The Triumph GT6, including the GT6 Vitesse variant, represents a distinctive chapter in British sports car manufacturing, produced between 1966 and 1973. This sporty coupe, offered in MkI, MkII, and MkIII generations, was engineered to provide a more potent and luxurious driving experience than its Spitfire sibling, featuring a sleek Kamm-tailed body and the robust Triumph Slant-Four derived inline-six engine. Its key attributes include a powerful straight-six engine, a comfortable ride for a sports car, and versatile Grand Tourer capabilities, making it a compelling choice against competitors of its era.

This comprehensive service and repair workshop manual is designed to assist owners and technicians in maintaining and restoring Triumph GT6 and GT6 Vitesse models. It covers all major mechanical and electrical systems, including detailed procedures for engine overhaul, transmission and clutch service, brake and suspension repairs, steering system adjustments, and electrical system troubleshooting. The manual provides essential information on scheduled maintenance, fluid specifications, and common issues, ensuring the longevity and optimal performance of these classic vehicles.