Most cars now have a screw in eye for the front so they can be towed. On the back they had either a push out panel in the bumper or a towing loop attached to the sub frame under the rear bumper. Current trend seems to be to leave the back one off altogether now as you needed a slight cut out in the bumper for the rope or bar not to catch the bumper of the towing car. Alfa 159 had this and I think audi still do. Renault seemed to have stopped having the rear tow loops and a few others. 3200 and 4200 rear valence would be too low so im fairly sure they dont have them either.