American cars, especially classic muscle cars, continue to be hot items at Barrett-Jackson's and RM Auctions' annual Arizona events.
1966 Shelby Cobra 427
1966 Shelby Cobra 427 "Super Snake"
Sold for: $5.5 million

Description: Only two of these cars were made. The other was built for comedian Bill Cosby who drove it once, was terrified of it, and returned it to Shelby.

In a 1968 comedy routine about his brief test drive, Cosby said he told the Shelby America representative who delivered the car "Take these keys and this car, it's all paid for, and you give it to George Wallace."

Wallace was the segregationist governor of Alabama.

A subsequent owner (not Wallace) was killed in a crash that sent that car into the Pacific Ocean.

This version of the car was one Shelby built for his own use. It still has its original supercharged Ford 427 engine and three-speed automatic transmission.

1966 Cobra

1971 'Cuda

1954 Firearrow IV

1937 Duesenberg

Warrior One

1967 Corvette

2007 Shelby GT

1958 Corvette

1961 300G

1970 Cougar
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