To put it simply, this is an analogue of Sunderer from Planetside.
It will have two modes that are switched by turning the engine on and off. (Perhaps somehow differently)
In driving mode, only members of the squad of people already inside can spawn in it.
In stationary mode (with the engine turned off), members of the entire team can spawn in it.
But the spawn in it is not instantaneous; you need to press the button for about 5-10 seconds.
Also, when a vehicle’s HP drops to the area of 25-50%, it becomes unsuitable for spawning and needs to be repaired.
Perhaps should have some kind of machine gun for defense.
Should only be available on large maps in one copy, with a spawn timer of around 6 minutes
As for how much HP he should have, I have no idea, if you like the idea, start a discussion.
A bit of a crazy idea, but I think it would be pretty fun.
I also haven't figured out what it should look like. If you have examples and you like the idea, feel free to post pictures