a motor vehicle , especially a passenger utility vehicle , e . g ., a station wagon or suv with a cargo space which is located in the rear of the vehicle , a cargo floor which can be extended rearward , a cargo space door for opening and closing the rear cargo space opening , and at least one roof movable panel for opening and closing a roof opening , in which a continuous opening combining the rear cargo space opening and the roof opening is formed when both the at least one rear roof panel and the cargo space door are in their open positions . in one advantageous embodiment , the cargo space door is mounted to the vehicle body by a four bar mechanism for movement outward and downward from the closed position to the open position .