2009 Kia Optima problems & reliability
116 owner complaints filed with NHTSA for the 2009 Kia Optima, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
4 complaints report injuries (5 injured, 1 deaths reported).
Federal crash records (FARS 2020–2023): 2009 Kia Optima vehicles were involved in 26 fatal crashes with 17 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 33 | 28% |
| Air Bags | 28 | 24% |
| Service Brakes | 17 | 15% |
| Electrical System | 16 | 14% |
| Engine | 14 | 12% |
| Vehicle Speed Control | 11 | 9% |
| Electronic Stability Control (esc) | 9 | 8% |
| Exterior Lighting | 9 | 8% |
| Steering | 7 | 6% |
| Service Brakes, Hydraulic | 4 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 65,000 miles (middle 50% between 38,557 and 84,500 miles), based on 94 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2009 Kia Optima. The contact stated while driving at approximately 35 MPH, the vehicle was making an abnormal knocking noise and then stalled. The contact stated that the battery and check engine warning lights were illuminated. The contact was able to restart the vehicle. The contact drove the…”
Engine and Engine Cooling · filed Nov 7, 2024
“After 131,500 miles, struts, rotors and pads wore out. Lower ball joint and control arm also wore out, No injuries or accident.”
Steering · filed Nov 12, 2023
“The airbags did not deploy while the car was being driven at 65 mph on Interstate 275 S and crashed into a wall barrier. Since the airbags did not deploy, the driver's head was thrown around because the rest of his body was held firm by the seat belt. The driver was transported by ambulance to the hospital. After…”
Air Bags · filed Sep 21, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Motive Power
Defect Petition DP22003 · opened Sep 12, 2022 · closed Dec 12, 2023
- Throttle control system vulnerabilities
Defect Petition DP21003 · opened Nov 12, 2021 · closed Jun 20, 2023
Technical service bulletins
33 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2009 Kia Optima. The 10 most recent:
TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - 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…
TSB_TRA046_R5 · Service Bulletin/Repair Instructions · issued Apr 17, 2025
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.
TSB_TRA046_R4 · Service Bulletin/Repair Instructions · issued May 16, 2024
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…
TSB_TRA046_R3 · Service Bulletin/Repair Instructions · issued Nov 18, 2022
TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in…
TSB_BOD055_R1 · Service Bulletin/Repair Instructions · issued Sep 13, 2021
Tsb_bod056r1_closed: technical service bulletin closed
TSB_BOD056R1_CLS · Service Bulletin/Repair Instructions · issued May 19, 2021
TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating to the correct transmission fluid type…
TSB_TRA046_R1 · Service Bulletin/Repair Instructions · issued Apr 24, 2020
PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
PS539 · Service Bulletin/Repair Instructions · issued Mar 2, 2018
TSB: MANDATORY REPLACEMENT OF LOCKING/SECURITY HARDWARE - By design, certain fasteners, which are designed to lock into place once fully attached, are utilized in various Kia models and are strictly intended for ?one…
TSB-GEN085R1 · Service Bulletin/Repair Instructions · issued Jan 18, 2017
TSB: MANDATORY REPLACEMENT OF LOCKING/SECURITY HARDWARE - By design, certain fasteners utilized in various Kia models are strictly intended for ?one time use?. Though not limited to the following, some examples are…
TSB-GEN085 · Service Bulletin/Repair Instructions · issued Nov 4, 2016
Warranty bulletin: wty002 (revision #1) - 2006~2010my optima passenger seat ocs sensor mat warranty extension (wty002) - this bulletin provides information related to the replacement of the front passenger occupant…
WTY002BULLETINOP · Service Bulletin/Repair Instructions · issued Aug 10, 2016
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2009 Kia Optima has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2009 Kia Optima?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 65,000 miles — budget accordingly if the car is approaching that mileage.