You must not have any kids.
An econo-box hatchback just doesn't have enough room for the whole family plus a week's worth of groceries or luggage for a long weekend out in the country.
A real full-sized (as opposed to what they call full-sized nowadays) wagon or sedan would be fine, but no one makes those anymore, except for Mercedes 300 and BMW 700 series cars, and "normal" people can't afford them.
Hey, we're Americans! We hate meaningful facts, 'cause we're too stupid to understand context.
http://news.nationalgeographic.com/news/2003/02/02 10_030210_TVdust.html
Of course, taking the Washington Metro and the NYC Subway (during Guiliani's Mayoraly) was easy, safe & clean also.
A real full-sized (as opposed to what they call full-sized nowadays) wagon or sedan would be fine, but no one makes those anymore, except for Mercedes 300 and BMW 700 series cars, and "normal" people can't afford them.