| 摘要 |
There is provided a lower vehicle body structure, in which a floor panel 2 is provided between a pair of side sills 1, 1 extending longitudinally, a tunnel portion 3 extending longitudinally is provided at a central portion of the floor panel 2, and a seat 25 is provided between the side sill 1 and tunnel portion 3, wherein there are provided a seat support member outer 9 to support the seat 25, which extends longitudinally inside the side sill 1, and a plurality of cross members 11, 12 extending in the vehicle width direction with a specified distance therebetween longitudinally, outside end portions of which are connected to the seat support member outer 9 and inside end portions of which are connected to the tunnel portion 3. Accordingly, both layout of the seat 25 and sufficient vehicle body rigidity against a vehicle side crash can be provided.
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