An end structure of a motor vehicle body has two longitudinal struts which extend along respective axes have respective ends, on which respective attachment plates are fitted; the attachment plates have respective walls, which are ring-shaped about longitudinal axes and defined frontally by respective faces having substantially vertical and flat resting zones; two supporting plates rest respectively on these resting zones and are fixed to the walls and to two buffering elements, which are substantially coaxial to the struts; the two attachment plates further have respective tabs, which are radiused to said walls at an inner annular perimeter thereof and end with respective edges, which are longitudinally aligned with the supporting plates.