A word of caution to Rear Door mounts, make sure your cover is always well secured, no torn zippers or worn straps. A friend had his rear mounted with a zipper that was working its way loose from the stitching. So even with a ratchet strap addition, the tent deployed driving down the highway. The tubes had to be replaced and a whole new cover was quickly ordered.
Did he win the unspoken but frequently bragged about “Shortest Camp Setup Time” Trophy?