How Much is a 1946 Triumph Speed Twin Worth at Auction?

The Triumph Speed Twin, introduced in production year 1938, is a landmark British classic that helped define twin-cylinder motorcycle design. Its 500cc parallel-twin engine by Edward Turner and slim, agile chassis transformed handling and styling, earning the Speed Twin an enduring place among vintage enthusiasts. Distinctive tank graphics, clean lines and cafe-racer appeal make the Triumph Speed Twin a favorite for classic car and vintage collectors seeking period-correct character.