I recently learned about the Volkswagen Westfalia Camper. It sleeps four, has a sink and gets close to 40 mpg.

https://en.wikipedia.org/wiki/Volkswagen_Westfalia_Campers

The ultimate survival vehicle would be a Knight Industries Two Thousand.

Jeanette Isabelle
_________________________
I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday