Big wheels, thick hulls, stacked bodies, extra clearance, dishes, turrets, and modular tops. The point now is to make them less like isolated rides and more like vehicle types with a clear job.
This phase is less about one final hero vehicle and more about what kind of pressure the whole vehicle layer applies. Transport, support, policing, harvest, artillery, assault, logistics, airlift, and coastal reach. Different sizes, same Formation logic.
Formation vehicles should be self-sufficient and able to slot into a larger system without needing too much around them. If they deploy somewhere, they should already bring enough structure with them to keep moving, keep supplying, and keep control.