700HP Audi RS4 B5 Avant vs 740HP BMW M6 Drag & Track by turboandstance - April 8, 2019August 31, 2020 This video features a brutal sounding Audi RS4 B5 Avant. Engine output is an impressive 700HP thanks to the 2.7L BiTurbo. It participated in this years Deutsche Meisterschaft' on Black Forest Airport in Lahr, Germany. This event is all about roll racing over 1000 meters with a rolling start at 50km/h