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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 ...

2006 Kia Optima
Far more buyers of reasonably priced economy-oriented cars are likely to notice the much-improved revamped 2006 Kia Optima midsize sedan. The new Optima has slicker styling, more power and added s ...

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 ...