Kia Optima Complaints (2018)
244 consumer complaints on file.
- #11605073July 29, 2024ENGINE
The contact owns a 2018 Kia Optima. The contact stated while driving 20 MPH, the vehicle hesitated upon depression of the accelerator pedal with the check engine warning light illuminated. The contact continued to drive the vehicle however, the vehicle failed to accelerate above 40 MPH and was shaking abnormally. The vehicle was not diagnosed or repaired. Neither the dealer nor the manufacturer was notified of the failure. The failure mileage was 132,378.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11604993July 28, 2024SERVICE BRAKES
Driver side brake light will only work with headlights off. Turn headlights on and it goes out and doesn't start to work until turning off headlights. Also brakes give out when trying to stop, you have to actually shift to neutral for brakes to work again.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11602764July 16, 2024ENGINE
Have completed 4 oil consumption tests and replaced knock sensor and now have knocking in the engine
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11597470June 28, 2024ENGINE
Engine continuously stalls,while driving in both city and hight way. I have taken it in while under warranty and am told that's just how the car runs. Sudden jerks / seizure will happen while driving. since I haven't gotten the vehicle it happens at min 15mph or on the freeway at 65 mph. It is stalls at all mph .
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11596313June 24, 2024UNKNOWN OR OTHER
Sudden loss of acceleration at freeway speed. Unable to start after incident. Unknown cause. Shop unable to diagnose.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11595516June 20, 2024ENGINE
Took my vehicle for an oil change next day my vehicle was not working well stopped on me could start didn’t want to do damage so I stopped driving and had it told to a shop found out there is METAL IN THE ENGINE
- Crash:
- Yes
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11593109June 7, 2024ENGINE
Code P-030300 was detected when doing a diagnostic on my car when the check engine light came on. It is a cylinder 3 misfire. When the car comes to a idle the car starts to shake roughly. I took it to the KIA dealership I bought the car from and they told me I would need a new engine and not to drive it.Thankfully nothing bad happened while my baby was in the car. I drove it home and stopped driving it completely once the issue occurred.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11591444May 30, 2024ENGINE
Oil consumption issue. My mechanic referred me to Kia because oil consumption. I would bring car in because oil light and no oil in car and had oil change only 1000 miles. Kia did 2 checks one at 1000 miles and one at 500 miles and oil consumption failed both times. Now I have to pay $686 for oil combustion cleaning even though I am being told this is more than likely going to have engine replaced by Kia because of known issues,
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11590383May 23, 2024ENGINE AND ENGINE COOLING
The contact owns a 2018 Kia Optima. The contact stated that after starting the vehicle, there was an abnormal amount of smoke coming from the exhaust pipe. The contact inspected the dipstick and discovered that the engine oil level was low. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 60,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11590203May 22, 2024ENGINE AND ENGINE COOLING
The contact’s sister owns a 2018 Kia Optima. The contact stated that the vehicle was consuming an excessive amount of engine oil. The contact stated that engine oil needed to be added every 2-3 weeks. The contact stated that an unknown warning light was illuminated. The vehicle received an unknown repair; however, the failure persisted. The vehicle was taken to the dealer and was diagnosed with valve cover gasket failure. The valve cover gasket was replaced however, the failure persisted. The failure persisted and the vehicle was taken to an independent mechanic where it was discovered that there was an oil leak as well as there was excessive oil consumption. The independent mechanic stated that the engine might need to be replaced; however, a diagnostic result was not confirmed. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The failure mileage was 98,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11584615April 22, 2024ENGINE
It started with the car using oil but the mechanic could not determine where the oil was going. It quickly lead to the Cadillac converter going out with a host of other things that cost me over $2900 to fix. Which only lasted a few weeks and the last incident occurred when I was on my way home and it would not pick up speed at all and would stall. The first time it happened I was on the free way and it lost speed almost causing a semi to run into the back of me. The second time I was at a red light and when I tried to accelerate in speed and it stalled and then began to jerk before it would pick up speed. Each time the occurrence happened it placed my life as well as my families life in danger as it was sudden with no engine light or any other lights coming on. The last time it happened it left me stranded with a child, over 2 hours from home and in the middle of the night on isolated highway. Every time I would call KIA they would give me the run around on the issue and say it was due to my negligence but I beg to differ as I feel as if it is an engine error on the manufacturing. Please help. Currently the car is sitting in my yard and I can not afford to keep paying for repairs due to a faulty engine that they refuse to fix.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11583365April 16, 2024ENGINE
My 2018 Kia Optima experienced an oil consumption issue. After awhile out of nowhere my vehicles oil light kept coming on. There was zero oil in my garage. Unbeknownst to me It was burning oil due to this oil consumption issue.I took it to multiple mechanics all which told me that this issue is a known issue and would eventually blow the engine, which is exactly what happened. I reached out to Kia in person via dealerships over the phone via their consumer line and they went out of their way to tell me all the reasons why they could not replace the engine. I have spent enormous amounts of money on rental cars and Ubers and Lyfts to get to work or appointments just to Because of this issue . I was referred to this organization by the Ga consumer bar help line.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11578952March 22, 2024ENGINE
