Koenigsegg knows a lot about making impressive hypercars, and the Jesco Absolut is the latest product of that know-how.  Of course, while most of the cars on this list have reached their maximum speed, Jesco Absolut's 530 km speed is just a theory for now.  This speed is estimated according to mathematical calculations and no Jesco has yet reached this speed.  However, this $2.8 million Swedish monster, with 1,600 horsepower and 1,500 Nm of torque alongside an aerodynamic body that also produces significant downforce, could be capable of achieving such speeds provided it has the right place on Earth to do so.  Move at this speed!