Errr, police cars get wrecked quite a bit. Imagine the condition of your car if the majority of your driving was spent pursuing people that would do anything to get away from...especially since that second car looks like Clayton Co.

As for window tint, cops aren't exactly worried about pulling over another police car and it having someone on the other side of that window tint with a gun unknowingly pointing at them. There's no tint laws on police vehicles, school buses, and limo's anyways.