Kia Optima

Kia Optima

Kia Optima

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Recommended lubricants and capacities
To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in improv ...

Air cleaner
Filter replacement It must be replaced when necessary, and should not be washed. You can clean the filter when inspecting the air cleaner element. Clean the filter by using compressed air. Rep ...

Additional Horsepower
The 2.4-liter 161-horsepower 4-cylinder engine has gained 23 horsepower from the early-2006 model and provides good acceleration below 60 mph—but average performance above that speed. The 2.7-li ...