PURPOSE: To provide a steering controller for vehicle which restrains a vehicle from being deviated by yaw rate with a simple structure.

CONSTITUTION: Piston pumps 9, 10 are interlocked with right and left front wheels 6FL, 6FR. For a pair of piston pumps 9, 10, mutual discharge ports 9a, 10a and suction ports 9b, 10b are connected through communicating pipes 11a, 11b. Fluid pressure supply pipes 18, 19 are branched respectively from a pair of comnunicating pipes 11a, 11b to respective fluid chambers of elastic bushes 16FR, 16FL. Fluid pressure corresponding to a difference in the rotational speed of both the pumps can be supplied to a steering assist means such as a power cylinder device 7.