Lightning McQueen is one of the most veteran runners in the Piston Cup, but to remain the best race car in the world, he must prove to others what he is capable of. In this new installment of 'Cars', the famous red car will have to face the new generation of riders, younger, faster and more powerful, that threaten his career. One of the cars that is emphasizing is the competitive Jackson Storm, with which there will be a great rivalry.

After a big accident, all the lights look at Ray, criticizing him because, after this, it will not be the same race car again. But to achieve his goal, and win the race will count on his team and his friends. In this film, a new character, Cruz Ramírez, is introduced, a young and intelligent yellow car that will help Ray during the hard moments of the competition.