1) NWH Vehicle Physics 2 2) Realistic style, something similar to SPINTIRES . 3) Yes, that's correct. Vehicle controller script seems to be overwriting some of the rigidbody's variables, as it's simulating other physical properties of the car, like center of mass and inertia tensor. So far I'm using the four given vehicle prefabs: Niva, MosterTruck, SportsCar, RocketRarrier. Thank you for looking in to it!