A vehicle outside mirror device comprising: a base that is fixed to a vehicle body; an electrically driven storage unit; and a mirror assembly that is mount to the base so as to be rotatable via the electrically driven storage unit, wherein the electrically driven storage unit comprises a shaft that is fixed to the base, a casing which is mounted to the shaft so as to be rotatable and to which the mirror assembly is mounted, a first buffering mechanism, a motor, a rotation force transmission mechanism, and a second buffering mechanism (33, 35), wherein the first buffering mechanism is a mechanism which is made of a first member, a second member that is the casing, and a spring, and in which a notch portion (47, 50, 51, 48, 53, 54) having a tilt face (28, 52, 34, 55) is provided in a respective one of the first member and the second member, when the mirror assembly is positioned between a use location and a storage location, the tilt face (28, 52) of the first member and the tilt face (34, 55) of the second member are caused to abut against each other by means of a spring force of the spring, and when the mirror assembly rotates forward from the use location with respect to the shaft for buffering, the tilt face (34, 55) of the second member runs aground along the tilt face (28, 52) of the first member against the spring force of the spring, wherein the second buffering mechanism (33, 35) is a mechanism which is made of a first member that is disabled from rotating with respect to the shaft, a second member that is rotatable with respect to the shaft, and the spring, and in which a notch portion (40, 41) having a tilt face (38, 42) is provided in a respective one of the first member and the second member, the tilt face of the first member and the tilt face of the second member are caused to abut against each other by means of the spring force of the spring, when the mirror assembly rotates with a force that is equal to or greater than an electrically driven rotation force of the electrically driven storage unit, the tilt face of the second member runs aground along the tilt face of the first member against the spring force of the spring, and wherein with regard to at least either one of a set of the notch portion (47, 50, 51, 48, 53, 54) of the first member and the notch portion (40, 41) of the second member of the first buffering mechanism and a set of the notch portion (47, 50, 51, 48, 53, 54) of the first member and the notch portion (40, 41) of the second member of the second buffering mechanism (33, 35), a plurality of the tilt faces are provided for a respective one of the notch portions. a base that is fixed to a vehicle body; an electrically driven storage unit; and a mirror assembly that is mount to the base so as to be rotatable via the electrically driven storage unit, wherein the electrically driven storage unit comprises a shaft that is fixed to the base, a casing which is mounted to the shaft so as to be rotatable and to which the mirror assembly is mounted, a first buffering mechanism, a motor, a rotation force transmission mechanism, and a second buffering mechanism (33, 35), wherein the first buffering mechanism is a mechanism which is made of a first member, a second member that is the casing, and a spring, and in which a notch portion (47, 50, 51, 48, 53, 54) having a tilt face (28, 52, 34, 55) is provided in a respective one of the first member and the second member, when the mirror assembly is positioned between a use location and a storage location, the tilt face (28, 52) of the first member and the tilt face (34, 55) of the second member are caused to abut against each other by means of a spring force of the spring, and when the mirror assembly rotates forward from the use location with respect to the shaft for buffering, the tilt face (34, 55) of the second member runs aground along the tilt face (28, 52) of the first member against the spring force of the spring, wherein the second buffering mechanism (33, 35) is a mechanism which is made of a first member that is disabled from rotating with respect to the shaft, a second member that is rotatable with respect to the shaft, and the spring, and in which a notch portion (40, 41) having a tilt face (38, 42) is provided in a respective one of the first member and the second member, the tilt face of the first member and the tilt face of the second member are caused to abut against each other by means of the spring force of the spring, when the mirror assembly rotates with a force that is equal to or greater than an electrically driven rotation force of the electrically driven storage unit, the tilt face of the second member runs aground along the tilt face of the first member against the spring force of the spring, and wherein with regard to at least either one of a set of the notch portion (47, 50, 51, 48, 53, 54) of the first member and the notch portion (40, 41) of the second member of the first buffering mechanism and a set of the notch portion (47, 50, 51, 48, 53, 54) of the first member and the notch portion (40, 41) of the second member of the second buffering mechanism (33, 35), a plurality of the tilt faces are provided for a respective one of the notch portions.