There are multiple wheelchair lift for van(s) options available from many wheelchair lift manufactuers such as BraunAbility or Ricon. Here are some of the common types and brands of wheelchair lifts available today.
Your wheelchair lift will store away under your van when not in use. This can be a great feature but does result in some loss in ground clearance for you van. If you plan to go off-road or travel over curbs, this can be an issue. As far as we know, the only under vehicle wheelchair lift available for personal use today is the BraunAbility UVL (Under Van Wheelchair Lift)
This wheelchair lift is available for full-size vans only. When the wheelchair lift is not in use, the platform will completly block the doorway van view out the windows of the door the lift sits in. You will find these available either as a side entry or rear entry wheelchair lift application.
This wheelchair lift is for a van such as Ford Econoline, Chevrolet Express, GMC Savana, Dodge Promoaster and now the all new For Transit. This type of wheelchair lift stores away inside your van when not in use. When traveling down the road, the wheelchair lift's platform is folded in the middle the width of the platform. This allows for visability out the windows of the van. This type of lift can be used as either a personal use or commercial use wheelchair lift. In most cases they meet ADA compliance for all 50 states.