Link To My Flickr Page: Facebook page: Google+ page: .\rbr\rbrAudi Quattro Gr. 4 vs Gr. B (Flames & Sound) HD Group B was introduced by the FIA in 1982 as replacement for both Group 4 (modified grand touring) and .\rbr\rbrThis video is all about a timeless rally icon; The Audi Sport Quattro, which is powered by the famous Audi 2.1 liter inline 5 turbo engine, including start up, revs, .\rbr\rbrYet another hillclimb monster I filmed during the 2015 Cronoscalata Verzegnis; the awesome Audi S2 R Quattro Coupè of Karl Werner. This beast is powered by .