A door assembly for a motor vehicle is provided having a door body and a door trim panel attached to the door body on the vehicle inside, with a first impact region and a second impact region formed integrally therewith, wherein at each of the impact regions, an intermediate space is formed between the door trim panel and the door body. In order to allow an optimized protection of an occupant's pelvic region from impact by a vehicle door in a side impact, it is provided that a nominal break line is formed between the first impact region and the second impact region, along which the first impact region or seat impact region can be separated from the second impact region by a force acting in the vehicle transverse direction.