Vehicle lower body structure

A vehicle lower body structure, comprising:

• a left and right pair of rockers provided on respective sides, in a vehicle width direction, of a vehicle lower body and extending in a vehicle front-rear direction;
• a left and right pair of front side members provided at a front side, in a vehicle front-rear direction, of the rockers and extending in the vehicle front-rear direction;
• a cross member extending in the vehicle width direction, interconnecting front end portions of the left and right pair of rockers, and interconnecting rear end portions of the left and right pair of front side members;
• and
• a dash panel disposed on a rear side, in the vehicle front-rear direction, of the cross member, mechanically fastened to the cross member via fasteners, and partitioning a vehicle cabin interior from a vehicle cabin exterior, wherein:
• the cross member includes a dash upper cross member positioned on an upper side and a dash lower cross member positioned on a lower side in a vehicle vertical direction, and
• the dash panel and the cross member are fastened at a position between the dash upper cross member and the dash lower cross member.