Autos on steroids: The 10 fastest cars of 2011
Engine: Twin turbo 6-liter W-12
Horsepower: 621
McLaren MP4-12C
Engine: Twin turbo 3.8-liter V-8
Horsepower: 592
Porsche 911 GT2 RS
Engine: Twin turbo 3.6-liter flat six-cylinder
Horsepower: 523
Ferrari FF
Engine: 6.3-liter V-12
Horsepower: 651
Ferrari 599 GTO
Engine: 6-liter V-12
Horsepower: 661
Pagani Zonda F
Engine: Twin turbo 6-liter V-12
Horsepower: 602
Pagani Huayra
Engine: Twin turbo 6-liter V-12
Horsepower: 700+
Koenigsegg CCXR
Engine: Twin supercharged 4.7-liter V-8
Horsepower: 1,064
SSC Ultimate Aero
Engine: Twin turbo 6.3-liter V-8
Horsepower: 1,287
Bugatti Veyron Super Sport
Engine: Quad turbo 8-liter W-16
Horsepower: 1,184