A vehicle comprising a vehicle body part (3, 4), an onboard equipment, and an onboard equipment fixing structure for mounting the onboard equipment in the vehicle, the onboard equipment fixing structure comprising: a bracket (11, 31) fixing the onboard equipment (10, 12) to the vehicle body part (3, 4) of the vehicle, wherein the bracket (11, 31) includes: a vehicle body attaching portion (110, 310) attached to the vehicle body part (3, 4); an equipment attaching portion (111, 311) attached to the onboard equipment (10, 12); a connecting portion (112L, 112R, 312L, 312R) which connects the vehicle body attaching portion (110, 310) and the equipment attaching portion (111, 311), the connecting portion (112L, 112R, 312L, 312R) including vertical wall parts (112L, 112R, 312L, 312R) which face each other; and an opening portion (113, 313) which is formed in an area surrounded by the vehicle body attaching portion (110, 310), the equipment attaching portion (111, 311) and the vertical wall parts of the connecting portion (112L, 112R, 312L, 312R), characterized in that: the equipment attaching portion (111, 311) is attached to a side surface (10b, 12b) of the onboard equipment (10, 12) which extends in a vertical direction of the vehicle; in that the vehicle body attaching portion (110, 310) is fixed to the vehicle body part (3, 4) so as to be disposed closer to the outside of the vehicle body than the equipment attaching portion (111, 311); and in that the opening portion (113, 313) is formed as a brittle part so as to cause the bracket (11, 31) to be easily deformed when a collision load is inputted into the vehicle. a bracket (11, 31) fixing the onboard equipment (10, 12) to the vehicle body part (3, 4) of the vehicle, wherein the bracket (11, 31) includes: a vehicle body attaching portion (110, 310) attached to the vehicle body part (3, 4); an equipment attaching portion (111, 311) attached to the onboard equipment (10, 12); a connecting portion (112L, 112R, 312L, 312R) which connects the vehicle body attaching portion (110, 310) and the equipment attaching portion (111, 311), the connecting portion (112L, 112R, 312L, 312R) including vertical wall parts (112L, 112R, 312L, 312R) which face each other; and an opening portion (113, 313) which is formed in an area surrounded by the vehicle body attaching portion (110, 310), the equipment attaching portion (111, 311) and the vertical wall parts of the connecting portion (112L, 112R, 312L, 312R), characterized in that: the equipment attaching portion (111, 311) is attached to a side surface (10b, 12b) of the onboard equipment (10, 12) which extends in a vertical direction of the vehicle; in that the vehicle body attaching portion (110, 310) is fixed to the vehicle body part (3, 4) so as to be disposed closer to the outside of the vehicle body than the equipment attaching portion (111, 311); and in that the opening portion (113, 313) is formed as a brittle part so as to cause the bracket (11, 31) to be easily deformed when a collision load is inputted into the vehicle. a vehicle body attaching portion (110, 310) attached to the vehicle body part (3, 4); an equipment attaching portion (111, 311) attached to the onboard equipment (10, 12); a connecting portion (112L, 112R, 312L, 312R) which connects the vehicle body attaching portion (110, 310) and the equipment attaching portion (111, 311), the connecting portion (112L, 112R, 312L, 312R) including vertical wall parts (112L, 112R, 312L, 312R) which face each other; and an opening portion (113, 313) which is formed in an area surrounded by the vehicle body attaching portion (110, 310), the equipment attaching portion (111, 311) and the vertical wall parts of the connecting portion (112L, 112R, 312L, 312R), characterized in that: the equipment attaching portion (111, 311) is attached to a side surface (10b, 12b) of the onboard equipment (10, 12) which extends in a vertical direction of the vehicle; in that the vehicle body attaching portion (110, 310) is fixed to the vehicle body part (3, 4) so as to be disposed closer to the outside of the vehicle body than the equipment attaching portion (111, 311); and in that the opening portion (113, 313) is formed as a brittle part so as to cause the bracket (11, 31) to be easily deformed when a collision load is inputted into the vehicle. the equipment attaching portion (111, 311) is attached to a side surface (10b, 12b) of the onboard equipment (10, 12) which extends in a vertical direction of the vehicle; in that the vehicle body attaching portion (110, 310) is fixed to the vehicle body part (3, 4) so as to be disposed closer to the outside of the vehicle body than the equipment attaching portion (111, 311); and in that the opening portion (113, 313) is formed as a brittle part so as to cause the bracket (11, 31) to be easily deformed when a collision load is inputted into the vehicle.