Vehicle door device, comprising at least the following: a) at least one sliding door displaceable in a displacement direction with respect to a door frame having a door opening or at least one sliding plug door pivotable in a pivoting direction and displaceable in a displacement direction, b) a drive device whereby the at least one sliding door or sliding plug door can be moved into a closing position closing the door opening and into an opening position releasing the door opening as well as into any intermediate positions between the closing position and the opening position, c) a door guide (22, 24) for guiding the at least one sliding door or sliding plug door relative to the door opening, d) a locking device for locking the at least one sliding door or sliding plug door at least in the closing position, with an emergency unlocking device whereby the at least one sliding door or sliding plug door locked in the closing position can be emergency-unlocked, e) an emergency opening device for at least partially opening the at least one sliding door or sliding plug door in the emergency-unlocked state, characterised in that f) the emergency opening device includes a magnet device acting in a currentless manner, which comprises at least one first permanent magnet and at least one magnetically conductive element and which, if the at least one sliding door or sliding plug door is in the closing position and has been emergency-unlocked by means of the emergency unlocking device, applies a magnetic force generated without the influence of electric current to the at least one sliding door or sliding plug door in such a way that the at least one sliding door or sliding plug door is pushed or pulled from the closing position at least to a certain extent towards the opening position, wherein g) the at least one first permanent magnet is statically connected to the at least one sliding door or sliding plug door and the at least one magnetically conductive element is statically connected to the door frame or the door opening (22, 24), or wherein h) the at least one first permanent magnet is statically connected to the door frame or the door opening (22, 24) and the at least one magnetically conductive element is statically connected to the at least one sliding door or sliding plug door. a) at least one sliding door displaceable in a displacement direction with respect to a door frame having a door opening or at least one sliding plug door pivotable in a pivoting direction and displaceable in a displacement direction, b) a drive device whereby the at least one sliding door or sliding plug door can be moved into a closing position closing the door opening and into an opening position releasing the door opening as well as into any intermediate positions between the closing position and the opening position, c) a door guide (22, 24) for guiding the at least one sliding door or sliding plug door relative to the door opening, d) a locking device for locking the at least one sliding door or sliding plug door at least in the closing position, with an emergency unlocking device whereby the at least one sliding door or sliding plug door locked in the closing position can be emergency-unlocked, e) an emergency opening device for at least partially opening the at least one sliding door or sliding plug door in the emergency-unlocked state, characterised in that f) the emergency opening device includes a magnet device acting in a currentless manner, which comprises at least one first permanent magnet and at least one magnetically conductive element and which, if the at least one sliding door or sliding plug door is in the closing position and has been emergency-unlocked by means of the emergency unlocking device, applies a magnetic force generated without the influence of electric current to the at least one sliding door or sliding plug door in such a way that the at least one sliding door or sliding plug door is pushed or pulled from the closing position at least to a certain extent towards the opening position, wherein g) the at least one first permanent magnet is statically connected to the at least one sliding door or sliding plug door and the at least one magnetically conductive element is statically connected to the door frame or the door opening (22, 24), or wherein h) the at least one first permanent magnet is statically connected to the door frame or the door opening (22, 24) and the at least one magnetically conductive element is statically connected to the at least one sliding door or sliding plug door.