How Much is a Triumph Thunderbird Worth at Auction?

The Triumph Thunderbird represents a highly variable segment of the classic car market, with limited market activity reflected in 5 auction sales over the past 12 months. The median sale price currently sits at $10,000, with values ranging from $5,555 for entry-level examples to $12,956 for collector-grade vehicles. This 74% price spread indicates significant variation in condition, mileage, and provenance among sold examples.

As a Triumph Thunderbird, this vehicle occupies a accessible classic segment. Since its introduction in 1950, it has become a staple for Triumph enthusiasts.

The availability of 650cc OHV Parallel Twin and 649cc Parallel-Twin engines and (4-speed) transmissions significantly impacts the resale value. Enthusiasts often prioritize specific mechanical configurations, with manual transmissions and high-performance engines typically commanding a premium in the current auction climate.