A retractable ramp system for facilitating mobility-challenged individual's entrance to and exit from a structure, particularly, from a motorized vehicle. The ramp system includes a frame having a front member, a first side member, a second side member, a rear member, and a floor. The rear member is pivotally coupled to the frame between an open position and a closed position. The ramp system includes a first track coupled to the first side member and defining a longitudinal channel therein, and a second track coupled to the second side member and defining a longitudinal channel therein. A ramp is pivotably coupled to the first and second tracks about a pivot axis, and includes a ramp floor, a first side panel, and a second side panel. The system includes a latch to maintain the ramp in a stowed position.