2015 Kia Optima
This year had more than double the complaints of this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
- Complaints
- 1,008
- Recalls
- 4
- Investigations
- 4
- Top problem
- Engine
Campaigns on file for 2015
Opened by NHTSA
62% of complaints
Complaints per year
2015: 1,008 complaints
View as data table
| Year | Complaints |
|---|---|
| 2001 | 143 |
| 2002 | 107 |
| 2003 | 141 |
| 2004 | 225 |
| 2005 | 144 |
| 2006 | 155 |
| 2007 | 166 |
| 2008 | 144 |
| 2009 | 116 |
| 2010 | 75 |
| 2011 | 593 |
| 2012 | 919 |
| 2013 | 1,383 |
| 2014 | 587 |
| 2015 | 1,008 |
| 2016 | 756 |
| 2017 | 256 |
| 2018 | 231 |
| 2019 | 210 |
| 2020 | 146 |
Known problem areas
Percentages can add to more than 100% — a complaint can name more than one system.
Engine
62% · 622 reportsShow complaint excerpts
My 2015 KIA optima experienced a catastrophic engine fire while I was driving. There was no warning, I just heard a boom in the engine bay the breaks stopped working and all electrical cut out.
NHTSA ODI report, 2026-08-24
Also filed under Fuel/propulsion system
I have 2015 Kia Optima grey or platinum graphite exterior color since aug 2019 I had an tbone accident last dec 26 2021 which iam not at fault for never received any type of comfort care claim it was during covid pandemic I was in the process of...
NHTSA ODI report, 2023-09-07
Also filed under Fuel/propulsion system and power train
Tl* the contact owns a 2015 Kia Optima. While driving 65 MPH, the contact heard a clanking sound as the vehicle accelerated. The vehicle stalled and thick, black smoke emerged from the engine.
NHTSA ODI report, 2018-05-18
Electrical system
13% · 136 reportsMost commonly citing key/sender and management system/energy control module (bms/becm).
Show complaint excerpts
The blue tooth for the phone if allowed to ring can cause one to loose control. The ring can go well past 100 db. If we forget to turn our blue tooth off it actually hurts.
NHTSA ODI report, 2015-10-05
The contact owns a 2015 Kia Optima. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed; however, the rear taillight socket wiring harness failed to function as intended.
NHTSA ODI report, 2026-07-29
I would say that the time this incident happened I was driving and me and me nephew were in car at time taking to shop to see why it was making a sound like air and all of sudden the car started swerving and slowing down and then it made a pop...
NHTSA ODI report, 2026-07-14
Also filed under Service brakes
Service brakes
9% · 90 reportsMost commonly citing hydraulic.
Structure
8% · 76 reportsMost commonly citing body.
Show complaint excerpts
Was at light then proceeded once light turned green traveling on left lane on a 2 lane city road. Used turning signal to move to right lane when another car that had turned at the traffic light on to the road I was traveling on.
NHTSA ODI report, 2017-12-23
Also filed under Wheels
Steering
7% · 69 reportsSafety timeline
4 recalls · 4 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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2015Complaint volume 1,008 complaints filed for this model year.
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2019-01-17Engine, fuel system, gasoline18V907000 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)...
Remedy: Kia has notified owners, and dealers will inspect and replace the fuel pipe, as necessary, free of charge. The recall began January 17, 2019. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC172.
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2019-04-19Engineering analysisClosed 2024-09-19 Electrical overstress
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2020-10-20Service brakes, hydraulic20V519000 Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles. Brake fluid may leak inside the Hydraulic Electronic Control Unit (HECU), possibly resulting in an electrical short.
Remedy: Kia will notify owners, and dealers will inspect the HECU for leaking brake fluid and replace the HECU if necessary, free of charge. Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed.
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2021-07-02Service brakes, hydraulic21V331000 Kia Motors America (Kia) is recalling certain 2013-2015 Optima and 2014-2015 Sorento vehicles previously recalled under recall 20V-519.
Remedy: Owners are advised to park outside and away from other vehicles and structures until the recall repair is completed. Dealers will install a new multi-fuse, and inspect the HECU for leaks, replacing the HECU if necessary, free of charge.
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2021-11-12Defect petitionClosed 2023-06-20 Throttle control system vulnerabilities
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2022-09-12Defect petitionClosed 2023-12-12 Loss of Motive Power
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2023-11-17Audit queryOpen Hyundai and Kia ABS Module Fires
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2024-03-29Service brakes, hydraulic23V652000 Kia America, Inc.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the HECU fuse, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed November 14, 2023.
Buy-smart checklist
2015 Kia Optima — pre-purchase inspection
Inspect
- Engine: 622 reports on file for this year.
- Electrical system: 136 reports on file for this year.
- Service brakes: 90 reports on file for this year.
Verify these recalls were completed
- Recall 18V907000 · Engine, fuel system, gasoline
- Recall 20V519000 · Service brakes, hydraulic
- Recall 21V331000 · Service brakes, hydraulic
- Recall 23V652000 · Service brakes, hydraulic
Other years of this model
See all years ranked →FAQ
- Is the 2015 Kia Optima reliable?
- Based on NHTSA complaint volume compared to this model's typical year, the 2015 Kia Optima is rated "significantly worse".
- What are the most common problems with the 2015 Kia Optima?
- The most-reported component is engine, accounting for 62% of complaints on file.
- How many recalls does the 2015 Kia Optima have?
- 4 recalls on file for this model year.
Data updated 2026-10-09 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.