This video features the astonishing and very special Koenigsegg One:1 going absolutely flatout on circuit SPA-Francorchamps! This Koenigsegg One:1 is the worlds first Megacar. This means the car producing 1360 BHP with 1360kgs (World’s first car with over 1 Horsepower per kilo). Only 6 production cars were ever built, plus one development car #00. This Koenigsegg One:1 with Chassis #00 is for sale at SuperVettura in London with an asking price of $7.4 Million.