Door driving unit and vehicle including the same

A vehicle comprising:

• a body;
• a door disposed on the body;
• and
• a door driving system configured to drive the door, wherein the door driving system includes:
• a first bracket,
• a second bracket,
• a hinge portion connecting the first bracket to the second bracket,
• a driving portion disposed on the first bracket and coupled to the hinge portion, and
• a connecting portion having a first side coupled to the second bracket and a second side connected with the driving portion in a configuration to support rotation of the first bracket.

A door drive system comprising:

• a first bracket;
• a second bracket;
• a hinge shaft connecting the first bracket to the second bracket at a hinge coupling location such that the first bracket can pivot relative to the second bracket about a hinge axis of the hinge shaft;
• a drive portion disposed on the first bracket and coupled to the hinge shaft, wherein the drive portion is configured to drive a pivotal movement of the first bracket relative to the second bracket via the hinge shaft;
• and
• a connection portion having a first connection-portion side fixedly coupled to the second bracket and a second connection-portion side pivotably coupled to hinge shaft, wherein the connection portion is disposed between the drive portion and the hinge coupling location.