It’s time for Audi and Tesla to go head-to-head! The RS4 rolls up with a 2.9-litre V6 with 450hp, but that power's dwarfed by the Model X's dual electric motors which can produce 770hp and can hit 0-60 in around 3 seconds! So does the RS4 stand a chance? There’s only one way to find out… LET'S RACE! | carwow