Kia Optima Complaints

7,843 consumer complaints on file.

#11690341September 29, 2025
ENGINE
My engine recently sustained damage. Although my vehicle’s VIN is listed in the affected recall range, I never received any safety recall notification. I purchased the car in January 2024 while the KSDS recall was still active, yet no one informed me of the recall at the time of sale and I have received no updates since.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11690169September 28, 2025
ENGINE
The engine of my 2018 Kia Optima is burning oil. When it started, I had 72,000 miles, and it's burning one quart of oil every thousand miles. There is no oil leak. I will take it back to Kia on October 2, 2025. The mechanic reported that it has an internal engine issue.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11690223September 28, 2025
STRUCTURE:BODY
We have the Arctic Snow white color on our Kia. The paint began peeling shortly after our purchase in 2016. It has continued to peel throughout the entire time we have owned the vehicle.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11690228September 28, 2025
ENGINE, ELECTRICAL SYSTEM, UNKNOWN OR OTHER
I was driving the vehicle home on the freeway after just buying it. I had only driven it for about 35-40 minutes and after 5 minutes the ev battery was drained completely and the car was running in hybrid mode. The vehicle suddenly lost all its power and a warning light came on flashing saying "check hybrid system turn off engine". I was forced to put on my emergency lights and quickly move over to the side of the freeway because the car lost so much power so quickly. It felt like the engine died and when i tried hitting the gas the vehicle would jerk. ONCE I got to a safe spot on the freeway. I called AAA to get a tow, then called the dealer to tell them. My wife and I have now checked the recalls for this car and all the customer complaints. There seems to be a similarity with the engine recall and or the hybrid electrical recall. It seems like Kia is making sure to cover its tracks with the cars so it doesn't have all the 2017 models in the recalls affecting the hybrid system as well as the defects with the engine components. There is definitely a problem. But i saw in the carfax that the vehicle was inspected a lot by KIA and that is why i would like it to get inspected by a 3rd party. I would like to get the vehicle inspected by a 3rd party before taking it to a KIA dealer but I don't have a lot of money. Can you help with this at all. Please contact me asap. You have the Vin. I told you I just bought the car so I am going to either see if the dealership I bought it from will fix the problem since it broke down the day I bought it. You should be able to see we bought the car from by looking at the carfax for the Vin. And you have my permission to also be able to get my phone numbers from that dealer I really don't think KIA should get away with these hybrid/engine problems with the car. Its very unfair to the consumers. If they as a manufacturer and dealerships are doing quick fixes when doing regularly scheduled maintenance. Thats unethical.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11690064September 27, 2025
ENGINE
I was driving and my car stopped running took it to the dealership find out. It has a recall never got a recall letter because I wasn’t the first owner and now they refuse to fix my car.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689846September 26, 2025
ENGINE AND ENGINE COOLING
The contact owns a 2015 Kia Optima. The contact stated that while his son was driving at 60 MPH, the instrument panel was entirely illuminated, and he pulled over. There was smoke inside the cabin. The occupants were able to exit the vehicle. An independent mechanic opened the hood and noticed a fire. They were able to extinguish the fire. The vehicle was towed to the local dealer, where it was diagnosed that the drive belt had failed and had broken. There was friction from the drive belt, which caused the fire. The vehicle was not repaired. The manufacturer was contacted, who opened a claim. The manufacturer had called the contact, but no further assistance was provided. The approximate failure mileage was 114,000.
