Hi we had an older single axel that was our starter van, and were looking around for another van.. There are four of us, two adults, and two kids. We went to one of the shows to look at what type of layout was best, and had our teenage daughter trying out the bunkbeds for size etc. I would recomend taking all the family and doing pratical tests. We settled on a double diner type, as our older daughter found some of the bunks difficult to get into, and if we wanted guests we could accomidate them without putting the awning up. We found our perfect van, a Sterling Europa 650, this happned to be a twin axel, and we dont have any problems towing it, I think we have the same tow car as you. I hpoe this helps, Ta Julia