2016 Kia Optima Complaint Log

Engine failed at 52.350 miles due to excessive oil consumption confirmed by a Kia dealership. Car was driving fine on 5/1/25, on 5/2/25, car started to stall with loud clicking noise, and wouldn't move fast, which then activated the check engine light.

MDPS failing when driving randomly. Steering locks up and vehicle is uncontrollable, while the vehicle is moving. This has occurred at varying speeds, while turning and while driving straight. Dealer has unsuccessfully got the issue to replicate, but independent service center was able to replicate it and found the extended warranty and recommended dealership visit since issue is covered. Vehicle has been inspected by dealership and the first recommended battery replacement, but this did not remedy the issue. EPS warning light is illuminated while issue is occurring but due to safety, car needs to be restarted to gain control of the vehicle and light turns off.

While driving vechile shakes violently between 35-45 mph. I was informed the right axle needed replacement. There is a recall for 2016 optima axle replacement but Kia says my car doesn’t fall under it even though is the exact issue as the recall.

A month in after purchasing the check engine light came on. My car did not want to accelerate, started shaking and having jerking movement while driving on the freeway with my newborn and 3 other children in the car with me. Got stranded 3 hours away from home. Car has been in the shop going on 30 days. Spark plugs changed, coolant thermostat changed and now the engine was reported that it has failed. Still in the shop currently.

Valve 3 does not have compression sent to private mechanic. Sent to KIA was told this is not covered under warranty for new engines went to say that intrest rates are down for new used cars. After some research this could be caused by engine recall.

The check engine light came on in the car. Upon having it checked at a local automotive shop, we discovered that the thermostat assembly is malfunctioning. This can cause the engine to overheat and shut off at any time which of course would be a severe danger. Additionally, a bad thermostat assembly in Kia vehicles can lead to engine overheating or overcooling, potentially causing engine damage and even a fire risk. Upon searching, this appears to be a common issue with the 2016 Kia Optima.

Have a shake during accelerating 35-40 mph and then again at 70 mph. There is an axle, recall on 2016 kia optima. for certain months, my is not included. how is the recall determined. Have not had it checked out yet. It seems to be getting worst, will check soon.

The car caught on fire while I was driving. No warning lights came on and the car didn't show it was running hot. I tried to engage the brakes, and they malfunctioned. I coasted the car to the side of the highway, where the fire and smoke plumed from under the car. I immediately exited the car and ran. As I was running from the car the grass was on fire. The car was totally destroyed by fire. The car has not been inspected by my insurance or Kia. Kia has a class action settlement for car fires the year, make, and model of mine.

Unknown

I have pictures

The antenna fin flew off while I was driving on the highway.

paint peeling, chipping, and bubbling.

I was driving on 295 and my engine light came on. My car started shaking when I was accelerating and when I don’t accelerate it stops. When I come to a complete stop the car jerks back and forth acting like it wants to stall… I’m waiting on a call back from my mechanic on their diagnostic results

The contact owns a 2016 Kia Optima. The contact stated while driving on the highway at 65 MPH, the vehicle began to jerk excessively, and the contact was forced to pull over to the side of the road. The check engine warning light was illuminated. The vehicle was towed to a local dealer, where it was diagnosed, and the contact was informed that the fuel injectors and valve cover gasket were faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 112,260.

The contact owned a 2016 Kia Optima. The contact stated while coming to a stop, the vehicle leaned forward as if the engine had moved abnormally too far forward out of position. The contact stated that her boyfriend attempted to roll down the passenger’s side window; however, the window failed to open as intended. No warning light was illuminated. In addition, the contact attempted to take the vehicle to the local independent dealer where it was purchased; however, the vehicle experienced a loss of automotive power. The vehicle was towed to the local independent mechanic, where it was diagnosed that the engine was blown and there was a hole in the engine. The contact was informed that the engine needed to be replaced. In addition, the contact diagnosed the failure and related the failure to the motor mount, alternator bracket, and in need of an intake manifold replacement. The local dealer was not contacted. The vehicle was not diagnosed or repaired by the local dealer. The vehicle was given back to the local independent dealer and the vehicle was repaired and put up for sale. The manufacturer was not made aware of the failure. The failure mileage was approximately 68,086. The VIN was not available.

