You need a 2x2 hitch mount and good suspension to carry 4 bikes. We used this on our Odyssey and when fully loaded, the rear of the van was pretty low. Rack weighs in at about 60 lbs. It is well built.
Similar in style to this one.
https://www.mec.ca/en/product/5021-749/XTC-4-Bike-2%22-Receiver-Hitch-Rack
Adjustable to fit different size bikes. Wheel holders fold up parallel to posts for easy storage.
Call to come get it