Heininger Sportsrack Glideaway 2.
We got it on Amazon for about $170 but it doesn't seem to be there anymore; however, I found it on some other sites. We've only used it on one trip but it worked well. It was a bit tricky to assemble but it's very flexible, moving straight out or to left or right, allowing you to open doors either way. It is for a 1 1/4 inch hitch, which is too bad; it did not fit as snugly as I wished into our 2" hitch with the provided shim. For the price, it is great. Someone else on this forum also uses one. I can recommend it.
Bikes get pretty messed up on the back of the van, so you might want to find some way to cover them. I'm working on that this year.
There are lots of swing-away racks on the market now. We recently bought the original: Rockymounts' Backstage for our two heavy ebikes (60lbs each). It was the cheapest and appeared to be the most rigid. Before you buy, make sure you check the rack's weight limit against the bike(s) you plan on carrying.
The Pivot is needed to have access to the rear doors easily by swinging everything out of the way.
You can tilt the rack down, but you can't open the doors, that feature is mainly for SUVs to get into the hatch area.
For the Sherpa 2.0 it says max tire width is 3". The NV 2.0 says max tire is 5", but you have to buy an additional kit (of course).
When I was buying my setup I believe Yakima and Thule both had options to swing away for rear door access.
The kuat pivot and Sherpa are great, but after you buy both parts you're out over $800. Look at the rockymounts backstage. It's a single piece, heavy duty rack that swings completely wide of the van with the bikes on it allowing you to open both doors at least 90 degrees, holds tires up to 5" wide and comes in at $650.