Developed by David Thomas and built by Marine Construction Ltd in the UK, the Sigma 400 earned a strong reputation as a capable and competitive offshore racer-cruiser during the 1980s. Part of the well-regarded Sigma range that produced several successful one-design classes, the 400 sits at the larger end of the family, offering a blend of racing performance and genuine cruising comfort that appealed to serious club racers and bluewater-minded sailors alike. Designed with clean, efficient lines and a balanced hull form, the Sigma 400 performs well in a variety of conditions and has proven itself on offshore passages as well as inshore racing circuits. Its British heritage means it handles the challenging conditions of North Sea and Channel sailing with confidence, making it a practical choice for coastal and offshore work rather than purely fair-weather sailing. For buyers researching a do-it-all performance cruiser with solid racing credentials and a proven track record, the Sigma 400 remains an attractive option in the used market, backed by an active class association that continues to support owners and competitive sailing.

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vs. Sabre 402, Sun Fast 40 Jeanneau, Swan 40 Frers