Kia Optima (2009)

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    Fuel requirements
    Gasoline engine (unleaded) Your new Kia vehicle is designed to use only unleaded fuel with a minimum Octane Rating of 87 Anti-Knock Index (AKI). NOTICE NEVER USE LEADED FUEL. The use of leaded ...

    Air cleaner
    Filter replacement It must be replaced when necessary, and should not be cleaned and reused. Replace the filter according to the Maintenance Schedule. If the vehicle is operated in extremely d ...

    Powertrains and Performance
    All Sorento trim levels come standard with a 2.4-liter four-cylinder engine rated at 175 horsepower and 169 pound-feet of torque. The base model has a six-speed manual transmission, while the othe ...