Sedan (automobile)

passenger car in a 3-box configuration which is smaller than a minivan, hatchback, SUV or station wagon

A sedan, or saloon, is an automobile that has a low trunk, a roof and one or two doors on each side. The trunk is reachable only from outside.

This Toyota Corolla is a sedan

The word sedan is used in American English, but in British English such an automobile is called a saloon.