Kia Optima Complaints (2016)

764 consumer complaints on file.

#11740798May 29, 2026
ELECTRICAL SYSTEM, POWER TRAIN, ENGINE
The Kia had a problem with the check engine light coming on and it gently went into limp mode. I had it repaired at Darlings Ford and it worked for about 600 miles. I had it repaired again and it worked for about 7,000 miles. The light recent came on and the car immediately hard banged andwent into limp mode. My wife was driving and shaking when she got home. The light went out and everything was fine. A couple of days later, on 5/27/26, we were on the interstate in traffic travelling 70 mph and it Violently hard bumped, the Cel came on and it went into limp mode. It was as if we hit deep pot holes with both front tires which we didn't as we were on a smooth highway. The light is still on and it's in limp mode.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11740644May 28, 2026
ENGINE
This vehicle is eligible for Theta II class action settlement, and I cannot seem to get the Kia dealerships, or the Kia Corporate to honor the engine failure issue that I was told by the AAA mechanic should have been replaced. I have also been told by others, including another mechanic at a nationally recognized mechanic that it needs to be taken care of, and that they had the same vehicle and had there's taken care of without any issues.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11739772May 24, 2026
ENGINE, UNKNOWN OR OTHER
While accelerating onto the highway in my 2016 Kia Optima 2.4L, the vehicle suddenly lost all engine power without warning. The vehicle would no longer accelerate and I was forced to coast and brake to safety. Immediately after the engine shut off, the check engine light, oil light, and battery light illuminated on the dashboard. After the incident, the vehicle would not restart or crank at all. The electrical systems, dashboard lights, and chimes still function normally, and the battery is new. The vehicle had proper oil level at the time of failure. No warning signs were present prior to the sudden loss of power. This failure created a serious safety hazard because it occurred during highway acceleration and left the vehicle unable to maintain speed or move out of traffic safely. Based on the symptoms and sudden engine shutdown, I am concerned this may be related to the known Theta II engine issues associated with Kia Optima vehicles.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11739444May 22, 2026
ENGINE AND ENGINE COOLING
The contact owns a 2016 Kia Optima. The contact stated that while operating the vehicle a knocking and rattling noise coming from the engine and the check engine light had remained illuminated. The vehicle was towed to the local dealer who informed that the engine had failed and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure but no assistance was offered. The failure mileage was 150,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11738585May 18, 2026
AIR BAGS, STRUCTURE:BODY, UNKNOWN OR OTHER
UNKNOWN THE AIRBAGS DIDN'T DEPLOY WHEN THE CAR HIT OTHER DRIVER FROM BEHIND.
Crash:
Yes
Fire:
No
Injuries:
1
Deaths:
0
#11738122May 15, 2026
ENGINE, POWER TRAIN, UNKNOWN OR OTHER
Issue 1: High oil consumption in the engine due to poor engine design, according to the auto repair center. 5 quarts of oil are added to the engine once every 2-3 weeks. All oil leaks were previously repaired, but oil is still burning off. Issue 2: The engine has misfired more than once, with a puff of smoke coming out of the exhaust. Issue 3: Twice in the past 1.5-2 years, multiple spark plugs have failed, causing a breakdown. This is a Theta II engine, but it is not in the class action settlement.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11736596May 8, 2026
ENGINE
I purchased a Kia Optima 2016, in December of 2025. At the time the car wouldn't go over 60 mph. I hauled the car to Kia to have it inspected. The Kia dealership informed me that there is a recall on that particular car for an engine replacement. They tested the car and later informed me that they believed I purchased the car knowing it had a recall and wanted the engine replaced for free so I could sell the car. The car is not for sale, and I had/have no intentions on selling the car. I went ahead and paid $6100 for the engine to be replaced. I later did research and learned that if a car has a recall, it doesn't matter my intentions with the car. I felt that Kia denied a replacement engine because of their opinion of me and not for the recall. The car is registered and insured in my name and is being driven daily. At this time, I feel that I deserve a refund of the $6100. Can you guide me on which steps to take on this matter?
