text: Autobild.De / Audi Sport Quattro S1 topgearrussia.ru / Audi Sport Quattro S1 supercars.net / Audi Sport Quattro S1 Audi quattro Mid-Engine (Gr.B Proto) & Audi Sport quattro RS “002” (Gr.S Proto) | Rally Group B Shrine (англ.), Rally Group B Shrine (18 January 2016).