By John Redfern Aston Martin has unveiled its new Vanquish GT car, marking the return of a famous name for the first time since 2018. Replacing the DBS Superleggera, the reborn Vanquish promises to deliver tremendous performance, aided by a new twin-turbocharged V12 engine. Lawrence Stroll, executive chairman of Aston Martin, said: “With the introduction of Vanquish we have crowned Aston Martin’s next-generation sports car portfolio. A true halo model in every respect, Vanquish makes an emphatic statement. “It further delivers on our mission to create the most potent, most beautiful and most e…