Which are the most expensive cars in the world?

There are quite a lot of expensive cars in the world today. Here is a short list of the top ten most expensive car.

1. Sweptail by Roll Royce - $13 million.
2. Mercedes Benz Machbach Exelero - $8 million.
3. Koenigsegg CCXR Trevota - $4.8 million.
4. Lamborghini Veneno Roadster - $4.5 million.
5. Aston Martin Vulcan - $3.2 million.
6. McLaren P1 LM - $3.6 million.
7. Lykan Hypersport - $3.4 million.
8. Limited Edition Bugatti Veyron by Masory Vivere - $3.4 million.
9. Ferrari Pininfarina Sergion - 3 million.
10. Pagani Huraya BC - $2.8 million.