Vehicle body floor construction of motor vehicle

摘要

A vehicle body floor construction of a motor vehicle, wherein a tunnel being upwardly projecting, downwardly opening and disposed in the longitudinal direction of the vehicle is formed at the central portion in the widthwise direction of a floor panel, a fuel tank is disposed in the tunnel and at least one cross member traversing the fuel tank disposed in said tunnel in front, at the back or at the underneath of the fuel tank in a manner to block the tunnel are integrally formed on the floor panel.