The audi wheels on the Audi Quattro four wheel drive system sends power to all four of the vehicle's tires which gives it huge off-road and road-gripping capabilities. Technically, this vehicle can be labeled as an "all-wheel drive." Typically, four drive systems only sent power to two car axles on the drivers que. This was because of standard open and locking differentials. When all four wheels are engaged on a flat road, it's difficult for vehicles to turn. However, the Audi Quattro has found a stylish way around that. The structure of their four wheel drive system is both clever and innovative.
It all begins with the transmission. Originally, four wheel drive cars feature a drive-transfer case with two drive shifts. Audi's version however, does not have this drive-transfer case. In its place is a Torsen differential on each one of the vehicle's axles. This structure is both powerful and effective. It makes all the mechanics a piece of cake.
Power easily passes through all three Torsens to the wheels equally when the Quattro is being driven on a smooth surface. When there is more resistance on one audi wheel than another, the power is divided accordingly. That means when the front passenger wheel hits a stiff gravel, creating more resistance against the front diver side wheel, a shift in the power will be sent to both wheels through the front-axle Torsen differentials. Thus, sending more power to the driver-side wheel to compensate for the mishap. This will happen too if both front wheels happen to go off the road, the differentials will send more power to the rear axles than the front.
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