The Mitsubishi Grandis, model code NA4W, is a mid-size Multi-Purpose Vehicle (MPV) first introduced in 2004. Built by Mitsubishi Motors Corporation, it succeeded the popular Space Wagon and Chariot models, aiming to offer a more stylish and sporty design. Powered by a 2.4-liter 4G69 MIVEC inline-four engine producing approximately 160 horsepower, and typically paired with a 4-speed INVECS-II automatic transmission, the Grandis was designed for family transport. Its spacious interior, versatile seating arrangements, and comfortable ride made it a practical choice, competing with other MPVs of its era. The vehicle was manufactured at Mitsubishi's Mizushima Plant in Japan and produced from 2003 to 2011. This comprehensive workshop service manual provides detailed information for the Mitsubishi Grandis. It covers essential maintenance procedures, including oil changes, filter replacements, and spark plug servicing, along with extensive repair and overhaul instructions for the powertrain, chassis, and electrical systems. Troubleshooting guides, diagnostic procedures, and technical specifications such as torque values and wiring diagrams are included to assist both professional technicians and DIY enthusiasts. The manual's scope encompasses the engine, transmission, suspension, brakes, steering, body, and interior components, offering a complete resource for maintaining and repairing the vehicle.