There is a clean slit on my dashboard where the passenger airbags are it’s started to form a complete square around the air bag placement and I’m worried it might have a problem with the airbags and its not just cosmetic. When I googled the issue there are tons of kia drivers with the same clean sit appearing over the passenger air bag. I contacted Kia dealership and they said I’d have to pay for a diagnostic fee to determine if it’s a problem but there’s clearly a problem with the 2016 kia so I’m sure all of us owners would appreciate it being recalled

Vehicle has been burning oil excessively for the last 3 years until engine finally went out

Car has been consuming way more oil than usual which caused engine failed and I’ve filed several complaints with Kia America few years before engine failure with concerns of how much money I was spending in oil

The contact owns a 2016 Kia Optima. The contact stated that while driving at an undisclosed speed, the vehicle failed to operate properly. No warning light was illuminated. The vehicle was taken to a local Good Year Service Center where it was diagnosed and determined that the battery, alternator, and drive belt needed to be replaced. The vehicle was repaired; however, several miles later the engine seized. The local dealer was contacted. The vehicle was not diagnosed or repaired. In addition, the contact stated that all four windows shattered, and the window regulators were replaced several times. The contact stated that the front driver’s and front passenger’s side windows had shattered, and moisture entered the cabin of the vehicle during inclement weather. Upon further investigation, the contact related the failure to an undisclosed NHTSA recall. The manufacturer was made aware of the failure. The failure mileage was approximately 48,889.

CHECK ENGINE LIGHT CAME ON AND LOST ENGINE POWER WHILE ENTERING TRAFFIC ON THE FREEWAY, ALMOST GOT REARENDED BUY A VEHICLE FROM BEHIND, VERY SCARRY! CAR IS AT THE KIA DEALER GETTING DIAGNOSED.

Engine started making a knocking noise. Took the car to a machine that agreed this is the same issue that other Kia's have had. Those Kia's engines were on recall but for my year, it is not on recall. Even though it's the same exact issue. Car maintenance is up to date.

Vehicle went into emergency mode while in the highway system completely locked could not drive lost power and was forced to pull over and have vehicle towed, mechanic took a look indicated new alternator was required there for we purchased new alternator and new battery car turned on and same issue happened with in 20 minutes of test driving vehicle, this happened twice and could have cost our life’s! I am extremely disappointed and frustrated I have no means to fix the vehicle we used out saving to finally replace what we though was the issue but I’ve come across many same issues from other parties who experienced the same issue. The vehicle is paid off and we need assistance in fixing this issue it appears the engine or electrical issue at this point but I am scared to get on the road we have tried charging it back on but steering wheels locks up and dies a few minutes after please help

The contact owned a 2016 Kia Optima. The contact stated while driving at an undisclosed speed, the contact noticed smoke coming from under the hood. The contact stated that the passenger, who was seated in the rear passenger's seat, advised the contact to stop the vehicle. The contact stopped and parked the vehicle. The contact and the passenger exited the vehicle. The contact stated the engine was on fire. The Fire department arrived and extinguished the fire. A Fire report was filed. No police report was filed. No injuries were sustained. The vehicle was towed to a local tow yard. The vehicle was condemned as a total loss. In addition, the contact stated that two days before the failure, the vehicle was serviced by an independent mechanic. The independent mechanic replaced the engine sensor and the valve cover gasket. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 66,000.

The contact owns a 2016 Kia Optima. The contact stated that while driving at approximately 55 MPH, the vehicle lost automotive power. The check engine and the engine oil warning lights were illuminated. The vehicle was towed to a local independent mechanic where it was diagnosed and determined that the engine needed to be replaced. The local dealer was contacted; however, the vehicle was not repaired. The contact stated that the vehicle warranty had expired. The manufacturer was made aware of the failure. The failure mileage was approximately 147,000.

