The present invention relates to a torque vectoring system for a vehicle, and in particular, a vehicle that improves handling and traction performance when driving a vehicle by providing a power distribution device for controlling power distribution of left and right wheels on one side of a differential gear device. It relates to a torque vectoring system. The configuration consists of a ring gear and a power distribution device that is formed on one side of a differential gear to control power distribution for left and right wheels, and a power distribution device that is formed on one side of the power distribution device and does not require a torque vectoring function. A torque vectoring system for a vehicle including an insulated operating device that is connected to or disconnected from the power distribution device in a section, wherein the power distribution device includes an input disk, a reaction disk, and a power roller for power distribution of left and right wheels. It characterized in that it comprises a.
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