The Mazda 6, specifically the first generation (GG/GY chassis) produced in 2005, is a mid-size sedan and hatchback known for embodying Mazda's "Zoom-Zoom" driving dynamics and stylish design. Available with either a 2.3L inline-4 engine or a more powerful 3.0L V6, it offered engaging performance and a practical interior, competing with established models like the Toyota Camry and Honda Accord. Safety was a strong point, with the 2005 model achieving high ratings in government crash tests. This generation also earned accolades, including being named to Car and Driver's 10Best list.

This comprehensive factory service manual provides detailed information for the North American market, covering all major systems of the Mazda 6. It includes extensive procedures for maintenance, troubleshooting, and repair, along with technical specifications, electrical schematics, and guidance on special tools. The manual is designed to assist owners, independent repair shops, and DIY mechanics in effectively maintaining and repairing their vehicles, ensuring optimal performance and longevity.