A door hinge is attached by a base to a road vehicle. The door hinge carries a side door via a door mount, and it enables the door, when it is being opened, to be shifted upwards while at the same time shifting in an outward direction and rotating in a plane that is transverse to the outward direction. This decreases the risk of a lowermost parts of the side door hitting, e.g., a roadside curb near which the road vehicle is parked.