2007 Kia Optima engine problems
The 2007 Kia Optima has 20 engine complaints filed with NHTSA — 9% of the year's total, and roughly flat versus the prior model year.
20
Engine complaints
9%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“I CAME TO A COMPLETE STOP AND PROCEEDED TO TURN LEFT WHEN I NOTICED THE CHECK ENGINE LIGHT CAME ON AND AS I PULLED OVER THERE I NOTICED A THICK CLOUD OF BLUE SMOKE OUT OF MY REAR VIEW MIRROR. I OPENED THE HOOD AND SAW FLAMES AT THE BACK OF THE ENGINE AROUND THE TRANSMISSION AND AIRCONDITIONER AREA…”
Common questions
How many engine complaints does the 2007 Kia Optima have?
NHTSA has 20 complaints about the 2007 Kia Optima engine — 9% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.