My 2016 KIA Optima is burning 5quarts of oil very fast every 2,000 miles. When I put oil in my car then 2 weeks later or a few weeks past, my car empty from oil

Was driving going 50mph and all of a sudden with traffic accelerator stopped working. The oil engine and battery light all came on. When I tried jump starting it it began to smoke.

My paint has begun bubbling up and feeling out of nowhere. I’ve always taken good care of my car yet spots are beginning to pop up along the passanger side. The paint continues to peel more as time goes on. I’ve found many complaints online of people saying they’ve had the same issue with their kia in the Snow White Pearl color I have, but there’s no recall and kia refuses to pay for it.

I have requested that this recall be repaired and updated with the NHTSA, however I've made an appointment, taken this vehicle to the dealership, and called Kia corporate, but they have yet to update this repair so that it shows repaired in the system. In addition to this, when I took the vehicle to have the recall fixed, there were other important recalls that I wasn't notified about, this includes the vehicle anti-theft software for this particular model, make, and year and another product improvement as I was also told by another Kia associate that this one may be regarding the ECU on this engine.

1. Burning Oil Issue: I began noticing excessive oil consumption in my vehicle at approximately [130,000], with the need for frequent oil top-offs. I made multiple visits to my local dealership and reported the issue, but no lasting solution was offered. This burning issue is a known issue due to position ring failure. 2.Catalytic Converter Failure: Due to the excessive oil burning, the oil eventually began to damage the catalytic converter. This caused significant issues with the performance of my vehicle, including [specific symptoms such as loss of power, poor acceleration, engine misfire, etc.]. 3.Engine Failure: As the oil-burning issue continued, the damage to the catalytic converter worsened, leading to a total engine failure. I am left with a car that is no longer operational, and I believe that these issues are the result of a persistent defect in the engine that should have been addressed under warranty or a recall.

The car has been burning a qt of oil every 4-5 days. Now it stalls when changing gears and won't go faster than 45 MPH.

Driving down the road trying to accelerate. My rpm's wouldn't go over 2000. The engine started fluttering and the accelerator stopped working. Went to take to local repair shop and they stated it was an issue with the engine. problem listed after a scan: OBD P1326 Recall NUMBER: PI1802W/X (Rev 2, 01/28/2019) With this stated. My vehicle under the same Year, Model, Engine, and Production Date are all calling for a recall but my VIN doesn't have a recall. So I am wanting to enquire why my vehicle doesn't have this recall.

Driver front side window, Passenger front side window, Rear Driver side window. All windows not going up and down. I had to put door wedges down in the panel to keep windows from falling. I was informed that the regulator and motor in panels that control the switches for movement of windows are burned out. I was also informed from the mechanic this could of been a fire hazard. I was informed from the mechanic. No one around our area had these parts. If I were to purchase them from KIA dealership it would cost $1300 to fix all three windows. I don't have that kind of money for repair. Especially when I am not the only person that is dealing with these issues. The list goes on unsatisfied Kia optima owners that is having the same issue with windows.

The contact owns a 2016 Kia Optima. The contact stated that while driving in inclement weather on several occasions, all four windows of the vehicle became intermittently inoperable. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was notified of the failure. The failure mileage was approximately 130,000.

I am filing this complaint to urgently bring attention to a serious safety and mechanical defect with my Kia vehicle's engine and fuel system. My engine is excessively consuming oil, to the point where it poses a significant risk of engine failure, which could result in a loss of power while driving and create a hazardous situation on the road. Details: I consistently have to add 5 quarts of oil approximately every month. During regular oil changes, there is barely any oil recovered from the engine, suggesting the oil is being consumed or burned internally. I took the vehicle to AutoZone for diagnostics, and they confirmed the engine is burning oil. They also mentioned it could be related to a rod or piston ring issue. There are no visible leaks under the vehicle, and the oil is not being expelled externally—it's being consumed by the engine. This issue is not normal wear and tear. It's a systemic engine defect that is causing rapid oil loss and is likely to lead to engine seizure or failure if not addressed. This level of oil consumption is not just expensive—it is dangerous. A sudden loss of engine power could cause an accident, especially at highway speeds. I am deeply concerned for my safety and the safety of others on the road. Urgency: I am requesting the NHTSA to investigate this issue and consider initiating a recall for affected Kia vehicles. I am not the only one facing this problem—online forums and consumer reports are filled with similar complaints from other Kia owners. This is a critical engine/fuel system safety defect that must be addressed immediately before someone is injured or worse due to engine failure while driving. Thank you for your time and attention to this matter. I am available to provide service records, photos, and further documentation upon request. Sincerely, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

