[entropy12]

Yeah, I never get the mileage they post on the new car window sticker. They must do those tests with a 30 mph tail wind.

[nascarnation]

You would if you actually drove the test cycle under the test conditions.

http://www.epa.gov/nvfel/testing/dynamometer.htm#vehcycles

Also those tests are run with E0 fuel and you’re probably using E10.