See also:

Convenience
The Kia Rio's fuel tank will need to be replenished more often than the unit in the average sedan. ...

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 ...

Efficient, Powerful Engine
Available in two powerplants - a 2.4-liter four-cylinder or a 2.7-liter V6 engine - and two five-speed transmissions (manual with LX four-cylinder model only), the 2009 Kia Optima introduces a new ...