A passenger car for railway transportation, the passenger car comprising: - a car body, the car body being provided with a vestibule, at least one side doorway on one left or right side of the car body for boarding and alighting from the vestibule, and a side door for closing the side doorway, wherein the vestibule comprises a floor and at least one inner step, the inner step being lower than the floor, the inner step being located at the side doorway, between the floor and the side door in the closed position and the car body is further provided with an external access step movable in a transverse direction of the passenger car between a retracted position and at least one protruding position, wherein the external access step in the protruding position is lower than the inner step and at least partially extends in front of the side doorway, and - at least one bogie for supporting the car body, the bogie comprising a front set and a rear set of left and right wheels for rolling on left and right rails of a rail track, respectively, and a front set and a rear set of left and right bearings for guiding the front set and the rear set of left and right wheels, respectively, - the doorway is located at least partially between a front vertical transverse plane containing a revolution axis of the front set of left and right wheels and a rear vertical transverse plane containing a rear revolution axis of the rear set of left and right wheels, characterised in that: - the front and rear sets of left and right bearings are located between the left and right wheels of the front and rear sets of left and right wheels, respectively, and - the inner step and the external access step in the retracted position are located transversally outward from the bogie and the external access step in the retracted position is located below the inner step of the vestibule and the external access step is guided in translation between the retracted position and the protruding position. - a car body, the car body being provided with a vestibule, at least one side doorway on one left or right side of the car body for boarding and alighting from the vestibule, and a side door for closing the side doorway, wherein the vestibule comprises a floor and at least one inner step, the inner step being lower than the floor, the inner step being located at the side doorway, between the floor and the side door in the closed position and the car body is further provided with an external access step movable in a transverse direction of the passenger car between a retracted position and at least one protruding position, wherein the external access step in the protruding position is lower than the inner step and at least partially extends in front of the side doorway, and - at least one bogie for supporting the car body, the bogie comprising a front set and a rear set of left and right wheels for rolling on left and right rails of a rail track, respectively, and a front set and a rear set of left and right bearings for guiding the front set and the rear set of left and right wheels, respectively, - the doorway is located at least partially between a front vertical transverse plane containing a revolution axis of the front set of left and right wheels and a rear vertical transverse plane containing a rear revolution axis of the rear set of left and right wheels, - the front and rear sets of left and right bearings are located between the left and right wheels of the front and rear sets of left and right wheels, respectively, and - the inner step and the external access step in the retracted position are located transversally outward from the bogie and the external access step in the retracted position is located below the inner step of the vestibule and the external access step is guided in translation between the retracted position and the protruding position.