what the world fastest car

Used to be the Ferrari Enzo but now it is the Bugatti Veyron.

Wrong on both accounts there mate. After the McLaren F1 held the record, the Koenigsegg CCR took the record, followed by the Veyron, and is now held by the SSC Ultimate Aero TT.... Seriously look at the several hundred other threads like this before asking this question or answering.

no it isnt ssc ultimate aero is