The Subaru Impreza, specifically the 1994 model with chassis code GC8, represents a significant entry in Subaru's compact car lineup. Known for its robust engineering and the distinctive horizontally-opposed (Boxer) engine, this generation offered a compelling blend of practicality and driver engagement. Key features included the standard Symmetrical All-Wheel Drive system, providing superior traction and stability in various driving conditions, and a choice between the reliable 1.8L EJ18 engine or the more potent turbocharged 2.0L EJ20G, often found in performance-oriented variants. Its sporty handling characteristics and durable construction made it a popular choice for those seeking a capable and dependable compact vehicle. This comprehensive service manual is designed to be an essential resource for maintaining and repairing the 1994 Subaru Impreza. Covering over 1000 pages of detailed information, it delves into every major vehicle system, from the EJ18 and EJ20G engines to the transmission, suspension, brakes, and electrical systems. The manual provides step-by-step repair procedures, diagnostic troubleshooting, torque specifications, fluid requirements, and maintenance schedules. It is meticulously crafted to assist owners, mechanics, and technicians in performing routine maintenance, complex repairs, and in-depth diagnostics, ensuring the longevity and optimal performance of the vehicle.