NHTSA lists 3 safety recalls and 109 owner complaints for the 2012 Kia Optima Hybrid. Most complaints involve engine (72) and electrical system (20). The EPA rates it 36 mpg combined, and NHTSA gives it 5 stars overall.
Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio, 2011-2014 Sorento, and 2010-2011 Rondo vehicles. The Hydraulic Electronic Control Unit (HECU) may experience an electrical short, which can result in an engine compartment fire while parked or driving.
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.
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 a crash, the air bag control unit (ACU) may short circuit, preventing the frontal air bags and seat belt pretensioners from deploying.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“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.”
“The contact owns a 2012 Kia Optima. The contact stated that while idling or while driving, the message "Hybrid Warning System - Check Brake - Stop Driving Immediately" was intermittently displayed. The contact stated that while driving and depressing the brake pedal, the vehicle failed to respond as intended, causing the braking distance to become extended. The vehicle was taken to the dealer, where the contact was informed that the vehicle could not be diagnosed because the message was no longer displayed. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.”
“WITHOUT WARNING THE ENGINE OVERHEATED WHILE DRIVING IN THE HIGHWAY. THE ENGINE MADE A LOUD NOISE AND BEGAN SMOKING ... THE VEHICLE BECAME IMMOBILIZED I PULLED OFF TO THE SIDE OF THE ROAD AND OPENED THE HOOD. THERE WAS SO MUCH SMOKE. THE CAR TURNED ON AFTERWARDS BUT THE ENGINE DID NOT START. WITHIN SECONDS THE BATTERY SHUTDOWN.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Optima Hybrid Auto 6-spd, 4 cyl, 2.4 L · Front-Wheel Drive | 34 | 38 | 36 | $1,800 | 247 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
3 safety recalls as of Nov 6, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 109 complaints with NHTSA. The most-cited components are engine (72), electrical system (20), power train (10). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2012 Kia Optima Hybrid at 36 mpg combined, depending on engine and drivetrain (1 version rated).
NHTSA's New Car Assessment Program gives the 2012 Kia Optima Hybrid 5 out of 5 stars overall.