Full-size car—also known as large car—is a vehicle size class which originated in the United States and is used for cars larger than mid-size cars. It is the largest size class for cars. In Europe, it is known as E-segment or F-segment.

Mid-size—also known as intermediate—is a vehicle size class which originated in the United States and is used for cars larger than compact cars and smaller than full-size cars. "Large family car" is a UK term and a part of the D-segment in the European car classification. Mid-size cars are manufactured in a variety of body styles, including sedans, coupes, station wagons, hatchbacks, and convertibles. Compact executive cars can also fall under the mid-size category.