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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    Dimensions
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    First impressions mean a lot
    At first glance, the Optima gives off more than a hint of a European vibe. A vast stylistic improvement over the namesake that it replaces, it sports larger dimensions than the outgoing model. Sur ...

    Lubricant specifications
    Recommended lubricants 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 ...