GUN Vehicle is four-wheel drive armored truck, with a green body and black wheels, and without a roof.
GUN Vehicle is used mostly to clear part of stages, that are inaccessible, like an area with toxic. The machine is not armed with weapons. To use it in gameplay, the player must hold // to move forward, and press / to break. If the player has a weapon, they can use it with the GUN Motorcycle by pressing //.