This manual covers the Ford Sierra RS, produced from 1985 to 1987. The Sierra RS, particularly the Cosworth variant, is recognized for its performance-oriented design, serving as a homologation special for Group A rallying. It competed in the performance compact and sports sedan segment against notable rivals like the Volkswagen Golf GTI and BMW 3 Series (E30). The vehicle is characterized by its emphasis on handling, sport suspension, and powerful engine options, including the 2.8L V6 in the XR4i and the turbocharged 2.0L Cosworth engine in the RS models.

This comprehensive workshop repair service manual in English provides detailed information for the repair and service of the Ford Sierra RS. It covers essential areas such as maintenance, troubleshooting, and diagnostics across various vehicle systems, including the powertrain, transmission, chassis, brakes, electrical components, and body/interior. The manual includes step-by-step instructions, exploded views, schematics, and diagnostic flowcharts, making it an invaluable resource for professional mechanics, performance tuning shops, and dedicated enthusiasts seeking to maintain and repair their vehicles.