Indiana - car in reverse in driveway and started shaking. I turned car off and back on and it drove normally. The next day, I put the car in reverse and the shaking started again and check engine light illuminated. This car has a history of burning oil and we constantly have to add oil between oil changes. Car is at Andy Mohr Kia dealership at this time where we were told that engine would not be covered by Warranty because we are second owners. Mileage of car is 62,000 miles.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11575441March 5, 2024UNKNOWN OR OTHER, ELECTRICAL SYSTEM
In case of a vehicle lockout and keys are locked in the trunk when car is opened by locksmith there is no way to unlock the trunk from inside of the car the locks become disabled and you have to reset the master switch very inconvenient for emergencies. There is no trunk release or emergency Button to open the trunk from inside the vehicle. 2018 kia optima lx
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11573686February 23, 2024ENGINE
My vehicle is constantly running out of oil within a 30 day period and I constantly getting an oil change. I was advised to get an oil consumption test at the dealer and was out of oil in 3 weeks. I was told that I have a warranty, however, it's only if the rod bearings are an issue. I think my engine should be replaced without paying a $300 diagnostic fee that might get refunded without an exact time frame.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11570807February 8, 2024ENGINE
My engine started leaking oil from the inside and all of a sudden my car started shaking out of nowhere
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11570857February 8, 2024ENGINE AND ENGINE COOLING
The contact owns a 2018 Kia Optima. The contact stated while driving approximately 40 MPH, the vehicle was losing motive power. The contact stated that there were no warning lights illuminated. The contact stated that the vehicle stalled. The contact was able to stop; however, after numerous attempts to restart the vehicle, the contact had the vehicle towed to the residence. The vehicle was later towed to a local dealer who inspected the vehicle and determined that the engine had seized and needed to be replaced. The contact stated that prior to the stall, the vehicle had been consuming an abnormal amount of engine oil. The contact stated that he was adding a quart of oil every week. The vehicle was not repaired. The manufacturer was informed of the failure. The contact researched online and related the failure to NHTSA Campaign Number: 17V224000 (Engine and Engine Cooling). The failure mileage was approximately 82,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11568088January 26, 2024ENGINE
I have had this car in the shop multiple times for a engine light that kept coming on, they would reset and say they couldn't see anything wrong. Well my car died in Dec, it made a noise and would not accelerate. To avoid any further issues I parked it and had it towed to a dealership. They told me the catalytic converter had come apart taking out the turbo and it would cost me $6k to fix. I decided to see if i could find parts cheaper, to find no one anywhere in the US or Canada has a converter for this car and it seems many dealerships have customers on waiting lists to get one, so I am now wondering if this is in fact a pretty large problem Kia is not addressing. I called Kia and got a very canned answer that parts were hard to come by right now and it could be up to 2 years to get the part. So I am now paying for a car i cannot drive and have no idea at this point if I will ever be able to drive it. i am hoping you are able to do some research to see if this is a bigger problem that nobody seems to be talking about. thank you
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11566222January 18, 2024ENGINE
The contact owns a 2018 Kia Optima. The contact stated that the vehicle was experiencing abnormal oil consumption. The contact stated that on one occasion, 3 quarts of oil were added to the vehicle after less than 1,000 miles of driving. The vehicle was taken to the dealer who initiated an oil consumption test. The vehicle was taken back to the dealer twice after 1,000 miles; however, upon returning to the dealer the third time, the dealer informed the contact that they could not complete the oil consumption test because the vehicle had been driven 1,200 miles. The dealer initiated another oil consumption test. The contact stated that the local dealer was 45 miles away from his residence, which made it difficult to complete the oil consumption test. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 88,000.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0
- #11564960January 11, 2024ENGINE
1- My 2018 Kia Optima engine seized while driving on interstate 64 West -Had the car towed to a mechanic (J TEAM AUTO REPAIR) and was told me to contact kia because after replacing the spark plugs and coils and knock sensor there was still no compressing in cylinder 4. My life and safety was at risk when my engine blew out on the interstate. When I went to Kia Dealership they confirmed that my VIN number was included in the recall and in the class action lawsuit. customer support told me since I wasn't the first owner of the car they weren't required to honor the recall -I asked why I was never informed they told me I bought the car as second owner my 60,000 warranty has expired and the extended warranty for engine doesn’t cover compression issues - its stated on the NHTSA website that they are required to send notices to all owners.When I contacted (Escalation Case specialist) with this information they said the extended warranty only covers the rod bearing connectors, and not compression. Completely contradicting the first call I had with another employee at Kia. Kia is deliberately keeping people in cars with engines that were manufactured improperly. I had the KSDS update-It takes more than reading engine codes to get to the bottom of things. Compression is part of the engine block. Prior to the Engine failure, my Kia Optima, was constantly burning oil.
- Crash:
- No
- Fire:
- No
- Injuries:
- 0
- Deaths:
- 0