well...maybe I wasn't right. If he's using imperial gallons instead of standard...i know there's a difference...it would definitely change...i think 21 is realistic miles to one us gallon in the city, and prob 28 on the highway which is pretty close to the EPA estimate (20 and 28 on the "non-24V engine". I just bought a 2002 and haven't gone through a whole tank so we'll see...