Ford has produced the Econoline since 1961. They came with many different engines, transmissions, gear ratios, etc. Be more specific.
year 2003 averages 13 city and 16 highway.
A 2001 4-door SUV Ford Escape has a 16.5 mile per gallon tank.
Miles per gallon of Ford F350 is about 14.
About 30-50 miles a day for about a week. When driving on highways try to keep it between 50-55 mph.
13 city / 18 highway ( according to www.fueleconomy.gov - U.S. gallon )
It depends on the model of van, condition, mileage and options. The 2001 Ford econoline van runs around $2600 in good condition with 100,000 miles. Other models can be more or less.
15 miles to the gallon 15 miles to the gallon
16 city / 23 highway ( at most )
A 2009 ford fusion uses 25 miles per gallon
The Ford Focus averages about 93 miles to the gallon of gas.
It varies by the van. There'll be a difference between, say, a Mercedes-Benz Sprinter on flat ground and a Ford Econoline 350 going through the mountains.