An automobile type is a classification of cars that share similar characteristics. The most common types are SEDAN, WAGON, and four-door SEDAN. A SEDAN is a car with four doors and a typical trunk, usually seating four or five people. A WAGON is a car with four doors and a large cargo area, typically seating five people. A four-door SEDAN is a car with four doors and a trunk, usually seating five people. All three types of automobiles are popular choices for everyday transportation.