Mustang Camaro Rivalry

FILE - In this May 15, 2009 file photo, a 2010 Chevy Camaro RS is shown on display inside the showroom at Glen Campbell Chevrolet in Williamsville, N.Y. Ford is cranking up the horsepower on the 2011 Mustang as it tries to win back muscle car sales from its archrival, the Chevrolet Camaro. (AP Photo/David Duprey, File)