A seat for a vehicle having a seating. The vehicle having a floor. The seating having a first flank and a second flank, on the opposite sides with respect to the seating. The seating further having a lower face facing at least one portion of the vehicle floor. The seat comprising a support for the seating suitable to allow at least the height adjustment of the seating relative to the vehicle floor, comprising a first piston rod and a second piston rod arranged at the front part and externally facing on opposite sides the flanks of the seating, and comprising a third piston rod and a fourth piston rod arranged at the back and facing on opposite sides the flanks of the seating or elongations thereof.