Top 5 Fastest Cars in the World 2017 | World's Top Speed Cars 2017 || Viral Rocket br br Here are the World's top speed sports cars of 2017. Top 5 fastest cars in the world 2017 are br br 1. Hennessey Venom GT br 2. Bugatti Veyron Super Sport br 3. Bugatti Chiron br 4. SSC ultimate Aero br 5. Saleem S7 Twin turbo br br Watch this video exclusively in Viral Rocket Channel to know the top speed of the top world sports cars.