LEGO MOC Audi Quattro A1 Rally (Group 4) by JMPmodels

LEGO MOC Audi Quattro S1 by NV Carmocs

LEGO MOC Audi Quattro A2 Safari (Group B) by JMPmodels

LEGO MOC Audi TT Quattro 8N by universalbrick

LEGO MOC Group B Rally Car by Nico71

Custom LEGO Audi Sport Quattro S1 E2 instructions (MOC #135)

MOC] Audi Quattro Group B Rally Car - LEGO Technic, Mindstorms

MOC] Audi Quattro Group B Rally Car - LEGO Technic, Mindstorms

LEGO MOC Audi Sport Quattro - 76897 by IBrickedItUp

LEGO MOC Audi S1 Hoonitron by KMPMOCS