What is difference between a 4 wheel drive car and an all wheel drive car?
I have always understood that an allwheel drive car is always using all four wheels under power, while a 4 wheel drive car can be selected for either 2 or 4 wheel drive in a high or low ratio setting.
Actually, "All Wheel Drive" delivers power to either the front or rear wheels, depending on which has the least resistance. Power is transferred between front & rear according to the surface traction. Power is never delivered to both front & rear at the same time, except with symmetrical AWD such as Subaru.
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