Brake Boyd is a blue car that is a fan of the Piston Cup Racing Series. In Cars, Brake can be seen attending the tie-breaker race at the Los Angeles International Speedway. He, Coriander Widetrack, and M.A. Brake Drumm watch admiringly as Marco, Stu Bop, and another jet fly over them.
- He might be named after Pixar employee Brian Boyd, who worked on visual effects for Cars, Cars 2 and Cars 3.
- Although the Mattel die-cast product names suggest that Brake is Coriander's father, he has a different surname than her, leading to some confusion surrounding his relation to Widetrack.