It depends upon the vehicle. A Prius can get you upwards of 40 mpg, while a Chevy Tahoe may only get you 9 mpg.
20 miles to the gallon 20 miles to the gallon
15 miles to the gallon 15 miles to the gallon
it can get 8 miles to the gallon
18.5 miles a gallon
16.5 miles per gallon
52.27 miles per gallon
Between 13 miles per gallon and 16 miles per gallon.
About 21.4 miles per gallon. (300/14 = 21.4)
it will do around 24 miles to the gallon
5.8 miles per gallon
9-13 miles per gallon
about 10 miles per gallon