Koenigsegg Agera One:1

Yahoo Autos
February 28, 2014

If Swedish supercar maker Koenigsegg is to be believed, the Agera One:1 should be among the fastest cars on earth — sporting a 1,321-hp V-8, a 273-mph top speed and the capability of hitting 2 Gs of cornering force. Six will be built, and per Koenigsegg, all have been purchased already.