Crash:
No
Fire:
Yes
Injuries:
0
Deaths:
0
#11689876September 26, 2025
ENGINE
The engine in my 2015 Kia Optima Hybrid failed due to a known defect with the 2.4L engine used in Kia and Hyundai vehicles. The vehicle suddenly quit running and has been inoperable since. Prior to failure, the car had exhibited knocking noises and loss of power. This placed my safety at risk as the vehicle stalled unexpectedly and could have caused an accident if it occurred in traffic. The failure has been confirmed by an independent mechanic, who diagnosed the engine as needing complete replacement. Kia has refused to cover the repair, stating that the vehicle is past the extended warranty mileage, even though the issue is consistent with widely reported manufacturing defects on this engine family. The engine is still available for inspection, and there were no warning lights before the sudden failure. This problem has been widely reported by other Kia owners but my vehicle’s VIN is not included in the current recall campaign, leaving me with a non-functional vehicle despite the same defect.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689950September 26, 2025
ENGINE, FUEL/PROPULSION SYSTEM, POWER TRAIN
The car is burning oil rapidly causing potential issues with the transmission and engine. The oil burns and does not leak after a few hundred miles and has to be refilled continuously causing alot of money and potential issues with other components of the car. I notice jerking when accelerating and smoke if dont fill every 1 to 2 weeks.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689722September 25, 2025
SERVICE BRAKES, ELECTRICAL SYSTEM
ABS system failing
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689769September 25, 2025
AIR BAGS, STEERING, SERVICE BRAKES
What component or system failed or malfunctioned, and is it available for inspection upon request? The defects involve multiple electronic control systems, including steering, braking, and airbag modules, which continue to generate active and stored Diagnostic Trouble Codes (DTCs) even after the May 2, 2023 recall repair. The vehicle remains in our possession and is available for inspection upon request. 2. How was your safety or the safety of others put at risk? Because the vehicle fails to illuminate dashboard warnings, we were unaware of critical malfunctions occurring in real time while driving. This creates the risk of sudden failure in steering, braking, or airbag deployment, directly endangering both occupants and the public. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. Independent diagnostic scans repeatedly confirmed active and stored DTCs following the recall repair. These findings show the defects are reproducible and ongoing. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives, or others? The vehicle was inspected by Kia’s authorized dealer, Spradley Motors in Pueblo, CO, for the recall repair. Since then, diagnostic evaluations have been performed by independent service providers. Documentation of these inspections is attached. 5. Were there any warning lamps, messages, or other symptoms of the problem prior to the failure, and when did they first appear? No dashboard warning lamps illuminated, even though faults were recorded internally by the vehicle’s control modules. The absence of warnings despite active codes is itself the central safety issue. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11689362September 24, 2025
ENGINE, FUEL/PROPULSION SYSTEM
On Sunday, September 21st, 2025, my 2013 Kia Optima EX suffered sudden catastrophic engine failure while driving on the highway. The check engine light was flashing, the car misfired badly, lost complete power, and became unsafe to operate. The vehicle was then towed to Wagner Kia of Shrewsbury, MA. On Monday, September 22nd, Kia diagnosed the engine with holes in the intake valves (Cylinder 3) and multiple misfire codes (P2191, P0272, P0301, P0304, P0172, P0303). The dealership documented that major engine repairs would be required, including two intake valves, two exhaust valves, valve cover gaskets, hraf bolts, two ignition coils, and a valve job. This sudden engine failure created an immediate safety risk of stalling or losing power while in motion, which could have led to an accident. Despite Kia’s history of Theta II engine recalls and settlements, my VIN is not included, leaving this major engine defect unaddressed. I am requesting that NHTSA investigate and consider expanding Kia’s existing engine recalls to cover this engine failure, as it represents a serious safety issue consistent with Kia’s documented engine problems.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689570September 24, 2025
ENGINE
The contact owns a 2015 Kia Optima. The contact stated that while driving at 35 MPH and attempting to accelerate, the vehicle entered LIMP Mode, lost motive power, and was unable to accelerate above 30 MPH. The contact was able to pull over to the shoulder of the roadway to turn off the vehicle; however, the vehicle failed to restart. Several unknown warning lights were illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the engine. The contact was informed that the engine needed to be replaced, and the repair could not be covered by the manufacturer because the vehicle had not received the Knock Sensor Detection System (KSDS) ECU upgrade (PI2002D) prior to the failure. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 58,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689592September 24, 2025
ENGINE
The oil consumption is burning at a faster rate than normal. My oil changes are always on time but for months I have been having to take it for an oil change about 2,000 miles below mileage time. I have had it inspected but found no oil leaks. This is a major problem for the engine and safety.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689112September 23, 2025
UNKNOWN OR OTHER
In 2024 the window regulator went in the drivers side back window costing me $700 and on 9/22/2025 the drivers side front window regulator just went costing me another $700. I see many are having this issue but no recall
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689168September 23, 2025
ENGINE
The contact owns a 2015 Kia Optima. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. There was no warning light illuminated. The vehicle was not able to restart. The vehicle was towed to the residence. The dealer was not contacted. The vehicle was diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 127,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689278September 23, 2025
STRUCTURE:BODY
Paint is failing due to improper preparation during production. The vehicle is available for inspection if requested. The paint was inspected by licensed and lifetime collision repair specialist. Paint can not simply be touched up. Entire car needs stripped to bare metal and repainted to fix issue. Other manufacturers have had recalls for this same issue. Why has Kia not been held accountable for this?