My 2016 Kia Optima is experiencing severe internal engine oil consumption that matches known issues Kia has recalled and extended warranties for. The vehicle loses 1–3 quarts of oil every few days with no external leaks. A repair shop found a P0304 cylinder 4 misfire, P0010 cam actuator code, and spark plug damage caused by oil entering the combustion chamber. They confirmed internal engine damage and abnormal oil consumption. The Kia dealership refused to assist due to mileage, even though this issue matches the engine defects covered under Kia’s litigation settlement and warranty extensions. The excessive oil consumption creates a dangerous safety risk, including engine stalling, loss of power, and potential engine seizure while driving. I am requesting NHTSA review because the vehicle’s condition is unsafe and part of a widespread engine defect.

Driving vehicle down the highway and engine seized up without any warning. According to Kia cooperate the vehicle could have experience a "bent rod failure". This was confirmed by a nearby Kia dealership service tech.

While driving on the highway, the roof antenna assembly flew off our car. Inspection of the area shows that the screws that were supposed to hold the antenna on had all become sheared off. It looks like there is a recall for this exact issue covering 2016 Kia Optimas produced through June 1, 2016 (SA272), but our Optima was produced on June 23, 2016 and is therefore not covered according to Kia.

The headlights and brake lights have been VERY dim for a while. I've had to replace both headlights and brake lights an excessive amount in the last several years. This year alone since December 2024, I've had to replace my headlights 3 separate times. I do not drive more than 10,000 miles per year, or use my vehicle on roads that would lead me to believe the issue is from road conditions.

The contact owns a 2016 Kia Optima. The contact stated that after having a routine oil change and tire maintenance, the vehicle began making an abnormal clunking sound. The vehicle failed to start. The check engine warning light was illuminated. The message that the automatic brake was disabled was displayed. Additionally, several unknown warning lights were illuminated. The contact called an independent mechanic and was referred to the dealer. The contact called the local dealer, and the vehicle was towed to the local dealer, where an unknown diagnosis was made. The vehicle was not repaired. The dealer declined to repair the vehicle. The manufacturer was not contacted. The failure mileage was approximately 149,020.

The contact owns a 2016 Kia Optima. The contact stated while driving approximately 60 MPH, the vehicle lost motive power and stalled. The vehicle was towed to the local mechanic who diagnosed the vehicle with engine failure. The vehicle was later towed to the local dealer who confirmed the engine failure and informed the contact that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 110,000.

Engine burns over 2 quarts of oil every 500 miles due to carbon build up in engine resulting in engine ceasing up.

