The Audi RS2 Avant, produced between 1994 and 1995, represents a unique collaboration between Audi and Porsche, creating a high-performance compact executive wagon. Based on the Audi 80 Avant (B4 chassis), this homologation special was engineered to compete in touring car racing, boasting a potent 2.2-liter turbocharged inline-5 engine producing 310 PS and 302 lb-ft of torque, paired with a Porsche-designed 6-speed manual transmission and Audi's renowned Quattro all-wheel-drive system. Its distinctive blend of supercar performance, practical station wagon utility, and robust engineering established it as a benchmark in its segment, celebrated for its groundbreaking capabilities and limited production run. This comprehensive factory service manual provides in-depth coverage for the Audi RS2 Avant (Type 89), encompassing all aspects of service, repair, and maintenance. It details procedures for the powertrain, drivetrain, chassis, and electrical systems, offering step-by-step instructions, diagnostic guides, and technical specifications crucial for accurate upkeep. Whether performing routine scheduled maintenance, complex component repairs, or in-depth troubleshooting, this manual serves as an indispensable resource for owners, mechanics, and technicians, ensuring the optimal performance, reliability, and longevity of this exceptional vehicle.