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689077September 23, 2025
ENGINE
Engine blew up. Was burning oil since I got it, only had it for 6k miles. It started knocking at some point so I stopped driving it and was gonna take it to the dealership n get it repaired since tbat shouldve been fixed by SC147 but the engine blew on the way to the dealership. It happened on a very main road, and I couldnt get my car fully out of the way of traffic due to it making an abrupt stop shortly after the engine blew up. We had to call a towtruck and a police officer due to how busy the road was, and there was a good fresh 5 quarts of oil spilt all over the ground, on a main road. The dealership is saying they're trying to deny my warranty since the engine passed their test & I do my own oil changes but I have perfect documentation of each oil change, including date, miles, oil weight & volume, even the amount the car burnt in that period. I called kia consumer affairs, they said I dont even have a warranty because I didnt get the knock detection sensor upgrade done, and they wont do SC147 past engine failure. The dealership said themselves my engine is shot.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11689026September 22, 2025
ENGINE
Engine seized and stopped working. While I could not find any recall information based on the VIN, it is a 2018 Kia which was subject to the Kia Engine Settlement (In re: Hyundai and Kia Engine Litigation , No. 8:17‑cv‑00838‑JLS‑JDE and Flaherty v. Hyundai Motor Company, et al. , No. 18‑cv‑02223 (C.D. Cal.)). Was never notified of such settlement as the VIN would have triggered this notification by Kia but they obviously did not list this in the recall.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11688705September 21, 2025
ENGINE, FORWARD COLLISION AVOIDANCE: WARNINGS, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
What component or system failed or malfunctioned, and is it available for inspection upon request? Engine failure. I’ve been reporting engine stalling since around 34,000 miles or so I purchased the car and immediately had battery issues before 25,000 miles as well. While I was driving on the road the engine stalled about 34,000 miles with me and my pregnant daughter in the car. The seatbelts jerked. The car stuutered and shut off and every light on the dashboard went insane. I purchased the car with 34 miles on it. Now…fast forward I’ve been having the car engine check, consumption oil tests performed and more since 60xxx miles or so. I’ve done everything that I’m supposed to do with returning the car for testing and every time I’m told I just need to wait until the engine fails. They clean the engine up make it look pretty after the second test and run some cleaner through then I’m back in a couple of weeks to months for the same thing. The engine valve cover has been replaced many times, spark plugs keep going out, and a ton more engine work that was done under warranty. Brain the service man told both me and my husband it’s what we have TJ deal with, at Suntrup, and doesn’t matter if I’m driving or not wait until the engine blows before Kia can replace the full engine. He said if you’re outta warranty that’ll be your issue. Well when I talked to Kia they said I better not drive it that way, with no oil in the car regardless how it’s brining and keep taking it in. But Bryan every time seems to not want to deal with it. Test after test and he said i just need TJ fault before we replace it. The service department has deemed this a bad engine ever trip. But I’m told it MUST PASS KIA TEST. However, I’m 7,000 miles outta warranty now and I’m praying they cover it because I did everything I’m supposed to do. I have every record however, Lou Fuze has failed to reproduce my records and I’ve requested them by text many times.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11688408September 19, 2025
SERVICE BRAKES, ELECTRICAL SYSTEM, VEHICLE SPEED CONTROL
While in park and driving the instrument panel will show, "Check Brake" and "Hybrid System Warning! Safely Stop and Do not Drive". This is accompanied by the engine not responding to the gas pedal. The brake pedal will also loose pressure and once pushed the brakes will lock up making a grinding noise. The problem has not been able to be duplicated by the dealer. However there are multiple forms and online communities dedicated to try to resolve this issue since it's so prevalent. This issue causes a major saftey hazard as the car comes to a grinding halt and does not respond to the driver. From online sources it seems the problem is prevalent across years and models and only tied to hybrid vehicles.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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