2016 Kia Optima: problems, recalls and reliability
5 recalls and 755 owner complaints on record; the weakest area is engine (52% of complaints); the 2017 and 2018 model years look more trouble-free.
Data updated weekly · 5 new complaints in the last 90 days · latest recall Aug 2023
All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.
Common problems
Computed from 755 owner complaints filed with NHTSA for this exact model year.
“Code was on and off for a cylinder 2 misfire was off at this point (intermittent misfire) ecl was off car stalled out at 3rpms while driving, tiny puff of smoke once came from between the air intake and the engine, and also no crank no start but car has power. I've kept up with the oil changes every 3000 miles car had fluids in it and nothing looked bad all 4 spark plugs were burnt and i replaced them and still no success.”Owner report · Unknown Or Other · Jul 2026
“the engine. I was at a stop sign when the car stop responding to me pressing the accelerator and would not go. Upon further inspection it was noted that my car had no oil in it. I am diligent in getting my oil changed every 3 months or 3,000 miles. My engine had "seized" and i am being advised to purchase a new engine or purchase a new car. While trying to get my car to acclerate i was almost hit 4 times in a matter of 10 mins.”Owner report · Engine · Jun 2026
“The contact owns a 2016 Kia Optima. The contact stated that while driving 10 MPH, the front driver's and passenger's side windows lowered unintendedly. Neither the dealer nor an independent was contacted. The vehicle was not taken to the dealer or an independent mechanic to be diagnosed. The rear driver's and passenger's side windows were replaced, and the vehicle was repaired. The manufacturer was notified of the failure but offered no assistance since the VIN was not under recall. The failure mileage was 107,000.”Owner report · Visibility · May 2026
Show 7 more owner reports
“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.”Owner report · Engine · Apr 2026
“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.”Owner report · Unknown Or Other · Apr 2026
“I had just stopped at stop sign and I turned right. My speed was approximately 40 mph and there was a LOUD POP. I immediately hit the brakes and had NO BRAKES. I got car off road and smoke was already coming from under hood. It caught fire immediately and burned up. Total loss . About 6 months prior to it burning I had a good bit of front end work done on it with bearing issues. Also put a new set of tires at same time . The coils and plugs were changed often because it would misfire. I purchased car July 2025. All my documents were burnt also .”Owner report · Unknown Or Other · Apr 2026
“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.”Owner report · Electrical System · Apr 2026
“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.”Owner report · Visibility · Mar 2026
“Car is not holding oil it acts like it's gonna cut off while driving and it jerking was diagnosed with colitic converter p0604”Owner report · Fuel/Propulsion System · Mar 2026
“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.”Owner report · Engine · Mar 2026
When filing, owners marked a crash in 26 of these complaints and injuries in 21 - self-reported to NHTSA, not verified accident statistics.
Recalls - 5 campaigns
Kia Motors America (Kia) is recalling certain model year 2016 Kia Optima vehicles manufactured November 13, 2015, to April 23, 2016 and equipped with a 2.4l engine. The right front axle driveshaft may crack and fail.
Remedy: Kia will notify owners, and dealers will replace the front axle driveshaft, free of charge. The recall began November 2016. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC139.
Kia Motors America (Kia) has recalled one 2016 Optima vehicle. In this vehicle, the end seal for the driver's frontal air bag inflator may not have been properly installed, possibly resulting in reduced inflation of the frontal air bag in the event of a crash.
Remedy: The affected vehicle was remedied on January 10, 2017. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC143.
Kia Motors America (Kia) is recalling certain 2011-2017 Optima, 2012-2017 Sorento and 2011-2018 Sportage vehicles that previously received an engine replacement under recall number 17V-224, warranty, or the Knock Sensor Detection System (KSDS) Product Improvement Campaign. The high pressure fuel pipe that connects to the fuel pump outlet may have been damaged, misaligned or improperly torqued during the engine replacement procedure, possibly causing a fuel leak.
Remedy: Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.
Kia America, Inc. (Kia) is recalling certain 2016-2017 Rio, 2016-2018 Optima, 2017-2018 Optima Hybrid and Optima Plug-in Hybrid vehicles. The trunk latch base may crack, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Remedy: Dealers will replace the trunk latch base subassembly, free of charge. Owner notification letters were mailed October 19, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC278.
Kia Motors America (Kia) is recalling certain model year 2016 Kia Optima vehicles manufactured November 10, 2015, to February 12, 2016. In these vehicles, a chemical enhancer required for the for the second stage deployment of the driver's frontal air bag was not loaded, resulting in the second stage not deploying in necessitating crashes.
Remedy: Kia will notify owners, and dealers will replace the driver's frontal air bag module, free of charge. The recall began on May 6, 2016. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC131.
Trouble codes owners mention
OBD-II codes that appear in NHTSA complaints about this car.
How other years compare
Check your exact Optima by VIN
Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.
Open VIN decoderFrequently asked questions
Is the 2016 Kia Optima reliable?
NHTSA has 755 owner complaints and 5 recall campaigns on record for the 2016 Kia Optima. The most complained-about area is engine (52% of complaints).
At what mileage do 2016 Kia Optima problems usually appear?
Half of the complaints that mention mileage were filed at 70,000 miles or less.
Does the 2016 Kia Optima have open recalls?
5 recall campaigns have been issued, the latest concerning power train:axle assembly:axle shaft. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.
Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.