The sound design of "Cars" was also noteworthy, with a focus on creating realistic and immersive audio effects. The film's sound team developed innovative techniques to create the sound effects of the vehicles, which added to the overall authenticity of the film.

The film's art style was inspired by classic American cars, and the production team spent countless hours researching and studying the designs of various vehicles. The characters were designed to be relatable and endearing, with distinct personalities and traits.

The soundtrack for "Cars" features a range of country and folk music, which complements the film's themes and setting. The score was composed by Randy Newman, who incorporated classic American music styles into the film's soundtrack.