World's Fastest: 270.49 mph Hennessey Venom GT www.youtube.com/watch?v=gWAavCjVQvM On February 14, 2014, the Hennessey Venom GT set a new world speed record for 2-seat sports cars by reaching a top speed of 270.49 mph (435.31 km/h). The test was performed at the John F. Kennedy Space Center on the 3.2-mile Space Shu