I have a 1998 Ford Contour with 247k miles on it. 16 valve, 4cyl engine w/ manual five speed tranny. I got over 35 mpg with four people and luggage on board traveling 75-80 mph across Idaho last...
I have a 2008 Ford F550 XL Super Duty with a Power Stroke 6.4 liter engine. It gets about 7 to 8 miles per gallon. I also have a 2008 Ford F350 XLT that gets about 14 miles per gallon.