Rear tail door structure and automobile with same

The utility model provides a rear tail door structure and an automobile with the same. The rear tail door structure comprises a rear tail outer plate, a rear tail inner plate and a reinforcing plate, the rear tail outer plate comprises an outer plate body and a mounting plate connected to the outer plate body, the thickness of the mounting plate is larger than that of the outer plate body, the reinforcing plate is connected between the mounting plate and the rear tail inner plate, and the reinforcing plate is used for fixing a hinge of a tail door; according to the rear tail door structure and the automobile thereof, the overall weight of the rear tail outer plate is reduced, and therefore the rear tail outer plate can be conveniently installed. 本申请提供一种后尾门结构及其汽车；该后尾门结构包括：后尾外板、后尾内板和加强板，后尾外板包括外板本体和连接至外板本体上的安装板，安装板的厚度大于外板本体的厚度，加强板连接至安装板与后尾内板之间，且加强板用于供尾门的铰链固定；本申请的后尾门结构及其汽车，减少了后尾外板的整体重量，从而便于对后尾外板安装。