Official: 2014 Aston Martin Vanquish Volante drops its mind-blowingly beautiful top (Autoblog) Filed under: Convertible, Performance, Aston Martin, UK, Luxury Behold the 2014 Aston Martin Vanquish Volante in all its convertible glory. Like its hard top twin, the convertible Vanquish boasts a 5.9-liter V12 engine with 565 horsepower and 457 pound-feet of torque. That thrust is good enough to push the car to a top speed of 183 miles per hour, and Aston Martin says the 2014 Vanquish Volante is the first of the company’s convertibles to bow with body panels comprised entirely of carbon fiber. It also offers the …