What do A-class, B-class, and C-class cars mean?

[SpencerDella]

A-class sedans, B-class mid-range sedans, C-class high-end sedans. A-class: A-class cars are further divided into A00-class, A0-class, and A-class. A00-class refers to what is commonly known as micro cars, with a wheelbase typically between 2 meters and 2.2 meters, an engine displacement below 1 liter, and an overall length not exceeding 3.65 meters. A0-class is a slightly larger version of A00-class cars, with a small body size and a wheelbase of 2.2-2.3 meters, and a displacement of 1-1.3 liters. A-class cars are compact cars, with a wheelbase of 2.3-2.5 meters and a displacement of around 1.3-2.0 liters. B-class: B-class cars are mid-size cars, with a wheelbase of 2.7 to 3.0 meters, a body length of 4.8 to 5.0 meters, and a displacement of 1.5 to 2.5 liters. C-class: C-class cars are large mid-size cars, with a wheelbase generally maintained above 2.8 meters and a displacement of around 2.3-3.0 liters. D-class: D-class cars are long-bodied luxury sedans, also known as full-size cars. They have a wheelbase above 2.8 meters and a displacement above 3.0 liters.