That much depends on driving style.
18 miles per US gallon equates to 21.6 miles per Imperial gallon.
Has very bad mileage. You get about 18 miles per gallon at its best.
The BMW 328i sedan gets 18 miles per gallon in the city and 28 miles per gallon on the highway
(531 miles) x (1 gallon/18 miles) x (3.45 dollar/gallon) = $101.78 for gasalone
475 @ 18 miles to the gallon = 475/18 gallons. and at 4.00 dollars to the gallon, that would cost 4*475/18 dollars = 105.56 dollars
18 City 24 Highway 24 miles per gallon and has 19 gallons
113 gallons
In my book it says 14 miles city and 18 miles highway
18 mpg city
24 on the interstate 18 around town
around 18 to 22
900 miles / 50 miles/gallon = 18 gallons