Hennessey Venom GT Spyder

The Hennessey Venom GT is an American sports car manufactured by Texasbased Hennessey Performance Engineering.It was revealed on March 29, 2010.
On January 21, 2013, the Venom GT set a Guinness World Record for the fastest production car from 0?300 kilometres per hour (0-186 mph) with an average acceleration time of 13.63 seconds.In addition, the car set an unofficial record for 0?200 mph (0?322 km/h) acceleration at 14.51 seconds, beating the Koenigsegg Agera Rs time of 17.68 seconds, making it the unofficial fastest accelerating car in the world.

On April 3, 2013, the Hennessy Venom GT crested 265.7 mph (427.6 km/h) over the course of 2 miles (3.2 km) during testing at United States Naval Air Station Lemoore in Lemoore, California. Hennessey used two VBOX 3i data logging systems to document the run and had VBOX officials on hand to certify the numbers.
On February 14, 2014, on the Kennedy Space Centers 3.22mile shuttle landing strip in Florida, the Hennessey team recorded a top speed of 270.49 mph (435.31 km/h) with Director of Miller Motorsport Park, Brian Smith, at the wheel.As the run was in a single direction, and only 16 cars have been sold to date , it does not qualify as the worlds fastest production car in the Guinness Book of Records.