The government revised their MPG ratings, and they actually have a site
which provides the MPG for just about every vehicle sold in the US since
1985.

They do a side by side compare of the new MPG with the old MPG ratings.  And
provide conversions for every vehicle back to 1985.

http://www.fueleconomy.gov/feg/calculatorCompareSideBySide.jsp?column=1
<http://www.fueleconomy.gov/feg/calculatorCompareSideBySide.jsp?column=1&id=
8423> &id=8423

There are Vanagon's listed as well!!!

Jack R.