That’s interesting. I made out the initials on the front, GPV, and did some web searching. GPV is the manufacturer, they’re based in Michigan. This is probably their “Sergeant” model armored car (“tank” is usually restricted to things with tracks and a big gun). That’s a battering ram on the front. Apparently a few years ago a bunch of southeast Michigan counties got Homeland Security money to buy three of them. One’s in Warren, one’s in Southfield, and this one run by the Washtenaw County Sheriff. They are shared among the city of Detroit and SE michigan counties as part of the “Southeast Michigan Urban Area Security Initiative”
[link1]
[link2]
[link2]
It looks like they had it at a car show in Saline: [link4]
Here’s a video made with a Warren police officer showing it off: [video]
In theory the vehicle can be sealed against toxic gases, so can be used in hazardous materials accidents, fires, etc.
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