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11733116April 22, 2026
STRUCTURE:BODY
I am submitting a defect complaint regarding the paint on my vehicle, which has been progressively deteriorating. The issue begins as small bubbles in the paint, which eventually lead to peeling and complete paint loss in affected areas. This condition is currently present on the trunk, roof, and rear sides of the vehicle, and early signs are now appearing on the hood. This defect is more than cosmetic. As the paint peels, it exposes the underlying metal panels to environmental elements, increasing the risk of corrosion and rust. Over time, this can compromise the structural integrity of the vehicle. Additionally, significant peeling—particularly on surfaces like the roof or hood—can create glare or release debris, posing a potential safety hazard and distraction to both myself and surrounding drivers. I initially brought this issue to a Kia dealership, where the manager advised me to contact Kia Customer Affairs. Upon doing so, I was informed that the issue falls outside the warranty timeframe. However, after speaking with other Kia owners experiencing similar problems—especially with the same paint color—it appears this may be a widespread manufacturing defect rather than normal wear and tear. Furthermore, a professional paint specialist evaluated the condition and indicated that the bubbling and peeling are consistent with poor paint adhesion or a defective clear coat/mid-coat application during manufacturing.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11732716April 21, 2026
ENGINE
The contact owns a 2016 Kia Optima. The contact stated that while driving 70 MPH, the check engine warning light illuminated. An independent mechanic was contacted. The vehicle was taken to an independent mechanic to be diagnosed. The contact was made aware of a misfire coming from the engine. The vehicle was not repaired. The manufacturer was notified of the failure but offered no assistance. The approximate failure mileage was 160,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11731973April 17, 2026
POWER TRAIN, ELECTRICAL SYSTEM
The car starts and drives with other keys in ignition
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11731430April 15, 2026
UNKNOWN OR OTHER
The Kias have been recalled for a failure to adhere the shark fin antenna. This has been recalled in some models. My 2016 has fallen off and is not on the recall list. Please include.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11731435April 15, 2026
UNKNOWN OR OTHER
For a second time, the window goes off the runner and will not operate. This happened to the drivers side window and the rear drivers side window. The only option is to return to the dealership and have the part replaced to allow the window to move up and down, This is a safety hazard and fails state inspection if the windows will not move up and down. This is a safety recall.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11731203April 14, 2026
ENGINE, SERVICE BRAKES
FOR THE PAST 3 YEARS, IVE BEEN HAVING PROBLEMS RELATING TO MY ENGINE BURNING OIL TO FAST, ENGINE SHAKING AND NOT ACCELERATING LIKE ITS SPPOSE TO... YOU HAVE A RECALL ON 2016 OPTIMAS BUT ONLY THE HYBRID (HEV). WHICH WE ALL KNOW ITS NOT RIGHT. WHY ONLY DO IT FOR CERTAIN OPTIMAS KNOWING WE ARE ALL (ALL OPTIMAS) ARE GOING THROUGH THE SAME THING!! SPENT THOUSANDS OF DOLLARS, IN AND OUT OF DEALERSHIPS AND AUTO SHOPS AND NOW IM MENTALLY DRAINED , UPSET, CONFUSED AND OVERALL FEEL MANIPULATED BY KIA... NICE CARS BUT DOES NOT KEEP ITS VALUE.. CAN SOMEONE FIX THIS PROBLEM
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11729768April 7, 2026
ELECTRICAL SYSTEM
My rear passenger side window would not go up or down & the motor would run when the button was pressed. That was in January 2026. Now April 2026, my driver's side rear window will not go up or down.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11727436March 27, 2026
ENGINE, FUEL/PROPULSION SYSTEM
Car is not holding oil it acts like it's gonna cut off while driving and it jerking was diagnosed with colitic converter p0604
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11727038March 25, 2026
VISIBILITY
The contact owns a 2016 Kia Optima. The contact stated that while driving approximately 45 MPH, there was loud banging sound coming from the vehicle and there were shards of glass on the right elbow of the contact. No warning light was illuminated. Upon further inspection, the contact stated that the sunroof glass panel had shattered outward. The local dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 24,500.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11723539March 11, 2026
ENGINE, ELECTRICAL SYSTEM, STEERING
I purchased a vehicle from Banter Auto here in Wichita, Kansas. I reviewed the Carfax beforehand and nothing stood out that scared me so I signed off and purchased the vehicle. I have had nothing but problems since buying which was 7 months ago and have spent $9000 on repairs. I’ve been told by several mechanics the last 5 times I’ve been in and out of mechanic shops it’s evident my car sat in deep water for a long period of time. I finally took it to an electrical auto specialist here in town and while he said it is evident my vehicle sat deep water for a period of time and while the corrosion hasn’t quite started to cause an electrical problem that it very well could down the road. I’ve given the man who owns the dealership and opportunity to make this right however he stopped responding. I believe that is illegal and I’ve been told it should’ve been a “flood title”. I will know for sure after seeing a I will know for sure after seeing an attorney this week. That was not disclosed to me or I would definitely would have not purchased the car. When I first got the car, the locks and windows were going insane flickering all over the place and Kia dealership told me it was quite crazy and nothing they had seen before, however, they were able to fix it. I strongly believe that when my car was flooded it caused something to happen that I’m only going to have to keep paying for overtime. I’m already in debt from the $9000 I’ve had to getting personal loans. This is causing me enormous emotional distress. Please help.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11723153March 9, 2026
POWER TRAIN, ENGINE
These cars have a known issue for burning oil the motor thats in my car was recalled for same issue but they are not trying fix my car under that recall of the bad motor that they did recall
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11722291March 5, 2026
ENGINE
2016 Kia Optima engine locked up, vehicle stalled on interstate,heard a rod bearing sound, left me in limp mode trying to get out the way of 18 wheelers traveling behind me. Towed into Kia dealership which confirmed the engine locked up which has a recall #PI1802B KSDS, but denied to cover it because I didn't have this recall done. I also called Kia Customer Service, they denied me too and just gave me a case #[XXX]. I explained to them that I never received notice of this recall. So how could I prepare for something like this to happen while traveling from Texas to Louisiana to visit my grand kids. The dealership gave me a Quote of $9735 for parts and labor, which I don't have, I am still making payments on this vehicle. Now I am stuck in Louisiana with my vehicle, also it's going to cost me even more to have it towed back to Texas. Please help me understand why the dealership won't stand behind a safety recall or what one person I spoke with called a campaign recall, which ever! That I never received notice about this recall. I hope the "President" or the "President of the Company" will step up and help, after all we as Citizens don't have a problem spending our hard working money on purchasing these vehicles from the dealerships, to have things like this to happen out of our control. Thanks for at least Listening. GOD BLESS...INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11721839March 3, 2026
ENGINE
Engine oil light doesn’t work. Oil light flashed a couple of times in separate instances. Checking oil dip stick which smells like burning oil and dip stick hardly showed any oil left.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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