Cruz Ramirez replaces Lightning McQueen as champion in Pixar’s Cars 3.
Cruz is introduced as McQueen’s assigned trainer at the Rust-eze Racing Center. She has extensive technical knowledge and simulator experience, but she initially believes that she is not suited to become a professional racer herself.
McQueen’s decision to let Cruz race in his place at the Florida 500 reveals her ability. She competes against Jackson Storm and wins, becoming the new Piston Cup champion. McQueen then adopts Doc Hudson’s old number 51 and begins a new role connected to Cruz’s career.
Cruz’s victory is different from a simple retirement story. McQueen does not disappear from racing; instead, he changes direction and supports the next generation. The film’s central theme is the value of mentoring, adaptation, and recognizing talent that others have overlooked.