Lightning McQueen a NASCAR race car, another character is Mater as a Chevrolet Task-Force 3800, take a look at Sally Carrera - Porsche 911 and other characters
Alderman Hudson, Mr. King - a Plymouth Superbird, Luigi - a Fiat 500, and Guido - a fictional pickup truck modeled after a BMW Isetta and Cucumber and his Volkswagen Transporter Type 2, Gienia - a Ford T, Sheriff - a Mercury.