DRIVING ON FREEWAY THE CAR SHUT OFF WILL NOT START, INDICATING LIGHT AREN'T REPORTING ANY PROBLEMS
2015 kia Optima engine problems
severe 445 complaints filed with NHTSA · avg repair $3,100
Complaints
445
Recalls
0
Crashes
4
Avg fix
$3,100
What owners are reporting 11 most recent
Granddaughter driving car, when car starting running erratic. Made it home and I check it and car was knocking and would not run over 30 mph. Engine light was flashing, changed oil myself and found medal particular in oil and filter. Motor is no longer safe to drive. Only has 122,000 miles. Engine was running fine up till this point.
I am writing because my vehicle was a waiting list for months since September 2020 in Mobile, AL at Dean McCrary Kia. I called daily to check the status of my vehicle. I took extended lunch breaks to check on my status of the waiting list. The customer service representatives told me my name remained in the same place for weeks on the waiting list, each time I inquired, due to them having only one…
As I was driving in the fwy I hear noise and exit to check what was wrong. No lights or warning of what the issue might be. Turned off the car open the hood of the car and saw nothing wrong with it I turned it back on and the noise went away. About 2 week after I was exiting the fwy and the engine light turned on. Engine start making noises
The contact owns a 2015 Kia Optima. The contact stated while her son was driving approximately 60 MPH, several unknown warning lights illuminated. The contact was informed by her son that the vehicle was losing motive power. The contact stated that while her son was pulling the vehicle over to the side of the highway the vehicle stalled. The contact stated that her son attempted to restart the veh…
Car was being driven and out of nowhere engine seized up without my prior warning lights, sounds, or issues. I took it to an independent reputable shop who confirmed the seizure which they admitted was a known problem with these theta Kia engines. Thankfully I was not On a heavily trafficked road so no accidents were caused.
On November 24th, 2021 I was merging onto a busy expressway when everything on my dashboard started flashing and the car shut down. There was absolutely no warning that the engine had no oil. No smell , no engine knocking sounds, no oil low light, no check engine light prior too it happening. It was towed to the nearest mechanic and they confirmed the engine was locked up. There was absolutely no …
VEHICLE SUDDENLY STOPPED WHILE TRAVELING ON HIGHWAY FROM MISSISSIPPI TO PENNSYLVANIA, WHEN VEHICLE STOPPED THERE WAS NOT ANY OIL IN THE CAR. MY SON HAD IT TOWED TO NEAREST WALMART, PURCHASED 3 QUARTS, AND CONTINUED. FOUR HOURS DOWN THE ROAD VEHICLE STOPPED WHILE I WAS DRIVING.HEI WAS CLOSE TO BIRMINGHAM AROUND 11 AT NIGHT. HE STAYED ON THE SIDE OF THE HIGHWAY UNTIL MORNING CALLED A TOW TRUCK AND T…
I bought a 2015 Kia optima in February of 2023. In October the engine completely seized with zero warning. The vehicle was always properly serviced while in my possession. The engine seized and the car went into limp mode during the first snow storm of the year on one of the deadliest mountain passes of North Idaho. I, a young woman, was stranded almost an hour outside of town on the side of a fre…
The contact owns a 2015 Kia Optima. The contact stated that the check engine warning light was illuminated for several weeks. The contact took the vehicle to an independent mechanic who was unable to diagnose the cause of the failure. The contact stated while driving 65 MPH and approaching a traffic light, after depressing the brake pedal the vehicle began to stall. The contact stated that the che…
Common questions
How serious is the engine problem on the 2015 kia Optima?
It's a meaningful issue. 445 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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