Normally, in all those SUVs like vans, there is quite enough space than in any small cars, yes you may have to spend more money on fuel but still the comfort level that you get in the van is high and that cannot be ignored.
You may plan to purchase a second hand van but if only you get a low price deal. But if you dont think the deal is in your favor, you can go for purchasing a van from government surplus vans auction.
In government auctions you may find a vehicle that is seized by the financer who was unable to get his loan money back or other government vehicles which are now off duty. These vehicles are mostly very less used and normally the history of such automobiles is very well known. This information is provides is important while you bid for it later.
As mentioned before, the vans bought from government auctions are in near perfect conditions and it not normally mandatory required to be serviced. Simply buy them and drive them.
Once you make up your mind to buy one of the vans from government surplus auctions, you may register your self and allow yourself to ignition start it, one of the best way to buy any automobile! Get into the drivers...