This is just from what I experienced in the flight, personally the vehicles design and mechanics are amazing to me its just that there are some slight tweaks and problems that occur.
Being run over by a vehicle:
The ghost feels smooth especially when you run someone over, its just the warthog and mongoose that has some problems where it doesn’t feel that smooth and weak.
I think some of the vehicles especially the warthog has some problems where if u get run over, you don’t necessarily die but lose your shields and usually you’re suppose to fly away like in the previous halo games but sometimes you bug and end up in the same spot and your screen feels like its stuck.
Vehicle Animation/Physics:
There are times when vehicles run into one another or drive over some obstacles they don’t run that smoothly nor their physics is that visible (in most cases you get a really awkward collision) .
Positive feedback: I do love how most of the vehicles don’t feel that overpowered as they can be destroyed quite easily and they don’t feel like once you’re in it you’re invincible it really balances out the flow of the game especially in BTB. The ghost on the hand does feel a little stronger than the other vehicles.