The main criteria for the vehicle are defined. It should be ~7m long, 4x4 and new.
7m to fit in comfortable a shower/dry area/toilet and seating launch/work area.
4x4 to access places where not many people are and to be ready for some harsh road conditions when traveling the world.
New as price-value of used vehicles isn’t good as this moment (2023) and the risk is too high that the vehicle is in a worse condition than expected when buying it.
The brands which are considered are MAN, RAM, MERCEDES, FORD, VW.
The dimensions to be evaluated are:
Length
Height
Loading length
Loading width
Loading height
Wheelbase length
Overhang
Payload