Which character is the former Piston Cup champion in Pixar’s Cars?

Doc Hudson is the former Piston Cup champion in Pixar’s Cars.

Doc is a Hudson Hornet who lives in Radiator Springs and initially serves as the town’s local doctor. He is later revealed to have been the Fabulous Hudson Hornet, a celebrated racer who won three Piston Cups. His racing career ended after a serious crash and a painful loss of public attention.

Doc’s history explains his early distrust of Lightning McQueen. McQueen is talented but arrogant, while Doc remembers how quickly racing organizations and fans can discard an older champion. Over the course of Cars, Doc becomes McQueen’s mentor and crew chief.

Doc Hudson was voiced by Paul Newman, whose own connection to auto racing added resonance to the role. Newman was a successful race-car driver and team owner in real life. The character is a Hudson Hornet, not a generic race car, and his championship history belongs to the fictional Piston Cup world.