Bugatti Veyron

The Super Sport version of the Veyron is recognised by Guinness World Records as the fastest street-legal production car in the world, with a top speed of 431.072 km/h (267.856 mph). Hennessey Performance Engineering made the Venom GT with a 4.238 km/h (2.633 mph) faster than the Veyron Super Sport, but the 2014 run was in only one direction, so it was not recognized by Guinness. The roadster Veyron Grand Sport Vitesse version is the fastest roadster in the world, reaching an averaged top speed of 408.84 km/h (254.04 mph) in a test on 6 April 2013. The Venom GT Spyder is 18.6 km/h (11.56 mph) faster than the Veyron Grand Sport Vitesse, but the 2016 run was a one-direction run, so it was not recognized by Guinness.

Question: is the bugatti veyron the fastest car in the world
Answer: no