1967 Corvette L89 – $1 Million (Estimated)
An even rarer version of the 1967 Corvette, the L89 package, was equipped with aluminum cylinder heads to enhance performance. Only 16 units were produced, making it only 16 units were produced, making it a true collector’s item. However, due to its ease of replication, collectors are cautious about paying premium prices unless impeccable documentation accompanies the vehicle.