How Much is a 1970 Buick Gran Sport Worth at Auction?

The 1970 Buick Gran Sport represents a specific production year with 1 documented auction sales in the past 12 months. This year commands a premium of 74% above the overall model median, reflecting its position within the model's production timeline. The median sale price of $68,000 places it above the broader Buick Gran Sport market average of $39,000. Values for this year range from $68,000 to $68,000, demonstrating notable variation based on condition, mileage, and specific configuration.