I just calculated what mpg I was getting on my last tank of gas - 9.9 mpg. That was doing about 75% city 25% highway driving. The van weighs 6500 lbs with the tools I have in it now plus me in it.

The van is rated 10 city 13 highway so I'm pretty happy that I got 9.9 mpg on a van with 116k on it.