From the preview:
While i'm still waiting for the VTOL final castings to come in, the sculptor has sent over a rough mock-up of the buggy. We're still working on the details, but I've very happy on how it's looking so far. As you can see, the raven can fit it in the back.
There will be an enclosed roof, and an open one, with seated Hell Divers inside (a driver and gunner) and a choice of weapons for the roof.