A vehicle of unibody construction includes a left rail, right rail, first kickup member, and second kickup member. A left transition portion of the left rail extends inboard and upward from a left forward portion to a left rear portion. A right transition portion of the right rail extends inboard and upward from the right forward portion to the right rear portion. A left end of the first kickup member is coupled to the left forward portion and a right end of the first kickup member is coupled to the right forward portion. The second kickup member is rearward of the first kickup member. A left end of the second kickup member is coupled to at least one of the left forward and left transition portions. A right end of the second kickup member is coupled to at least one of the right forward and right transition portions.