Problems owners report
Complaints filed with NHTSA about the 2012 Kia Optima, by the system named in each complaint. One complaint can name several.
- Engine398
- Steering188
- Electrical system122
- Unknown or other87
- Power train54
- Service brakes52
- Air bags48
- Fuel/propulsion system42
- Vehicle speed control40
- Structure39
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 34 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 72 2012 Optima vehicles were involved in crashes on US public roads in which someone died; 41 people died inside them, and 9 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2012 Kia Optima failed the safety check 3.81% of the time — 51% more often than the average 2012 passenger car (2.52%). Median odometer at inspection: 121,803 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Registered new in Europe in 2012
4,290 new Kia Optima cars were registered in the EU, Norway and Iceland in 2012; the largest markets were the United Kingdom (1,148), Germany (583), France (518).
- Average mass
- 1,585 kg
- Average power
- 101 kW
- Fuel type recorded
- Diesel 95% · Petrol 5.2%
European Environment Agency, CO₂ emissions from new passenger cars · averages weighted by registrations; CO₂ is the type-approval value; fuel type as recorded at registration, where many non-plug-in hybrids appear as petrol · re-use permitted with acknowledgement
In the Netherlands
33 first registered in 2012 are on Dutch roads; 27% arrived later as imports. Median list price when new: €36,290.
Most common APK defects
- Richtingaanwijzers kleur wijkt af/niet toegestaan14
- Band beschadigd8
- Band onvoldoende profiel8
- Dimlicht onjuist afgesteld6
- Stuur- of fuseekogel met slijtage kleiner of gelijk 1,0 mm6
- Kentekenplaatverlichting werkt niet (goed) / ontbreekt6
- Mechanische delen van het remsysteem vertonen slijtage5
- Waarschuwingsinrichting controlesysteem bandenspanning geeft5
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
566 cars built in 2012 were licensed for the road at the end of 2025, and 88 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
MOT test results in Great Britain
In 2023, 714 of these cars first registered in 2012 took their annual MOT test. 62% passed first time; among all cars first registered in 2012 the figure was 66%.
| Failed on | These cars | All cars from 2012 |
|---|---|---|
| Brakes | 16.9% | 7.7% |
| Lamps, reflectors and electrical equipment | 10.8% | 14.3% |
| Suspension | 10.6% | 12.2% |
| Steering | 10.4% | 2.3% |
| Tyres | 7.6% | 7.0% |
| Visibility | 3.5% | 5.0% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In Finland
78 of these cars first registered in 2012 were in use in Finland on 30 Jun 2026, with an average of 244,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
141 2012 cars are on the New Zealand register; 2% arrived as used imports, 95% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Crash-test ratings
NHTSA 5-star results for 1 variant; 1 of 1 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2012 Kia Optima 4 DR FWD | ★★★★★ | 9.6 % |
- Electronic stability control
- Standard
- Forward collision warning
- No
- Lane departure warning
- No
- Best overall rating
- 5 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 3 variants: combined 8.5–8.9 L/100 km (about 26–28 mpg US), CO₂ 196–205 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Optima · Mid-size · Regular gasoline | 9.9 | 6.7 | 8.5 |
| Optima · Mid-size · Regular gasoline | 10.0 | 6.8 | 8.6 |
| Optima · Mid-size · Regular gasoline | 10.5 | 7.0 | 8.9 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
6 Transport Canada recalls for the 2012 Kia Optima.
| 2023529 26 Sept 2023 | Brakes Issue: On certain vehicles, the brake hydraulic electronic control unit (HECU) could short circuit. Safety Risk: A short circuit could create a fire ris… |
| 2020597 4 Dec 2020 | Engine Issue: On certain vehicles equipped with a 2.0 L NU GDI or 2.4 L Theta II MPI engine, an engine compartment fire could occur while driving. Kia is conducting t… |
| 2019153 21 Mar 2019 | Engine Issue: Kia Canada is conducting a Product Improvement Campaign that provides an update to the engine control module to detect potential problems before an eng… |
| 2018742 28 Dec 2018 | Fuel System On certain vehicles, when repairs were completed under recall campaign 2017-199 (Kia RC109), the high pressure fuel pipe may not have been properly installed on… |
| 2018301 8 Jun 2018 | Airbag On certain gasoline and hybrid engine vehicles, the circuits within the airbag control unit may become damaged. This could cause the airbags and seat belt prete… |
| 2017199 7 Apr 2017 | Engine On certain vehicles equipped with 2.0L and 2.4L engines, the engine may contain residual metallic debris from factory machining operations. If debris is present… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
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 America, Inc. (Kia) is recalling certain 2012-2013 Optima vehicles. The right and left headliner plates may not be secured properly, which can result in the plates detaching in the event of a side curtain air bag deployment.
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.
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.
