Vehicle rear portion structure

A vehicle rear portion structure comprising:

• a center frame that is disposed closer to a center portion of a vehicle in a vehicle width direction than both side portions of the vehicle in the vehicle width direction, that is disposed on a rear side in the vehicle, and that extends in a front-rear direction of the vehicle;
• a bumper beam that is disposed on a rear side of the center frame to be next to the center frame, that is disposed at a position which overlaps the center frame when viewed from a front-rear direction, and that is configured to be crushable due to a rear collision load,
• a cross member that is disposed in front of the center frame, and that extends in the vehicle width direction;
• side frames respectively disposed on both side portions of the vehicle in the vehicle width direction, and
• a rear floor panel disposed at a rear portion of the vehicle,
• wherein a front portion of the center frame is connected with the cross member, and both end portions of the cross member in the vehicle width direction are respectively connected with rear end portions of the side frames,
• the rear floor panel is constituted by a double panel structure including an upper panel and a lower panel disposed below the upper panel, and
• the center frame is provided on a lower surface of the upper panel.