YearToAvoid

2007 Kia Optima Engine Problems

NHTSA has 25 owner complaints about engine problems in the 2007 Kia Optima, 15% of all 167 complaints for this model year. That is #13 highest engine complaint count among 16 Optima model years. These complaints report 3 crashes and 5 fires. Median mileage at failure: 95,500 miles.

Engine complaints
25
15% of 167
Crashes reported
3
Fires reported
5
Injuries reported
0
Median mileage
95,500 mi
Related recalls
0

When 2007 Kia Optima engine complaints were filed

First complaint Jul 11, 2008, latest Aug 1, 2025.

2007 Kia Optima engine complaints: complaints filed per month3Jul 2008Mar 2011Apr 2013May 2014Oct 2015Dec 2016Mar 2019Oct 2023
25 complaints filed with NHTSA from Jul 2008 to Aug 2025; peak Sep 2014 (3).

Engine recalls for the 2007 Kia Optima

No safety recalls on record for this model year.

Engine complaints by Optima model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20056 (4%)
  2. 200621 (14%)
  3. 200725 (15%)
  4. 200829 (20%)
  5. 200927 (23%)
  6. 201016 (21%)
  7. 2011269 (45%)
  8. 2012441 (48%)
  9. 2013670 (48%)
  10. 2014306 (52%)
  11. 2015657 (65%)
  12. 2016450 (60%)
  13. 2017174 (68%)
  14. 2018146 (63%)
  15. 201997 (47%)
  16. 2020106 (73%)

Frequently asked questions

Does the 2007 Kia Optima have engine problems?
NHTSA has 25 owner complaints about the engine in the 2007 Kia Optima, 15% of all complaints for this model year, including 3 that report a crash. Median mileage at failure is 95,500 miles.
Which Kia Optima year has the most engine complaints?
The 2013 Kia Optima has the most engine complaints (670), compared with 25 for the 2007.
Is there a engine recall for the 2007 Kia Optima?
No NHTSA recall campaign for the 2007 Kia Optima is classified under engine. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.