Bugatti Veyron 16.4 is the costliest car in the world today. It is the most powerful, most expensive, and fastest street-legal production car in the world. It's cost is $1.23 million plus taxes (Approx Rs. 57 million + Taxes).
Bugatti Veyron has 8 Litre, 16 cylinder 64 valve engine which produce 1001HP power and has a maximum speed of 407km/hr.