The Volvo 940, produced from 1990 to 1998, represents a mid-size luxury sedan and wagon renowned for its exceptional safety, durability, and comfortable driving experience. Built with robust construction and reliable B230 series Redblock engines, available in naturally aspirated or turbocharged variants, this model was designed for longevity and premium family transport. Its engineering emphasizes Volvo's signature commitment to safety, featuring reinforced structures and advanced restraint systems for its time. The 940 offered a refined and comfortable ride, making it a competitive choice against contemporaries like the BMW 3 Series and Mercedes-Benz 190E, and was a direct evolution of the esteemed Volvo 700 series.

This manual serves as a comprehensive guide for owners and technicians, covering essential information for the operation, maintenance, and basic upkeep of the 1991 Volvo 940. It details the vehicle's systems, including engine and transmission operation, braking, climate control, lighting, and safety features. The manual provides instructions for routine maintenance tasks such as fluid checks and tire pressure, as well as emergency procedures like jump-starting. While it offers owner-level insights into safe and efficient use, it does not delve into detailed repair procedures or diagnostic fault codes, focusing instead on fundamental knowledge for preserving the vehicle's integrity and performance.