An adjustable cup holder assembly is provided. That adjustable cup holder assembly includes a support having a guide track and a drag bar. The adjustable cup holder also includes a cup holder having (a) a body including a well, (b) an actuator and (c) a drag. The cup holder may be displaced along the guide track and secured in various positions on the support by engaging the drag bar. A motor vehicle door including a cup holder with an adjustment mechanism for displacing the cup holder along the body of the door between multiple positions is also disclosed.