Fans of Aston Martin visiting the Geneva Motor Show will get to see the new Vanquish S Volante. But that won't be the only twelve-cylinder drop-top Aston on display: Kahn Design will also be on hand with the Vengeance Volante.

The firm known principally for customizing Land Rovers is preparing a convertible version of the Vengeance, which promises to embody the same muscular attitude as the coupe while embracing the open-air driving experience.