Kia Motor Company (Kia) is recalling certain 2011-2014 Optima, 2012-2014 Sorento and 2011-2013 Sportage vehicles. Machining errors during the engine manufacturing process may cause premature bearing wear within the engine.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Kia told its dealers about the 2012 Kia Optima: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11001594 | TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobil |
| 11000787 | This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced. |
| 10252086 | TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1803 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the su |
| 10240563 | TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to update the software logic in the Kia Genuine Remote Start Control Module on certain 2012-2022MY model vehicles listed on page 7. Vehicles equipped with a Kia Genuine Remote Start feature and have had the Anti-Theft software logic (CS230*) applied to the Integrated |
| 10240258 | CUSTOMER SATISFACTION CAMPAIGN: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of the original letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to the vehicle to |
| 10239723 | CUSTOMER SATISFACTION CAMPAIGN: OWNER RE-NOTIFICATION - This document is the owner re-notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of the original letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to the vehicle to |
| 10239713 | TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobil |
| 10239108 | TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: KIA GENUINE REMOTE START CONTROL MODULE UPGRADE FOR ANTI-THEFT LOGIC COMPATIBILITY (CS2310) - This bulletin provides information to update the software logic in the Kia Genuine Remote Start Control Module on certain 2012-2022MY model vehicles listed on page 6. Vehicles equipped with a Kia Genuine Remote Start feature and have had the Anti-Theft software logic (CS230*) applied to the Integrated Body Control Unit (IBU) or Body Control Module (BCM) may experience five (5) inadvertent honks after starting the vehicle with the remote start feature. |
| 10236643 | TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobil |
| 10233306 | CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of this letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to your vehicle to discourage a |
| 10232943 | TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobil |
| 10232115 | CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of this letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to your vehicle to discourage a |
| 10232114 | CUSTOMER SATISFACTION CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia has developed a software upgrade that can be installed on the vehicle to restrict the operation of the vehicle's ignition system should a locked vehicle be the subject of a break-in and theft attempt without the key. This software upgrade will be available to the customer free of charge for eighteen (18) months from the date of this letter. When the software upgrade is complete, Kia will also provide the customer with window stickers that can be applied to your vehicle to discourage a |
| 10232113 | TECHNICAL SERVICE BULLETIN CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2303) - This bulletin provides the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2011-2015MY Optima (TF), 2012-2015MY Optima (QF) and 2016-2020MY Optima (JF, JFa) vehicles produced within the dates outlined on page 10, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation. |
| 10226555 | TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced, refer to applicable vehicles in the chart starting on page 2. |
| 10219692 | TECHNICAL SERVICE BULLETIN: BEARING CLEARANCE TESTER (BCT) PROCEDURES - This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier however, in some cases, due to variable shop compressor air pressure, the SST may need to be re-calibrated to ensure that the tool provides accurate readings when testing the engine rod bearing wear. The calibration and BCT measuring point maintenance is included in this bulletin. |
| 10210431 | PITSTOP: INJECTOR HARNESS ROUTING FOR PI1802Y/Z AND PI1803Y/Z ENGINE REPLACEMENTS - This bulletin provides information to address a no-start or hard start with poor running condition after engine replacement under PI1802Y/Z or PI1803Y/Z. Some replacement long blocks may come with pre-installed fuel rail, injectors, and injector wiring harness. If the condition is present, it is possible that the injector harness was not installed correctly. The connections may be swapped from cylinder No. 1 and cylinder No. 4, and from cylinder No. 2 and cylinder No. 3. |
| 10209438 | TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption. |
| 10206642 | TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption. |
| 10205866 | PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1803 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns |
| 10205426 | TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011-2021MY vehicles (refer to the tables on pages 8-9 for applicable models and engine), which may exhibit a symptom of excessive oil consumption. |
| 10203695 | This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special Service Tool (SST). The SST comes pre-calibrated from the supplier however, in some cases, due to variable shop compressor air pressure, the SST may need to be re-calibrated to ensure that the tool provides accurate readings when testing the engine rod bearing wear. The calibration and BCT measuring point maintenance is included in this bulletin. |
| 10203659 | PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1803Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published PI1803 titled "Knock Sensor Detection System - ECU Logic Improvement" equipped w/THETA II engine. Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns |
| 10202226 | TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Steering Column Housing, or Worm Gear Assembly. When the steering wheel is rotated a scraping noise can be heard originating from the lower bearing on the Worm Gear Assembly on some 2010MY~ Kia m |
| 10201615 | TECHNICAL SERVICE BULLETIN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI2002Y/Z) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information related to the Technical Service Bulletin previously published in (PI2002A, PI2002B and SC200**1) titled "Knock Sensor Detection System - ECU Logic Improvement". Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below return t |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Hyundai and Kia ABS Module Fires
Loss of Motive Power
Engine Fires
Throttle control system vulnerabilities
Non-crash Vehicle Fires
Non-crash Vehicle Fires
Scope and Timeliness
NHTSA Office of Defects Investigation