Fuel tank construction of motor vehicle

摘要

A fuel tank construction of a motor vehicle, wherein a fuel tank disposed in a tunnel projecting upwardly from the surface of a floor panel, opening downwardly, disposed in the longitudinal direction of the vehicle and formed at the central portion in the widthwise direction of the floor panel is of such an arrangement that a pair of upper and lower tanks being of substantially triangular shapes are welded into a substantially square shape in cross section to form the fuel tank and seam portions formed by the welding are located at opposite corner portions and on one of diagonal lines of a space formed by the substantially square shape.