French, American, Swedish, British, German and Italian carmakers top this year's fastest cars in production:
1. Bugatti Veyron Super Sport
2. Hennessey Venom GT
3. Koenigsegg Agera R
4. SSC Ultimate Aero
5. Saleen S6 Twin-Turbo
6. Koegnigsegg CCX
7. McLaren F1
8. Gumpert Apollo
9. Noble M600
10. Aston Martin One-77
11. Ascari A10
12. Lamborghini Aventador
13. Pagani Zonda Cinque Roadster
14. Ferrari Enzo
15. Jaguar XJ220