The Hennessey Venom GT Spyder will accelerate to 200mph in 15.9 seconds, eight seconds faster than a Bugatti Veyron. This is the fastest convertible in the world. The only convertible version was sold to recording
artist Steve Tyler who took delivery May 29th 2012. The car features 1,244 hp in the 7.0 Liter Twin Turbo V8. The car sold for $1.1 Million.