REF THE TWO PREVIOUS COMPLAINTS FIRST. #10170291 & 10208029. THIS IS THE 3RD COMPLAINT ON OUR 2006 KIA OPTIMA LX. ON 11/5/07 A NEW TENSIONER AND DRIVE BELT WERE REPLACED. THIS MADE THE 4TH ATTEMPT TO REPAIR THE SAME PULLEYS & BELTS SYSTEM. THE PROBLEM BEGAN @ MILEAGE 5033 IN SEPT 2006. APROX 16,500 MILEAGE AND THE PROBLEM CONTINUES AND APPEARS TO BE GETTING WORSE. ON 12/5/2007 I TOOK THE CAR TO DE…
2006 Kia Optima engine problems
moderate 11 complaints filed with NHTSA · avg repair $3,100
Complaints
11
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 2 most recent
ON 11/05/07 OUR 2006 KIA OPTIMA LX WAS TAKEN IS THE SHOP FOR A FIFTH TIME SINCE A SQUEALING NOISE HAD APPEARED AGAIN. THE CAR HAS NOW HAD 2 TENSIONERS AND THREE DRIVE BELTS REPLACED AS OF 11/5/2007. I STRONGLY EXPRESSED TO DEALER # 113211 THAT I WISHED TO HAVE THE IN STATE LEMON LAW APPLIED DUE TO THE FACT A REASONABLE AMOUNT OF ATTEMPTS HAD BEEN MADE TO REPAIR A NONCONFORMITY PER IC 24-5-13-10. …
Common questions
How serious is the engine problem on the 2006 Kia Optima?
It's a documented issue but not catastrophic. 11 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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