Is the Bugatti Veyron fastest car in world since it goes 265 mph even though law says should only go to 250?

No, the Bugatti Veyron is not the fastest car in the world and it also does not go to 265 mph. The speed limit for most cars on public roads is 70 mph, not 250 mph.

The fastest car in the world as of 2022 is the Hennessey Venom F5, which has a top speed of 301 mph. The Bugatti Veyron Super Sport has a top speed of 267.86 mph, which it achieved in 2010. However, this record was broken by the Koenigsegg Agera RS in 2017, which reached a top speed of 284.55 mph.