See also:

Overview
Kia Motors America (KMA) unveiled the 2009 Kia Optima midsize sedan at the New York International Auto Show. On sale in early fall, the refreshed Optima offers a completely modified exterior, whic ...

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 ...

Dimensions
The typical sedan is tremendously heavier than the Kia Rio. Your wallet will hurt more every time you fill up the typical sedan than the Kia Rio because of its larger tank. The Rio and the typical ...