Comfort

While the front cabin in the Rio offers a bit more head room than the typical sedan, there honestly isn't much of a difference. While the rear of the typical sedan provides a bit more head- and leg-room than the Kia Rio, there really isn't much of a difference.

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    Price Ranges
    The base Optima LX is priced at $16,355 with a 4-cylinder engine and 5-speed manual transmission and an extra $1,295 with a 5-speed automatic. An LX V6 costs $19,345 and comes only with the automa ...

    Interior features
    Cigarette lighter For the cigarette lighter to work, the ignition switch must be in the ACC position or the ON position. To open the cover, press the cover and it will slowly open. To use the ...

    Engine coolant
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...