Several months ago Autoline Detroit the TV show hosted a similar topic.
They said the days of youth wanting a car more than anything else is gone.
They said the days of owning a Tahoe year round for two weeks of vacation a year will soon be gone.
The future of cars seemed to be pointed in shared, loaned or rented for a specific purpose and limited amount of time. Think of those bicycles in Paris and other cities which you can rent out.
Welcome to the future:
Car Sharing, an alternative to car rental and car ownership – Zipcar
A discussion based on individual ownership is pretty much pointless. At least that's what the experts say looking past a decade or two.
However, really short cars may save on parking space, and even the amount of space they take up in a traffic jamb. Packing them in will be a key to managing congestion.