US Patent 11691677 Vehicle body structure

A vehicle body structure includes a floor tunnel, a cross member, and a bulkhead. The cross member includes a cross member longitudinal wall and a cross member flange. The bulkhead includes a bulkhead longitudinal wall. The bulkhead longitudinal wall and the cross member longitudinal wall are arranged at the same position in a vehicle body front-to-rear direction. The first cross member flange includes a bond part that is bonded to the floor tunnel and a welding part. The welding part is welded to the floor tunnel at a position that is more separated from the cross member longitudinal wall than the bond part.