2012 Kia Optima: engine and transmission complaints
HIGH COMPLAINT SIGNAL
55%
471 of 859 relevant owner complaints are about the engine, transmission or fuel system
55% of relevant owner complaints filed with NHTSA on the 2012 Kia Optima are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.
Worse than 72% of the 1,230 model years we track (2010–2023).
Excludes 60 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 51%).
The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.
What owners reported
ELECTRICAL SYSTEM,ENGINE02/27/2026FIRE1 INJURED
Unknown but We were driving home from friant in motion when the car died and started smoking, no indication light were on before until after the incident all warning lights were on dash. Our lives were put at risk due to this. We were not able to control steering wheel or to get out of the way of traffic.
ENGINE08/11/2022FIRE1 INJURED
After the rod bearing engine replacement was preformed. My engine light came on a few days after picking it up from dealer. I immediately reported it to the dealer that I need to bring it in mainly for smog check, and no response. 2 weeks later I told them about it again. No response. 3 weeks later began a fuel smell a…
ENGINE,VISIBILITY/WIPER01/30/2020FIRE1 INJURED
TL* THE CONTACT OWNS A 2012 KIA OPTIMA. THE CONTACT STATED THAT WHEN DRIVING AT 65 MPH, THE VEHICLE STALLED INTERMITTENTLY AND THE ENGINE AND TIRE SENSOR LIGHTS ILLUMINATED WHILE THE FAILURE OCCURRED. THE CONTACT WAS ABLE TO MOVE ONTO THE ROAD SHOULDER INSPECTED UNDER THE HOOD AND FOUND SMOKE AND WITHIN A MOMENT THE FL…
Three of 471 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.
Recall campaigns on this model year (5)
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
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 rec…
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
Kia Motors America (Kia) is recalling certain 2010-2013 Kia Forte, Forte Koup, 2011-2013 Kia Optima and 2011-2012 Kia Optima Hybrid and Sedona vehicles. In the event of …
ENGINE AND ENGINE COOLING:ENGINE
Kia Motor Company (Kia) is recalling certain 2011-2014 Optima, 2012-2014 Sorento and 2011-2013 Sportage vehicles. Machining errors during the engine manufacturing proces…
This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.
Before you buy a 2012 Kia Optima
Ask the seller whether the engine has ever been repaired or replaced, and whether the car has shown stalling, loss of power, rough idle, oil consumption or a check-engine light.
Drive it from a cold start and long enough to warm up. Many engine faults hide once the car is warm.
Get an independent pre-purchase inspection from a mechanic you choose, and tell them to focus on the engine.
5 recall campaigns on this model year. Whether a specific car still has one open depends on the VIN; the report checks that.
Ask for service records. A engine already replaced under warranty is a different car from one that was not.
Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.
Experimental model-level information. This is not a vehicle inspection, vehicle-history
report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition
of any individual vehicle.
