One problem related to engine clicking and tapping noises has been reported for the 2018 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Kia Motor Optima based on all problems reported for the 2018 Optima.
Loud ratteling when cranking, continuous ratteling when accelerating under driverside floor board made a clunk sound when applying brakes and now its like a sliding sound before it catches brake.
| Engine And Engine Cooling problems | |
| Check Engine Light On problems | |
| Engine Clicking And Tapping Noises problems | |
| Engine Burning Oil problems | |
| Engine Stall problems | |
| Car Stall problems |