Patent ID: 8292356

Claim:
A lower vehicle-body structure of a vehicle, comprising: a side sill including a side sill inner and a side sill outer; a center pillar connected to said side sill at a lower end thereof; a side-sill reinforcement provided inside said side sill having the side sill inner and the side sill outer, the side-sill reinforcement having a U-shaped cross section opening toward a vehicle inside; a reinforcing member provided at a lower-outside corner of said side-sill reinforcement so as to extend in a vehicle longitudinal direction including a connection portion of the side sill to the center pillar for straining deformation of the corner; and a deformation promoting portion provided at an upper face of the side-sill reinforcement at a specified position which corresponds to said connection portion for prompting deformation of the upper portion of the side-sill reinforcement.