Well, it has a machine gun on a flexible turret sort of sticking out the back. It's internal, but not concealed. Could give it a disguise test to try and conceal it.
But, the Rover 2066 is basically like a civilian hummer. H2 or whatever. It's a big, armored off-road vehicle with high amenities that you'd see in a convoy leading a limo or transporting a VIP.