Problems · by component

2012 Kia Optima Hybrid engine problems

72 owner complaints to NHTSA about the 2012 Kia Optima Hybrid cite engine, 66% of all 109 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
72
66% of all complaints
Crashes
0
Reported by owners
Fires
5
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine

Verbatim from NHTSA complaints, newest first
“The contact owns a 2012 Kia Optima Hybrid. The contact stated the engine was previously replaced under an unstated NHTSA recall. The contact stated that five months after the repair, the malfunction indicator warning light was illuminated. The vehicle was towed to a local dealer where it was diagnosed that the replaced engine was defective and affected the high hybrid battery. The contact received notification of NHTSA Campaign Number: 23V652000 (Service Brakes, Hydraulic). However, the part to do the recall repair was not yet available. The manufacturer was contacted and offered to replace the engine and the high hybrid battery; however, the vehicle remained at the local dealer because parts were not yet available. The failure mileage was unknown.”
Owner complaint to NHTSAFiled May 29, 2024Service brakes, hydraulic, EngineODI 11591281
“The contact owns a 2012 Kia Optima. The contact stated while driving 60 MPH, the vehicle independently decelerated and failed to exceed 20 MPH. No warning lights were illuminated. The contact stated that the vehicle had started to overheat. The contact referenced NHTSA Campaign Number: 20V750000 (Engine). The vehicle was towed to an independent mechanic and the contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer and dealer were not notified of the failure. The failure mileage was 160,000.”
Owner complaint to NHTSAFiled Jan 5, 2024EngineODI 11563805
“The contact's wife owns a 2012 Kia Optima Hybrid. The contact stated while driving 30 MPH, the vehicle shuddered, and there was an abnormal ticking sound coming from the engine. There was no warning light illuminated. The contact veered to the side of the road and the vehicle was towed to the residence. The vehicle was then towed to the dealer, where it was diagnosed and determined that the engine had failed. The dealer informed the contact that the engine needed to be replaced; however, due to the mileage on the vehicle, the repair was not covered under warranty. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 180,000.”
Owner complaint to NHTSAFiled Sep 12, 2023EngineODI 11544157
“The contact owns a 2012 Kia Optima Hybrid. The vehicle had previously been serviced under NHTSA Campaign Number: 20V750000 (Engine). The contact stated that while driving at an undisclosed speed, the vehicle lost motive power, causing the wheels to seize and the vehicle came to a complete stop in a ditch. The passenger's side fender was damaged from the failure. Several unknown warning lights were illuminated. The vehicle was towed to an independent mechanic, who advised the contact to tow the vehicle to a dealer. The vehicle was then towed to the dealer, where it was diagnosed with bearing damage to the bottom of the engine. The dealer informed the contact that the engine needed to be replaced however, the extended warranty only covered the top of the engine and not the bottom of the engine, where the failure had occurred. The vehicle was not repaired and remained at the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 160,000.”
Owner complaint to NHTSAFiled Mar 17, 2022EngineODI 11457129
“TL* THE CONTACT OWNS A 2012 KIA OPTIMA HYBRID. THE CONTACT STATED WHILE DRIVING 75 MPH, WHEN SHE HEARD AN ABNORMAL NOISE AND THE VEHICLE BEGAN TO DECELERATE. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE CONTACT STATED THE VEHICLE FAILED TO EXCEED 40 MPH. THE CONTACT PARKED ON THE SIDE OF THE ROAD AND HAD THE VEHICLE TOWED TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS THEN TOWED TO BOB KING KIA (1725 LINK RD, WINSTON-SALEM, NC 27103, (336) 724-3866) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. UPON INVESTIGATION, THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 20V750000 (ENGINE) HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 118,000.”
Owner complaint to NHTSAFiled Jan 19, 2021EngineODI 11388790
“TL* THE CONTACT OWNS A 2012 KIA OPTIMA HYBRID. THE CONTACT STATED THAT WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE SHUT-OFF WITH THE HYBRID SYSTEM WARNING MESSAGE DISPLAYED ON THE INSTRUMENT PANEL. THE VEHICLE WAS TAKEN TO RICK CASE KIA LOCATED AT 3190 SATELLITE BLVD NW, DULUTH, GA 30096, TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE HYDRAULIC CONTROL SYSTEM WAS FAULTY AND 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 154,440.”
Owner complaint to NHTSAFiled Dec 3, 2020Electrical system, EngineODI 11377710

Showing 6 of 72 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 6, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Engine

Free remedy

Kia Motors America (Kia) is recalling certain 2012-2013 Sorento, 2012-2015 Forte and Forte Koup, 2011-2013 Optima Hybrid, 2014-2015 Soul, and 2012 Sportage vehicles. An engine compartment fire can occur while driving.

EngineReported Dec 2, 2020NHTSA 20V750000
Data from NHTSA Recalls API · synced Nov 6, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.