The Audi RS2 Avant, produced between 1994 and 1996 on the B4 platform (Typ 8C), stands as a landmark in performance wagon design. Developed in collaboration with Porsche and manufactured at their Zuffenhausen facility, this specialty vehicle represents the inaugural model under Audi's 'RS' (RennSport) performance division. It boasts a potent 2.2-liter turbocharged and intercooled inline 5-cylinder engine (ADU), delivering 315 PS and 480 Nm of torque, enabling a 0-60 mph time of approximately 4.8 seconds and a top speed of around 163 mph. Its robust engineering is further highlighted by a permanent all-wheel-drive Quattro system, large diameter disc brakes with ABS developed by Porsche, and a stiffened suspension, making it a celebrated icon of its era for blending extreme performance with everyday practicality. This comprehensive service and repair manual provides factory-level technical detail for the Audi RS2 Avant, covering every aspect necessary for meticulous maintenance and repair. It details procedures for the engine, brakes, sunroof, timing belt, and complex electrical systems, alongside extensive troubleshooting and diagnostic information. Included are specific instructions for engine overhaul, transmission servicing, front-end alignment, suspension work, and air conditioning maintenance. With complete wiring diagrams, computer diagnostic codes, and factory maintenance schedules, this manual is an indispensable resource for owners and technicians alike, ensuring the continued performance and longevity of this unique Audi model.