What exactly is the superpower here? Having a large chunk of steel you need to micro manage the location of, or pay up the nose to have a dedicated space for?

What exactly is the superpower here? Having a large chunk of steel you need to micro manage the location of, or pay up the nose to have a dedicated space for? Have you ever ridden a bike? Taken the subway? Heck, you can just use a taxi to get around. Why would you want to deal with having a car in somewhere like Manhattan? Do you hate your fellow citizens so much you need to be constantly insulated from society?