The windows will NOT stay up, front passenger window has come completely loose from its track and has fallen down in such away, that it slams against the inside door panel, the only part of the window you can see is the triangle shaped edge that would normally fit in the corner of the window. I'm [XXX], with kids and this is my only transportation. Winter is here and the only window that stays up is the drivers side, and it's about to go too, it wobbles when rolling it up or down. My dad was a mechanic all his life, but he's [XXX]. I use to help him work on cars every day.. I have a torn rotator cuff from turning my now deceased husband in the month long hospital stay, been with him since I was 17, I'm now [XXX] , and can not do a lot of things I once did.. I do NOT have the money to fix this car as my husband died 2 months ago being flown in a helicopter twice to the hospital, is more expensive than ANY vehicle around here costs, i cant work due to my torn rotator cuff. No one in their right mind would buy my car with the windows.. I've done some research and my Kia optima is just one of thousands with this same issue. The only option I have is to walk the 5 miles into town to get what me and what's left of my family's essentials. I've never had a Kia before, and I'll never get another one. My car also burns oil, I know this because I was raised to know how to check to see if it's burning oil, I took it into dardanelle tire and auto, I know the lead mechanic. I was informed that in fact it was burning oil, and I knew that meant I would have to be checking the oil every other day. The exhaust pipe has SO much black burnt oil all over the entire end of the pipe.. check engine light came on 2 weeks after I bought it, something about the catalyst. The small dealership owner told me everything was perfect on this car, he lied, they have ways of turning the check engine light off, I've seen my dad do it. I think it's time for a recall already. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I’m financing my car from drive time and I got my car this year not to long ago, I say a couple months ago. I recently had a vehicle inspection done to keep up with maintenance. Upon arrival Firestone did a vehicle inspection and noted my roots needs to be replaced witch I’m currently working on getting that replaced and they also noted my power steering needed to be replaced witch I found odd because I don’t know how my power steering could needed be replaced when I haven’t had my car for a full year only a couple months. I have attached a copy of the vehicle inspection

The window regulators in my 2016 Kia Optima have/are failing. The white drum gear that rolls the window up/down shreds and the window falls. My safety is put at risk with this due to the fact that if the window glass were to drop abruptly, it would shatter. To add to the matter, I was out of town this past weekend when another one of my windows failed and had I had not known how to pull the door apart and pull the window back up and tape it, I could have been at major risk of robbery or more. The problem has been reproduced 3/4 times on my car so far. The first time was about a year ago, I repaired the issue myself (costly). Now i have 2 more windows that have failed and i have tape holding them up until i can afford to fix them because Kia charges an ungodly amount to repair.

While driving my car Engine just cut off, and now it has a knocking noise, miles on the car 94739. Its my understanding that there is a recall on the engine for this reason issued in 11/2023 the car Manufacture refuse to replace engine. Car was taken to Kia New Port Richey, were the car was purchased on 01/08/2017. The safety problem is when engine shut down while driving in the middle of the road, no warning lights came on until after the engine turned off. its my understanding that the engine is blown. i called Kia Motors and they said will not replace engine because i did not take car in for the recall, and i was unaware there was such a recall

The contact owns a 2016 Kia Optima. The contact stated while driving 65 MPH, the vehicle made an abnormally loud knocking sound and experienced reduced engine power. The contact stated that the engine failed to exceed 2,000 RPM. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that the rod bearings had failed. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 106,000.

The contact owns a 2016 Kia Optima. The contact stated while driving at an undisclosed speed, there was an abnormal rattling sound coming from the engine compartment. The vehicle was taken to an independent mechanic for a scheduled service and the contact was informed that while the vehicle was running, the engine was vibrating abnormally. The contact was informed that the rattling might have been caused by the abnormal vibration of the engine. The vehicle was not repaired. The contact stated that the engine was replaced in 2023 under an undisclosed recall repair. The manufacturer was not made aware of the failure. The failure mileage was unknown.

In cold weather my car will not start. Gas is in the car and all the lights come on. Would have to crank car multiple times for it to to start or it will not start at all.

To whom it might concern. My car suddenly started burning a lot oil every 800 miles I had to change the oil twice a month and I have contacted Kia number of times and took the car to the dealer but no one helped me until last month when I was driving the car and suddenly the engine stops while I was in the highway and almost got hit by a truck and was a death near experience and I am still suffering from that incident mentally. Please notice Kia knew about the car problem and refused by all means to help me and now they refusing to acknowledge they defect with their cars and meanwhile I am left with near death experience and 8k dollars to buy a new engine .

While driving the car will not accelerate past 49mph in turbo mode and 61mph in regular mode and rpm will not go above 1800. And it jerks and studders. Blinking check engine light and consumes a ridiculous amount of oil even though regular maintenance performed. I have read several engine issues with this model and cannot find recall info