A convertible vehicle having a long roof is provided which includes first through third roofs, supported by the vehicle body, movable between a use position at which the roofs cover the upper part of a vehicle interior R and a non-use position at which the roofs are held in a housing unit to the rear of a body so that the upper part of the vehicle interior R is open. A rear door is supported by the body so as to rotatably open and close between a closed position and an open position further to the rear of the closed position, wherein when the first through third roofs are in non-use position, the roofs are accommodated in the housing unit, piled up one top of the other in the vertical direction.