2016 Kia Optima — Known Issues & Recalls

Car is burning a lot of oil, took to dealer went through several tests and they claim burning 1.5 quarts was within limit for 1000 miles. Then started getting misfire codes and car went into limp mode a couple of times. They said to replace spark plugs because they were fouled and clean injection.

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.

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.

The contact owns a 2016 Kia Optima. The contact stated that while driving at an undisclosed speed, the vehicle shuddered. No warning lights were illuminated.

The engine stalled without warning while I was pulling out of my driveway into the street, creating an unsafe condition due to sudden loss of power. After waiting briefly, the vehicle restarted and was moved back into the driveway. It was towed the following day due to loss of confidence in safe operation.

My 2016 Kia Optima experienced a sudden catastrophic engine failure in July 2025. The failure is consistent with widely reported Theta II engine rod bearing defects that cause engine seizure and stalling. The vehicle did not receive the Knock Sensor Detection System (KSDS) update prior to my ownership, and I was never notified of this critical safety-related update.

While driving my 2016 Kia Optima, the vehicle experienced a sudden and complete loss of engine power and stalled without warning. At the time, I was Door Dashing for income. The engine seized and the vehicle came to an immediate stop in the middle of 4925 Wolf Creek Dr SW, Atlanta, GA, a narrow two-lane road with limited street lighting.

The contact owns a 2016 Kia Optima. The contact stated that while driving approximately 40 MPH, a knocking sound coming from the engine compartment was heard, and the check engine warning light illuminated. The contact further stated that while driving at approximately 80 MPH, with the cruise control mode engaged, the vehicle started to stall and failed to exceed 30 MPH.

My vehicle’s engine was previously approved for replacement under the lifetime engine warranty associated with the settlement, confirming that my vehicle falls within the covered class.

The engine lost cylinder 3, piston came loose and broke the spark plug. This happened because the rod bearing came loose which has been a known issue with Kia. There’s already been a class action law suit, and recall with warranty.

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.

engine light start blinking out of no where and speed started to reduce while on the highway. my fix finder gave me code P1326

Engine brocked the pistones brock stock engine and pay for new engine

The engine is a problem and all I’m ever told us “ this vehicle is know to have engine problems. This is dangerous to have in the road. Kia is aware of this.

Your sunroof glass panel suddenly shattered and flew outward while you were driving at 45 MPH, with glass fragments landing on you. No warning lights appeared before this happened. The dealer was contacted but did not diagnose or repair the issue. Fixing this will likely require sunroof glass replacement and inspection of the sunroof mechanism.

The contact owns a 2016 Kia Optima. The contact stated that while driving at 60 MPH, the vehicle stalled with the check engine light illuminated. The brake pedal was depressed, and the steering wheel seized.

The contact owns a 2016 Kia Optima. The contact stated that while driving at various speeds, the vehicle suddenly stalled. After restarting the vehicle, the vehicle operated normally.

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.

In order to repair the recalled equipment on the vehicle the dealerships and Kia want us to pay for them to open the trunk ($280/hour service fee to remove the back seat to gain access to the trunk and then return the back seat once completed).

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