YearToAvoid

2008 Kia Optima Engine Problems

NHTSA has 29 owner complaints about engine problems in the 2008 Kia Optima, 20% of all 144 complaints for this model year. That is #11 highest engine complaint count among 16 Optima model years. These complaints report 4 crashes, 3 fires, and 7 injuries. Median mileage at failure: 74,000 miles.

Engine complaints
29
20% of 144
Crashes reported
4
Fires reported
3
Injuries reported
7
Median mileage
74,000 mi
Related recalls
0

When 2008 Kia Optima engine complaints were filed

First complaint Nov 22, 2008, latest Sep 16, 2026.

2008 Kia Optima engine complaints: complaints filed per month2Nov 2008Jan 2012Nov 2013Sep 2014Apr 2017Jul 2019Sep 2021
29 complaints filed with NHTSA from Nov 2008 to Sep 2026; peak Aug 2011 (2).

Engine recalls for the 2008 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 2008 Kia Optima have engine problems?
NHTSA has 29 owner complaints about the engine in the 2008 Kia Optima, 20% of all complaints for this model year, including 4 that report a crash. Median mileage at failure is 74,000 miles.
Which Kia Optima year has the most engine complaints?
The 2013 Kia Optima has the most engine complaints (670), compared with 29 for the 2008.
Is there a engine recall for the 2008 Kia Optima?
No NHTSA recall campaign for the 2008 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.