(http://media.il.edmunds-media.com/ford/shelby-gt500/2013/ns/2013_ford_shelby-gt500_det_ns_52412_196.jpg) A one-of-a-kind 2013 Ford Shelby GT500 will cross the auction block on September 22 to benefit the Edith and Benson Ford Heart & Vascular Institute at the Henry Ford Health System in Detroit.
InsideLine