1986 Audi 5000 CS Quattro speed record prototype surfaces for sale

A heavily modified 1986 Audi 5000 CS Quattro sedan driven by three-time Indianapolis 500 winner Bobby Unser in a successful speed record attempt is up for grabs. After spending decades in a private collection, the speed record sedan will be one of the featured lots at an upcoming Bonhams sale in Paris scheduled for Feb. 6. Bonhams expects the car…