A variable steering angle type steering device comprising: a steering column which comprises a cylindrical shape and is supported to a support frame disposed in a width direction of a vehicle body; a first rotating shaft which is rotatably supported in the steering column and is configured to be rotated by a steering wheel fixed to a rear end portion of the first rotating shaft; a second rotating shaft which is provided concentrically with the first rotating shaft and is configured to apply a steering angle to steered wheels in association with rotation; a transmission which is a differential transmission provided between the first rotating shaft and the second rotating shaft and configured to connect the first rotating shaft and the second rotating shaft so that a rotating force can be transmitted; and a steering angle ratio adjustment motor which is supported and fixed with respect to the steering column and is provided to rotate a rotational element configuring the transmission, wherein the rotational element is rotated by the steering angle ratio adjustment motor, so that a relationship between an amount of rotation of the first rotating shaft and an amount of rotation of the second rotating shaft is changed, and a relationship between an amount of steering of the steering wheel and an amount of change in steering angle is changed, wherein the steering angle ratio adjustment motor is supported and fixed to a part of the steering column forward than a part at which the steering column is supported to the support frame, and wherein upon primary collision, the steering angle ratio adjustment motor collides with the support frame, and the steering angle ratio adjustment motor is prevented from being displaced rearward beyond the support frame, characterized in that the variable steering angle type steering further comprising an auxiliary force applying device configured to apply an auxiliary force, which is the same direction as a force to be applied from the steering wheel, to the second rotating shaft or a member configured to be displaced in association with the rotation of the second rotating shaft, wherein the auxiliary force applying device is provided at a part forward than the steering angle ratio adjustment motor, and wherein the auxiliary force applying motor and the steering angle ratio adjustment motor are further configured such that they overlap with each other in the axial direction of the central axis of the steering column. a steering column which comprises a cylindrical shape and is supported to a support frame disposed in a width direction of a vehicle body; a first rotating shaft which is rotatably supported in the steering column and is configured to be rotated by a steering wheel fixed to a rear end portion of the first rotating shaft; a second rotating shaft which is provided concentrically with the first rotating shaft and is configured to apply a steering angle to steered wheels in association with rotation; a transmission which is a differential transmission provided between the first rotating shaft and the second rotating shaft and configured to connect the first rotating shaft and the second rotating shaft so that a rotating force can be transmitted; and a steering angle ratio adjustment motor which is supported and fixed with respect to the steering column and is provided to rotate a rotational element configuring the transmission, wherein the rotational element is rotated by the steering angle ratio adjustment motor, so that a relationship between an amount of rotation of the first rotating shaft and an amount of rotation of the second rotating shaft is changed, and a relationship between an amount of steering of the steering wheel and an amount of change in steering angle is changed, wherein the steering angle ratio adjustment motor is supported and fixed to a part of the steering column forward than a part at which the steering column is supported to the support frame, and wherein upon primary collision, the steering angle ratio adjustment motor collides with the support frame, and the steering angle ratio adjustment motor is prevented from being displaced rearward beyond the support frame, characterized in that the variable steering angle type steering further comprising an auxiliary force applying device configured to apply an auxiliary force, which is the same direction as a force to be applied from the steering wheel, to the second rotating shaft or a member configured to be displaced in association with the rotation of the second rotating shaft, wherein the auxiliary force applying device is provided at a part forward than the steering angle ratio adjustment motor, and wherein the auxiliary force applying motor and the steering angle ratio adjustment motor are further configured such that they overlap with each other in the axial direction of the central axis of the steering column.