Save your money and have a detachable tow bar fitted to the front of your car.
A fraction of the cost and more affective, used one for a few years with a twin axle van.
They are available for a wide range of cars and not just 4x4s.
If you fit the four wheel drive version to your van its a lot of money to loose when you change your van, compeared to the front tow bar.
Dealer wont allow you any extra when you trade it in. watling video
"Dealer won't allow you any extra when you trade it in" not always the case I'm afraid. Effective/lose/compared.
------------- XVI yes?
As well is two words!
How does a sage know everything about everything? or does he? or does he just think he does?
Remember, if you buy something you bought it, not brought it.
We have the 4wd power touch. excellent after service (numpties at the dealership that installed it to our new coachman left all the wiring terminals loose so it shorted and died after a year, power touch came out and replaced it, at no cost).
We need to spin the caravan around in the yard so not enough room for a detachable front tow ball for us.
You will of course need a decent 110 amp hour battery as they are very hungry on juice if you have a heavy van like ours.