It seems that you have been looking for an excuse to buy a new car. LOL! 🤣I do understand and have had to come to the realisation that as we like to take plenty of stuff, it’s clearly not going to go in the van. And if I put more in the car, I will be close to the MAM of the tow vehicle.
Therefore my solution as stated previously is to take the van out of the equation to a degree by looking at a tow car that can take what we need comfortably within the MAM and axle limits of the car (including any transferred nose weight) and then not have to worry that the van is too heavy on either axle. That vehicle is likely to be a pick up and as we like Mitsubishi, possibly an L200.