Do you mean:
* How much current does a car's battery draw? This would depend on the specific car model and its components.
* What are the current requirements of different car components? For example, the headlights, engine, radio, etc., all have different current needs.
* What are the factors affecting current consumption in a car? These include driving conditions, speed, climate control, and more.
To give you a useful answer, please provide more context about what you're looking for.