Abstract: A rear compartment arrangement for a van type motor vehicle or automobile which is composed of a reclinable seat including separable cushioning and reclining seat-portions and two pairs of supporting members, each pair attached to the respective inner surfaces of a pair of side body panels, the supporting member extending horizontally in the direction of driving and positioned vertically with respect to each other in parallel relation, wherein when the seat-portions are disassembled they are supported on the supporting members in the direction of driving by the two upper supporting members of each pair by engagement of respective lugs which are provided on the seat-portions in grooves which are provided on the supporting members, so that the rear compartment is for example, divided into two spaces which are superposed one on top of the other.