The Red Bull RB17 was never going to be just another hypercar. Now, nearly three years out from the concept’s original debut, Red Bull’s long-anticipated hypercar is almost ready for the road—er, track. According to Willoughby, Cosworth and Red Bull looked at every possible engine option before settling on a naturally aspirated 4.5-liter V10. Red Bull RB17 Prototype Photo by: Red Bull Content PoolAfter a bit of tinkering and a lot of testing, the team ultimately concluded that a naturally aspirated V10 offered the best balance of performance, responsiveness, and emotion. If Red Bull says, 'We really need to put the air intake in this space,' we know that's the case.