Brad Winmiler is a fan of the Piston Cup Racing Series. He is a yellow Sedan that has a chrome bumper, a chrome grille, and chrome rims.
In Cars, Brad attends the tie-breaker race between Strip Weathers, Chick Hicks, and Lightning McQueen at the Los Angeles International Speedway. To support the Piston Cup, he wears a large yellow Piston Cup souvenir on his roof, as well as a smaller green Piston Cup souvenir near his mirror.
- Brad's name is likely a parody of Pixar employee Brad Winemiller, a visual effects artist that has worked on several films, including Cars and Cars 2.