end 4 b of the suspension upper arm 4 an inboard branch 5 b of the suspension lower wishbone 5 and the aforementioned articulation spindle 9 are articulated and of a second shorter link rod 8 b to which only the other branch 5 b of the suspension lower wishbone 5 and the articulation spindle 9 are articulated the pivot lever 8 the arms 4 and 5 and the hub carrier 3 together form an articulated quadrilateral a connecting rod 10 extends in the transverse direction of the vehicle and connects the two pivot transfer levers associated with the front left and front right wheels the connecting rod 10 is connected to each pivot transfer lever 8 by one of its ends 10 a at an intermediate point between the articulation spindle 9 and the point of articulation with the suspension lower arm 5 thus the two pivot transfer levers 8 and the connecting rod 10 form with the chassis an articulated parallelogram fig2 to 4 depict the rear suspension in which elements which are identical to or similar to those of the front suspension carry the same reference numerals increased by 10 the main differences between the rear suspension and the front suspension relate to the steering rod 17 which in this instance is attached at its outboard end to the hub carrier 13 and at its inboard end to the rear of the body of the vehicle to prevent the rear wheels 11 from steering the suspension lower arm 15 and the suspension upper arm 14 are connected to the hub carrier 13 by pivot connections with just one axis of articulation oriented in the longitudinal direction of the.