See also:

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 ...

Interior Refinement
The style makeover continues into the Optima's cabin with expanded electronics melded with refreshed fascia patterns and color schemes. Based on a new platform, the standard audio system features ...

Engine cooling system
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 ...