A front subframe structure for an automotive vehicle comprises: a pair of right and left side members each provided with an arm support member for supporting a suspension arm is mounted; a cross member disposed between the left and right side members to couple together respective locations in the side members at each of which the arm support member is provided; and an oblique member extending from central portion of the cross member, in each of right and left directions of the vehicle and obliquely rearwardly and outwardly in the vehicle width direction, wherein each of the side members has a rear end joined to a rear portion of a respective one of the oblique members, and wherein the rear portion of the oblique member is provided with a tunnel-lower-frame coupling portion couplable to a tunnel lower frame, and a floor frame attaching portion attachable to a floor frame.