A torque control system for vehicles provided with a four-wheel drive mechanism including a power plant having an engine and transmission, and torque control means for controlling a torque distribution between front and rear wheels detecting rotation speed difference between the front and rear wheels so that the torque distribution ratio of the rear wheels to the front wheels can be maintained at a given constant value irrespective of a change of the output torque of the power plant. The torque control system is provided with a vehicle speed sensor and steering angle sensor in order to obtain the rotation speed difference.
