How to distinguish between car classes A, B, and C?

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The classification of car classes A, B, and C is primarily based on parameters such as wheelbase, engine displacement, and weight. The further the letter is in the alphabet, the longer the wheelbase, the larger the displacement and weight, and the higher the luxury level of the car. Class A cars refer to compact cars, with a wheelbase ranging from 2 meters to 2.2 meters and an engine displacement of less than 1 liter. Class B cars are mid-range cars, with a wheelbase approximately between 2.45 meters and 2.6 meters and a displacement ranging from 1.6 liters to 2.4 liters. Class C cars are high-end cars, with a wheelbase approximately between 2.6 meters and 2.8 meters and an engine displacement from 2.3 liters to 3.0 liters. With the increasing variety of models, styles, and configurations, the boundaries between Class A, B, and C cars are becoming more blurred. For example, some models may have a wheelbase within the Class A range, but their displacement is almost comparable to Class B cars. Therefore, car classification should also be handled flexibly according to specific circumstances.