Motor vehicle with a twist beam axle with a longitudinally movable stub axle

The vehicle has an axle (20) with a stub axle (30) on which wheels are mounted, and a longitudinal arm (40) connected to a body shell by an end. A connection unit (50) has a guiding unit (51) for guiding the axle (30) in movement on a longitudinal curved path and an elastic unit (52) with elastic spacers (521) inserted between the axle (30) and arm to move the axle (30) towards a rest position when the axle (30) is moved along the path.