The Aston Martin DBS GT Zagato was officially revealed alongside the DB4 GT Zagato Continuation this week at Audrain’s Newport Concours in the United States, and completes the DBZ Centenary Collection. Limited to 19-sets worldwide and priced at $7.4-million USD for both vehicles, the former sleek is powered by a twin-turbocharged 5.2L V12 generating 771 horsepower.