DEARBORN, Mich., March 16 /PRNewswire-FirstCall/ --
New 2011 Mustang GT vaults to the top of its class with final fuel economy certified by the EPA this week at 26 mpg highway and 17 mpg cityThe Mustang GT -- carrying a 412-horsepower 5.0-liter V-8 engine and six-speed manual transmission -- deliver