See also:

Comprehensive 'active' and 'passive' safety
For new Kia Rio, an all-new bodyshell was created using a higher percentage of high-strength steel than the third-generation model, enhancing strength and rigidity. Special attention was given to ...

By the numbers
The Kia Optima is a five-seat mid-size segment passenger car that has an interior that the EPA will probably consider a full size interior. Longer, lower and wider than the vehicle it replaces, it ...

Fuel requirements
Gasoline engine (unleaded) Your new Kia vehicle is designed to use only unleaded fuel with a minimum Octane Rating of 87 Anti-Knock Index (AKI). NOTICE NEVER USE LEADED FUEL. The use of leaded ...