How are sedan classes divided?

[VonKingston]

Classification of sedan classes: 1. Class A cars: Also known as compact cars, with even smaller models referred to as subcompact cars (A0 class), typically featuring a wheelbase between 2.4 to 2.6 meters and engine displacements mostly around 1.0 to 1.5 liters; 2. Class B cars: Also called midsize cars, with wheelbases ranging from 2.7 to 2.9 meters and displacements around 1.4 to 2.5 liters; 3. Class C cars: Referred to as full-size cars, with wheelbases around 3 meters and displacements between 2.0 to 3.0 liters. Common Class C models include the Audi A6, BMW 5 Series, and Mercedes-Benz E-Class; 4. Class D cars: Known as luxury cars or large luxury sedans, with wheelbases varying from 3.1 to 3.6 meters and displacements ranging from 2.0 to 6.6 liters. Representative models include the Mercedes-Benz S-Class, BMW 7 Series, Audi A8, Bentley, and Rolls-Royce.