If you look where the boxed out bit joins the b pillar they are not the same height.
Hard to tell from a photo though. Might all be good.
You need to look at the body. It has no tonneau clips down the side. Do vans have the drain holes in the floor front corners?
It does have a ute tailgate though, so might be a ute body. I know the HJ XX7 shell I had was swapped for a ute body.
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