•A 1963 Corvette Grand Sport Chassis 003 sold for $18.7 million including commissions at RM Sotheby's Monterey auction, setting a new Corvette auction record.
•The car, built by Corvette Chief Engineer Zora Arkus-Duntov, was one of five lightweight race cars designed to compete against Shelby Cobras.
•Chassis 003 raced in the 1964 and 1965 Sebring 12-hour races, achieving notable class finishes including second and third place.
•The car was previously owned for 23 years by California collector Larry Bowman and occasionally competes in historic racing events.
•Pre-sale estimates predicted a sale price between $11 million and $13 million, far below the final hammer price.
•Previous Corvette auction records include a 1957 Corvette SS sold for $7.7 million in 2025 and a 1967 Corvette L88 Coupe sold for $3.85 million in 2014.
•The auction took place at the Portola Hotel and Monterey Conference Center with active live bidding starting at $5 million and escalating beyond $17 million.