605HP Audi S8 Plus vs Porsche 991 Turbo vs Nissan GT-R Nismo Drag & Track by turboandstance - October 24, 2018October 24, 2018 This video features a beasty 605HP 4.0 TFSI V8 Biturbo tuned Audi S8 Plus racing among several supercars during a track event in Germany! The S8 is not really the ideal car to use on a racetrack and it was quite impressive to see in action! Leave a comment