The most expensive American cars sold at auction

1935 Duesenberg SSJ. $22m. Duesenbergs were the most extravagant vehicles of their era, serving as status symbols for the wealthy and famous. This roadster with coachwork by LaGrande is one of only two SSJ models built on the short wheelbase with the twin-carb supercharged engine. It was originally owned by actor Gary Cooper.

1962 Shelby Cobra. $13.7m. The first Shelby Cobra ever built. This prototype features unique characteristics not shared in later production Cobras.

1966 Ford GT40 Mk II. $13.2m. This GT40 made a second-place finish at the 1966 12 Hours of Sebring behind the GT40 X-1 roadster piloted by Ken Miles and Lloyd Ruby. Just eight Mk II GT40s were built.

1968 Ford GT40 Gulf/Mirage Lightweight. $11m. Jacky Ickx and Dr. Dick Thompson drove this car in its race debut at Spa in 1967, where it won. It also served as a camera car in Steve McQueen’s Le Mans.

1931 Duesenberg Model J Long-Wheelbase Coupe. $10.3m. This coupe, with Coachwork by Walter M. Murphy Company, was restored to exacting standards and won its class at the Pebble Beach Concours d’Elegance.

1966 Ford GT40 Mk II. $9.7m. This GT40 Mk II was campaigned by legends including Ken Miles, Richie Ginther, A.J. Foyt, Mark Donohue, and Peter Revson.

1969 Ford GT40 Lightweight. $7.8m. Equipped with its original body, chassis, engine, and transaxle, this small-block-powered GT40 lightweight was rebuilt and restored to its 1969 specification.

1957 Chevrolet Corvette SS Project XP-64 $7.7m. This car was the personal project of Zora Arkus-Duntov, the father of the Corvette. It shared little but the grille with its factory Corvette brethren.

1964 Shelby Cobra Daytona. $7.6m. Helping Shelby win the GT 3.0+ class at the 1965 World Sportscar Championship, just six copies of the Cobra Daytona were built.