Rear side member of vehicle

A rear side member of a vehicle, the rear side member comprising:

• a front portion extending forward in a vehicle length direction;
• a rear portion extending rearward in the vehicle length direction and disposed offset to an inside of the vehicle with respect to the front portion;
• and
• a transition portion in a curved shape connecting a rear end of the front portion and a front end of the rear portion and passing through both a first point configured to engage with a trailing arm of a coupled torsion beam axle suspension and a second point configured to engage with an upper arm of a wishbone suspension,
• wherein the front portion and the rear portion have a rectilinear shape.

A vehicle comprising:

• a vehicle body;
• a pair of rear side members coupled to opposite sides of the vehicle body in a vehicle width direction, wherein each of the rear side members comprises:
• a front portion extending forward in a vehicle length direction;
• a rear portion extending rearward in the vehicle length direction and disposed offset to an inside of the vehicle with respect to the front portion;
• and
• a transition portion in a curved shape connecting a rear end of the front portion and a front end of the rear portion and passing through both a first point configured to engage with a first arm of a first type suspension and a second point configured to engage with a second arm of a second type suspension different from the first type suspension,
• wherein the front portion and the rear portion have a rectilinear shape.