibility → | 30 | 4% | 70,000 mi |
| Vehicle Speed Control → | 29 | 4% | 41,916 mi |
| Engine and Engine Cooling → | 24 | 3% | 104,588 mi |
| Steering → | 24 | 3% | 35,168 mi |
| Air Bags → | 23 | 3% | — |
| Service Brakes → | 21 | 3% | — |
| Electronic Stability Control (esc) | 9 | 1% | — |
| Seats | 9 | 1% | — |
| Fuel System, Gasoline | 8 | 1% | — |
| Visibility/wiper | 8 | 1% | — |
| Forward Collision Avoidance | 5 | 1% | — |
| Wheels | 5 | 1% | — |
| Latches/locks/linkages | 3 | 0% | — |
| Seat Belts | 3 | 0% | — |
| Suspension | 3 | 0% | — |
| Back Over Prevention | 2 | 0% | — |
| Lane Departure | 2 | 0% | — |
| Service Brakes, Hydraulic | 2 | 0% | — |
| Tires | 2 | 0% | — |
| Hybrid Propulsion System | 1 | 0% | — |
| Other/i AM Not Sure | 1 | 0% | — |
| Traction Control System | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.