2008 Kia Optima Transmission and drivetrain Problems
- Complaints
- 18about this part
- Share
- 13%of 144 total for the year
- Median mileage
- 130,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 18 complaints about the transmission and drivetrain of the 2008 Kia Optima, 13% of the 144 complaints for this model year. Where a mileage was given, the median is 130,000 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My car suffered the same problem with the shift lever explained under NHTSA campaign number: 11v153000, however. My car was not part of that recall. The dealer said that the problem was caused by a damage bushing in the shift cable. The cost of the repair was $150.00 labor, $8.28 bushing and $50.00 for the tow.”
NHTSA complaint #10734050, filed 2015-07, 65,000 miles“My new Kia has about 700 miles on it, and when I park it on an incline such as the one entering my garage and I shut the engine off and place it into 1st gear (it is a standard shift), the car slips backward. Upon taking it to the dealership, they informed me that the engine compression in the car is too low to hold the car in 1st gear alone, and that the emergency brake must also be applied. …”
NHTSA complaint #10236263, filed 2008-07, 700 miles“My husband went to walmart to drop off a movie. When he came out he saw one of the employees holding the car from behind because it was rolling back. My husband put the car in park and turned it off and the car still rolled back. When he got in the car and turned it on the head board showed it was on 'n'. No check engin light or any other warning light was on. The shift gear was stuck on n. And if manual brake is not on then the car will roll back. You can move the gear stick in car to park or drive but the actual car is stuck on n. Shift gear will not change from n. …”
NHTSA complaint #11103720, filed 2018-06, 136,000 miles“My 2008 Kia Optima was a good car wiith no problems at all so when my car cut off on I 95 during rush hr. I was scared to death. As I was entering the ramp for I-95 my check engine light came on . I had a clickin noise in engine but within less then 2 min. As I merged into traffic my engine shut off and would not turn back on. After getting it towed to dealer ,everyone including dealer thought it was the starter or alternator because oil was fine and nothin was wrong.. The dealer said he couldnt find anything that should have caused engine to lock . …”
NHTSA complaint #10606605, filed 2014-06, 171,001 miles“Odometer Fraud. The contact owns a 2008 Kia Optima. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle's transmission failure. The contact discovered a mileage discrepancy after purchasing the vehicle. The vehicle was a dealer sale. At the time of purchase, the mileage was 198,000. It was later discovered that the mileage on the Title was 217,000.”
NHTSA complaint #11716258, filed 2026-02, 217,000 milesRelated recalls
- 11V153000Mar 9, 2011Kia is recalling certain model year 2006-2008 optima vehicles manufactured from september 29, 2005, through june 13, 2007. There is a possibility that the…Covers: Kia Optima 2006–2008
Related service bulletins
- 11017172Apr 17, 2025TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
- 11000787May 16, 2024This 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…
- 10226555Nov 18, 2022TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity…
- 10174520Apr 24, 2020TECHNICAL SERVICE BULLETIN: - TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. This bulletin provides information relating…
- 10091489Dec 6, 2013Tsb: automatic transmission fluid application guide - this bulletin provides information relating to the correct automatic transmission fluids that are required for each kia…
- 10034637Jul 1, 2010Kia: provides information related to the ecm software upgrade of some vehicles with 3.8l and 2.7l engines which may experience a malfunction indicator lamp illuminated with the…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 27 | 18% |
| 2019 | 17 | 8% |
| 2018 | 19 | 8% |
| 2017 | 21 | 8% |
| 2016 | 74 | 10% |
| 2015 | 49 | 5% |
| 2014 | 20 | 3% |
| 2013 | 64 | 5% |
| 2012 | 54 | 6% |
| 2011 | 25 | 4% |
| 2010 | 24 | 32% |
| 2009 | 33 | 28% |
| 2008 | 18 | 13% |
| 2007 | 13 | 8% |
| 2006 | 14 | 9% |
| 2005 | 3 | 2% |
| 2004 | 8 | 4% |
| 2003 | 8 | 6% |
| 2002 | 6 | 6% |
| 2001 | 12 | 8% |
Other parts of the 2008 Kia Optima
57 complaintsEngine
19 complaintsElectrical system
15 complaintsVisibility (wipers, defrost, mirrors)
14 complaintsOther or unknown
9 complaintsExterior lighting
8 complaintsBrakes
7 complaintsVehicle speed control
7 complaintsEngine cooling
5 complaintsFuel system
5 complaintsBody and structure
5 complaintsSeats
4 complaints
← All problems reported for the 2008 Kia Optima
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology