NHTSA Complaint #11549514 — 2018 KIA OPTIMA

ENGINE issue reported to NHTSA

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Complaint Details

ODI Number	11549514
Vehicle	2018 KIA OPTIMA
Component	ENGINE
Date of Incident	June 29, 2023
Date Filed	October 11, 2023
Mileage	N/A miles
Crash	No
Fire	No
Injuries	0
Deaths	0
Vehicle Towed	No
State	TX

Consumer Description

Excessive Oil consumption. Manufacturer specs 1 quart of oil to every 1000 miles to be added. I'm adding 1 quart for every 500 miles. Advised kia and had oil consumption test and was told nothing is wrong. I am having to add extra oil 0so engine does not seize causing a safety issue for people in car. The car randomly spits smoke out.

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...

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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 . ...