Four-door, typically

SEDAN

["This common car style often has a separate trunk and is popular for families, sitting between coupes and SUVs in size."]

The clue "Four-door, typically" points to "SEDAN," which is the most common type of passenger car with four doors. It’s a straightforward definition—no wordplay or tricks—just naming the standard car body style that usually has two rows of seats and four doors. If you think of a basic family car, a sedan is likely what comes to mind.