2007 Kia Optima power train problems
13 owner complaints filed with NHTSA name the power train on the 2007 Kia Optima — 8% of all complaints for this model year.
What owners report
“My vehicle speed up and slow down all that itself. It will not maintain speed even with my foot steady on the gas. It will not accelerate, but the major problem is my seatbelt gets stuck all the time I’m afraid to get buckled. I am unable to remove my seatbelt multiple times so now I have buckled…”
filed Oct 12, 2023
“I've seen in other forums about engine recalls. I was never notified and the engine in my car disintegrated. It was replaced with an engine from a wrecking yard. This should be covered by manufacturer. I had issues with the brake lines rusting out. This should not have happened either. Not being…”
filed Jan 22, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Power TrainCampaign 11V153000 · Mar 9, 2011
Related service bulletins
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, 2025This 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, 2024TECHNICAL 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, 2022TECHNICAL 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
Power Train problems in other Optima years
| Year | Reports | Share |
|---|---|---|
| 2020 Optima | 25 | 18% |
| 2019 Optima | 16 | 8% |
| 2018 Optima | 18 | 8% |
| 2017 Optima | 20 | 8% |
| 2016 Optima | 72 | 10% |
| 2015 Optima | 49 | 5% |
| 2014 Optima | 20 | 3% |
| 2013 Optima | 64 | 5% |
| 2012 Optima | 54 | 6% |
| 2011 Optima | 25 | 4% |
| 2010 Optima | 24 | 32% |
| 2009 Optima | 33 | 28% |
Other reported problem areas on the 2007 Kia Optima
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.