NHTSA Complaint #11652695 — 2018 KIA OPTIMA

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11652695
Vehicle	2018 KIA OPTIMA
Component	ENGINE
Date of Incident	January 12, 2025
Date Filed	April 3, 2025
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	VA

Consumer Description

Kia is aware of the engine oil consumption causing misfires, failed emissions test, blowing a rod and engine lock up. THEIR SOLUTION WAS A CLASS ACTION LAWSUIT THAT STATE ONCE THE CAR IS LOCKED UP OR ROD HAS BLOWN THROUGH THE ENGINE THEN THEY WILL FIX IT. I have had to replace the spark plugs multiple times in last 12 months due to misfires while driving. I HAVE BEEN TOLD BY THE DEALER THAT THEY CANT DOING ANYTHING TO HELP EVEN THOUGH THEY ARE AWARE THEY SUGGEST THAT I DRIVE WITH NO OIL AND LOCK THE ENGINE UP EVEN THOUGH IT COULD CAUSE A CRASH. MY LIFE SHOULD NOT BE PUT IN DANAGER FIRST IN ORDER FOR THEM.TO FIX THE ENGINE.

Related Complaints for the 2018 KIA OPTIMA

Other ENGINE Complaints

#11710029 — January 9, 2026 — It started with the oil. I constantly have to add oil. when it first started that’s what I was doing just adding oil....

#11709575 — January 8, 2026 — I turned the car off, it had difficulty turning back on and the brake pedal got really hard. I had to wait about 30-4...

#11709524 — January 7, 2026 — I was sold an unsafe vehicle at J and J Auto house 6446 Wilshire Bl LA,CA 90022. Dealer withheld condition of car . ...

#11706817 — December 23, 2025 — My engine is under the Kia class action lawsuit for the KDS with the rod bearing clearance issues. I have done all my...

#11704303 — December 10, 2025 — While driving my 2018 Kia Optima S, the car suddenly jerked, lost power, and stalled in traffic. Multiple warning lig...

Recent Complaints for the 2018 KIA OPTIMA

#11710029 — UNKNOWN OR OTHER — January 9, 2026 — It started with the oil. I constantly have to add oil. when it first started that’s what I was doing just adding oil....

#11709575 — ELECTRICAL SYSTEM — January 8, 2026 — I turned the car off, it had difficulty turning back on and the brake pedal got really hard. I had to wait about 30-4...

#11709575 — SERVICE BRAKES — January 8, 2026 — I turned the car off, it had difficulty turning back on and the brake pedal got really hard. I had to wait about 30-4...

#11709524 — ELECTRICAL SYSTEM — January 7, 2026 — I was sold an unsafe vehicle at J and J Auto house 6446 Wilshire Bl LA,CA 90022. Dealer withheld condition of car . ...

#11709524 — UNKNOWN OR OTHER — January 7, 2026 — I was sold an unsafe vehicle at J and J Auto house 6446 Wilshire Bl LA,CA 90022. Dealer withheld condition of car . ...