Kahn Vengeance Volante DB9 based supercar revealed at Geneva
British design house Khan is back at the Geneva motor show in 2017 with another Aston Martin DB9 based supercar – a convertible version of the WB12 Vengeance coupe revealed at the show last year. • best supercars on sale 2017 It recieves few design alterations – lack of fixed roof aside – compared to last year’s coupe. The same ‘roulette’ style alloy wheels are fitted, alongside the old-school rounded…