How Much is a 1959 Triumph Bonneville Worth at Auction?

The 1959 Triumph Bonneville represents a specific production year with 1 documented auction sales in the past 12 months. This year commands a premium of 82% above the overall model median, reflecting its position within the model's production timeline. The median sale price of $13,000 places it above the broader Triumph Bonneville market average of $7,150. Values for this year range from $13,000 to $13,000, demonstrating notable variation based on condition, mileage, and specific configuration.