Hennessey 2013 Venom GT SpyderAn open-air version of Hennessey's 1,200-horsepower Venom GT is a fabulous and extremely attractive car. The new Hennessey Venom GT Spyder comes with a removable top and will only be produced in a limited run of five units. The prices of the model begins from $1.1 million, about $150,000 more than the Coupe's top version. The Venom GT Spyder is powered by the same Chevrolet sourced V8 engine found in the Coupe with an output of 1,200 HP at 6,500 rpm and 1,155 lb-ft of torque at 4,200 rpm. The car sprints from 0-60 mph in 2.5 seconds and to 200 mph in 15.9 seconds, on its way up to a top speed of 275 mph.