Folding roof system and vehicle equipped therewith

A sunroof system for a vehicle, comprising at least two rigid panels, respectively a first, front panel and a second, central panel, fixed to each other by sliding means arranged in such a way that the front panel is able to move between a closed position in which it covers a cabin and an open position in which it is, after sliding towards the rear, superimposed en over a top of the central panel, the latter being able to move, whilst driving the front panel which is superimposed on it, between a closed position in which it covers the cabin and an open position in which the front panel and the central panel are housed, in their superimposed position, substantially vertically behind the cabin of the vehicle, characterized in that it has two parallel arched runners fixed to the vehicle bodywork and each extending between a point (A) close to the front of the central panel and a point (B) close to a bottom of a rear boot of the vehicle and a rear part of the cabin, the central panel having members cooperating with the two runners in order to guide its movement along these.