See also:

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 ...

Specifications
Specifications Recommended lubricants and capacities ...

THE VERDICT
Just a few years ago, the Kia Optima would have been a genuine competitor to the American sedans in the family car category. Unfortunately for Kia, companies like Ford and General Motors have made ...