Another car questions + opinions

[Telecolor 3007]

My dream is an vintage car, British, '30's-'40's. So I wonder what I may expect... can I run 20,000 miles without serios problems? But also I have a general curiosity.
That good thing about old cars is they are generally easy to fix and some problems can be fixed on the edge of the road.
And automobiles built on underneath frame you can lift the body and work on the inside, just like removing the chassies from the case at a tube (valve) radio to get better acces at the compoments. Bad thing about cars built on frame: they aren't so safe in the case of impact as a unibody one.
Burning oil is bad when you get too much oil burnded or leaked.
People will stop for electric charge. But gas station have at least 20 years ahead from now.