If you really wanted to use the military, you would just drop anti personnel cluster bombs. That would do any crowd in.

Ukraine has shown that Armour is heavily vulnerable. And tanks are too heavy for the road anyway, it would be wheeled vehicles only.

That was partially just a result of the NG having rifles but not the less than lethal tear gas and stuff now.

Efficiency drops significantly as you go faster than 50mph, so they would be more practical for city cars that don’t do a lot of time on the highway.