A motor vehicle comprising: - a rear door mounted to the motor vehicle by means of a mounting system such that the rear door is movable between a closed position and a fully open position; - the mounting system comprises a first holding means comprising a first bracket mounted to the rear door, the first bracket being movably engaged with an elongated rail along a first portion of said elongated rail, and being hingedly engaged with said elongated rail at one end thereof, the elongated rail being fixedly mounted to the vehicle; - whereby the rear door is movable from said closed position to a first intermediate position via a first, mainly vertical movement, and is further movable to a second intermediate position via a second, mainly vertical movement, and is further movable to a fully open position via a third, rotational movement characterised in that the mounting system further comprises a second holding means comprising a second bracket mounted to the rear door, the second bracket being hingedly connected to a piston which is movably engaged with a cylinder, the cylinder being hingedly mounted to the vehicle, whereby the first holding means further comprises a first wheel and a second wheel and a stopper element; - the first wheel being adapted for moving inside said elongated rail between a lower position and an upper position below the stopper element during the first and second movements (M1, M2), and for remaining in the upper position during the third movement; - the second wheel being adapted for moving inside the elongated rail between a lower position and an upper position below the stopper element during the first movement, and for leaving the elongated rail by passing the stopper element during the second movement, and for moving outside of the elongated rail during the third movement. - a rear door mounted to the motor vehicle by means of a mounting system such that the rear door is movable between a closed position and a fully open position; - the mounting system comprises a first holding means comprising a first bracket mounted to the rear door, the first bracket being movably engaged with an elongated rail along a first portion of said elongated rail, and being hingedly engaged with said elongated rail at one end thereof, the elongated rail being fixedly mounted to the vehicle; - whereby the rear door is movable from said closed position to a first intermediate position via a first, mainly vertical movement, and is further movable to a second intermediate position via a second, mainly vertical movement, and is further movable to a fully open position via a third, rotational movement - the first wheel being adapted for moving inside said elongated rail between a lower position and an upper position below the stopper element during the first and second movements (M1, M2), and for remaining in the upper position during the third movement; - the second wheel being adapted for moving inside the elongated rail between a lower position and an upper position below the stopper element during the first movement, and for leaving the elongated rail by passing the stopper element during the second movement, and for moving outside of the elongated rail during the third movement.