drive throw? what? No, you can't throw walls and buildings. but its not to say buildings won't have physics. Anything is possible with Beam.
le search bar, she is your friend: http://www.beamng.com/threads/141-Deformable-damageable-structures?highlight=buildings http://www.beamng.com/threads/393-Crumbling-Brick-Walls?highlight=buildings