A sedan, also known as a saloon in several English-speaking regions, is a classic automobile body style characterized by a three-box configuration. This design distinctly separates the vehicle into three dedicated compartments: one for the engine at the front, one for passengers in the middle, and one for cargo at the rear. Typically featuring four doors and a closed body with a fixed roof, sedans are engineered to provide a balanced combination of passenger comfort, structural safety, and practical utility for everyday driving. The term originally derived from 17th-century sedan chairs—enclosed litters used to carry passengers—before being applied to motor vehicles in the early 20th century. Over the decades, the sedan became the standard layout for personal transportation worldwide. Automobile manufacturers developed a wide spectrum of sedan sub-types, ranging from compact and mid-size models built for efficient urban driving to full-size and luxury variants designed for long-distance cruising and maximum interior space. Despite the growing popularity of crossovers and sport utility vehicles, the sedan maintains a significant role in modern transportation. Its lower ride height and reduced center of gravity provide distinct performance advantages, including refined handling, superior aerodynamics, and enhanced fuel efficiency compared to taller vehicle designs. Sedans remain widely used for personal commuting, family transit, corporate fleets, and ride-hailing services, valued for their predictable driving dynamics, enclosed trunk security, and timeless overall profile.