NHTSA Complaint #11713215 — 2020 KIA OPTIMA

ENGINE issue reported to NHTSA

Check any vehicle history by VIN - Free vehicle history report

Complaint Details

ODI Number	11713215
Vehicle	2020 KIA OPTIMA
Component	ENGINE
Date of Incident	September 10, 2024
Date Filed	January 25, 2026
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	NH

Consumer Description

Engine has been burning oil for at least a year now. Cause ignition coil/spark plug failure and have replaced all 4 coils and plugs 3 times now within a year. Engine will randomly start to sputter after about 3-5 months of replacement. Adding a quart of oil every 1-2 weeks. No leaks and no smoke, just money down the drain.

Related Complaints for the 2020 KIA OPTIMA

Other ENGINE Complaints

#11714482 — January 30, 2026 — The contact owns a 2020 Kia Optima. The contact stated that the vehicle was sputtering and vibrating abnormally while...

#11713970 — January 28, 2026 — I’ve been told by multiple Kia dealerships that my Kia needs a new engine however I am barely outside of their class ...

#11713294 — January 26, 2026 — I took my vehicle to the dealership in Chantilly, VA on May 17, 2025. On July 24, 2025, I discovered that my vehicle ...

#11709712 — January 8, 2026 — While driving, the vehicle experienced a sudden loss of engine power and entered limp mode. The check engine light be...

#11706800 — December 23, 2025 — Took to Kia for engine burning excessive oil. They determined the cylinder wall was scorched due to piston ring. Th...

Recent Complaints for the 2020 KIA OPTIMA

#11715952 — AIR BAGS — February 5, 2026 — Stable track control failed to work, the driver seatbelt did not tighten & stayed loose, & air bags did not deploy up...

#11715952 — SEAT BELTS — February 5, 2026 — Stable track control failed to work, the driver seatbelt did not tighten & stayed loose, & air bags did not deploy up...

#11715952 — UNKNOWN OR OTHER — February 5, 2026 — Stable track control failed to work, the driver seatbelt did not tighten & stayed loose, & air bags did not deploy up...

#11714482 — ENGINE AND ENGINE COOLING — January 30, 2026 — The contact owns a 2020 Kia Optima. The contact stated that the vehicle was sputtering and vibrating abnormally while...

#11708981 — AIR BAGS — January 5, 2026 — I purchased in July 2020, from sept 2020 I've had it at the dealership with shuddering, stalling and loss of accelera...