2008 Chrysler Sebring - new battery estimate

Wife bought a new Dodge Stratus new in March of 2000 battery was inside left front fender never had any problem with the battery until November 2009 needed a jump to start one day same day replaced with a new Interstate battery that took about 15 minutes to change and lasted until car was totaled six years later I believe the original Mopar battery was over ten years old.