The Tesla Model S featured in this video is the most powerful Tesla S out there, the P85D, has a 691 horsepower engine with a top speed of 249 km/h and able to reach 0-60 mp/h in only 3.2 seconds. But who will it perform against the mighty Audi R8? The R8 used for this race is the 5.2 litre V10, with a 0-60mp/h of 3.7 seconds and a top speed of 316 km/h. Which car will come out on top? Click the video below and find out.