VEHICLE REAR PORTION STRUCTURE

The vehicle rear portion structure includes a pair of rear portion structural members spaced apart in the vehicle width direction, a pair of rear side members spaced apart in the vehicle width direction, and a cross-connection member connecting the pair of rear portion structural members to each other, the rear portion structural member is a hollow member in which a body portion, a tower portion, and a suspension member portion are integrally cast, and a pair of arm portions connected to the tower portion.