how many miles per tank on 2000 Dodge Grand Caravan

filled up on sunday with highest grade available at texaco, and at 317 it was empty, recently bought the vehicle and would like to know if this is average for this model

Asked by for the 2000 Dodge Grand Caravan
Lot of miles since Sunday! Well i figure the tank holds about 20 gal. you did not say. So if you do the math, that's approx.16 to 17 mpg. can't be exact as there is always + or - a gallon or so!! IF, IF you were on the OPEN road, that's not many mpg, even if it's an AWD!! It should get better than that. Some where around 22 mpg i would think. Check it again, record the gallons and miles driven, for a few tanks full. Seem to be running ok? No check engine light?
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agree with pushrod