The following factors need to be considered when choosing a car wheel：

Tire size and type: The size and type of tires of different models are different. The wheel hub size should be selected according to the actual size and type of the vehicle.

Vehicle performance requirements: Different wheel sizes will affect the performance of the vehicle, such as acceleration, braking and handling.Choose the appropriate wheel size according to your own needs.

Driving conditions and driving habits: Different driving conditions and driving habits have an impact on the wear and service life of the wheel hub. The size of the wheel hub should be selected according to the actual situation.

Wheel material and manufacturing process: Different wheel material and manufacturing process will affect the quality and price of the wheel, and the appropriate wheel should be selected according to the actual situation.

In short, choosing the size of an automobile wheel hub requires comprehensive consideration of multiple factors, and trade-off and selection according to the actual situation.It is recommended to choose a regular manufacturer and brand when choosing wheels, and consult a professional auto repair master or salesperson.