See also:

Vehicle identification number (VIN)
The vehicle identification number (VIN) is the number used in registering your vehicle and in all legal matters pertaining to its ownership, etc. The number is punched on the floor under the fr ...

Price Ranges
The base Optima LX is priced at $16,355 with a 4-cylinder engine and 5-speed manual transmission and an extra $1,295 with a 5-speed automatic. An LX V6 costs $19,345 and comes only with the automa ...

Stop and Go available for two engines
By the end of 2010, Kia will be offering its fuel-stretching ISG (Intelligent Stop and Go) system as an option on both the 1.7 diesel and 1.6 GDI engine. ISG automatically switches the engine off ...