Otherwise, I'd guess it'll be "whatever it costs" vehicles aimed at the uber-rich, and their personal security details.
Welcome to the EU and its low-emissions zones that span over many of its big cities.
Haven't looked into it a great deal yet because there's still plenty of time where I live, but I believe it's possible to get old cars to an emission standard that's compliant. It's not cheap, since it involves replacing the entire engine, but I'd still rather spend money on that than a new car.
I think some already comes with that.
As a rule of thumb you could consider "cars which are planned as vehicles that could be lent for longer periods of time": it is foreseen that if the client stops paying for the subscription, the car is remotely disabled.