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Warranty
The basic after-sale protection that comes with the typical sedan isn't quite as generous as the Kia Rio's. ...

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 ...

Emission control system
The emission control system of your vehicle is covered by a written limited warranty. Please see the warranty information contained in the Owner’s Handbook & Warranty Information booklet in ...