Patent attributes
A vehicle side portion structure including: a rocker that extends in a vehicle longitudinal direction at a vehicle transverse direction outer side of a vehicle body lower portion; a sliding door that slides in the vehicle longitudinal direction, includes a door inner panel, which is connected to the rocker by a door hinge slidable in the vehicle longitudinal direction and which has a mounted-to portion that is lined up in a vehicle transverse direction with the rocker, and includes a door outer panel that is disposed further toward a vehicle transverse direction outer side than the door inner panel; and a load transmitting member that is mounted to the mounted-to portion and transmits a collision load, which is input to the door outer panel from a vehicle side, to a region of the rocker that is different from a region to which the door hinge is connected.