The Ford Sierra, produced from 1982 to 1993, represents a significant chapter in automotive history, known for its aerodynamic styling and diverse range of variants, including hatchbacks, saloons, estates, and high-performance models like the XR4x4 and Cosworth. This model was designed to offer a blend of comfort and engaging handling, initially featuring rear-wheel drive and evolving to include front-wheel drive and all-wheel drive options, along with independent rear suspension in many configurations. Its innovative design philosophy and extensive variant diversity allowed it to compete effectively in the mid-size family car and sports hatchback segments against rivals such as the Volkswagen Golf and Vauxhall Astra.

This comprehensive Factory Service Manual / Workshop Manual provides in-depth coverage for the Ford Sierra (chassis code GBA4). It details mechanical, electrical, body, and diagnostic information, covering a vast array of systems including all petrol and diesel engines, manual and automatic transmissions, brakes, suspension, steering, electrical systems, fuel, cooling, exhaust, climate control, body, interior, and safety systems. With over 1000 pages of detailed procedures, technical specifications, wiring diagrams, and troubleshooting guides, this manual is an essential resource for owners, mechanics, and technicians seeking to maintain, repair, and understand their Ford Sierra.