See also:

Kia Rio review
The 2011 Kia Rio ranks 28 out of 33 Affordable Small Cars. This ranking is based on our analysis of 48 published reviews and test drives of the Kia Rio, and our analysis of reliability and safety ...

Explanation of scheduled maintenance items
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...

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 ...