US$18-million Grand Sport becomes most expensive Corvette ever

Insight summary

• •A 1963 Chevrolet Corvette Grand Sport (chassis 003) is set for auction on August 15, 2026, with pre-sale estimates between US$11 million to US$13 million.
• •The Grand Sport was engineered by Zora Arkus-Duntov as a racing prototype to compete against the Cobra.
• •The car ultimately sold for US$18.7 million (CDN$26 million), becoming the most expensive Corvette ever sold.
• •This sale more than doubled the previous Corvette record of US$7.7 million set 18 months earlier.
• •The car’s sale reflects a rising market value for classic American racing cars, highlighted by a Shelby Daytona sale for US$39 million.
• •The Grand Sport project was initially a secret factory effort due to a GM ban on corporate racing involvement.