How Much is a 1959 Triumph 3TA Worth at Auction?

The Triumph 3TA is a vintage 349cc parallel-twin introduced in 1956, produced through the 1956–1966 period and prized for its unit-construction engine, four-speed gearbox and classic chrome detailing. As a classic car-era British twin, the 3TA helped define Triumph’s post‑war lineup with accessible performance and elegant 1950s styling that attracts vintage and classic car collectors. Its compact handling, distinctive twin throb and period-correct fittings make the Triumph 3TA a charming, collectible piece of British motorcycling history.