 The 2006 GT-H was built as a 40th anniversary Hertz rental model as a tribute to the GT350-H in 1966.The GT-H was an exclusive Shelby styled GT that was also used as a concept for the planned Shelby GTs, released in the summer of 2007.After the success of the 2006 Shelby GT-H coupe, a 2007 GT-H convertible was released, 500 were produced.