Battery pack and vehicle comprising same battery pack

A battery pack comprising:

• a battery module assembly comprising a plurality of battery modules including a plurality of battery cells;
• a pack tray on which the battery module assembly is accommodated;
• a tray bar arranged on at least one side edge of the pack tray, wherein the tray bar comprises a plurality of tray bars provided to face the plurality of battery modules at opposite outermost sides of the battery module assembly;
• and
• a plurality of tolerance compensation members having rigidity ribs and provided between the plurality of battery modules at the opposite outermost sides of the battery module assembly and the plurality of tray bars,
• wherein each of the plurality of tolerance compensation members comprises:
• a shim part arranged in contact with the plurality of battery modules at the opposite outermost sides of the battery module assembly and the plurality of tray bars;
• and
• an accommodating part bent from an upper end of the shim part and accommodated on an upper side of the plurality of tray bars.