The average mpg of a vw camper van is 18 - 20 mpg
Older campers had smaller engines, where slower, but got better gas mileage.
A Vanagon camper van (1984-1991) got around 18-20mpg. The 1980-1983 Vanagons did worse, but the 1968-1979 baywindow buses did better. the early baywindows (1968-1971) and splitties (1967 and earlier) could get 24 mpg on the highway.
My 1978 VW westfalia camper van (with all my stuff in it) gets about 20 mpg highway 17 mpg city.
Between 13 miles per gallon and 16 miles per gallon.
16.5 miles per gallon
52.27 miles per gallon
5.8 miles per gallon
about 10 miles per gallon
About 21.4 miles per gallon. (300/14 = 21.4)
it can get 8 miles to the gallon
12 miles per gallon
23
7 mpg 7 miles per gallon
about 20 miles per gallon