The Koenigsegg One:1 is the ultimate supercar. It is the world's first megacar, with a power-to-weight ratio of 1:1. This means that it has the same amount of power as it does weight, making
From Wikipedia
The Koenigsegg Agera is a mid-engine sports car produced by Swedish car manufacturer Koenigsegg and is a successor to the CCX/CCXR. The name comes from the Swedish verb 'agera' which means "to act".