Ford 7.3 vs GM 6.6 fuel economy TFL video

JIMNLIN wrote:
I've always found it amusing they use only 66 miles to figure a mpg number....and they let the trucks computer do the shifting on long climbs.

I realize many pickup owners today have no idea what gear the engine needs to be in going up or down steep grades...sooo they let the computer do the shifting for them.

The mpg test with the 6.6 and 7.3 gazzers IMO would be more accurate running 3 tanks and then take a average on the same day with the same trailer over the same highways.

I'm a big GM fan but I would say the Ford front end looks a hellz of a lot better. Good gawdz that GM trucks front is ugly.

FishOnOne wrote:
The Chevy was running non winter blend gas and probably with less winds and a heavier trailer.

The Ford was running a winter blend gas with probably higher winds and a lighter trailer.

The two samples were run so far apart in time/season, external temps, wind variation, different trailer/weight and with this many different variables this really isn't a good comparison. About the only take away is how the trucks performed pulling x amount of weight.

I guess these guys can't afford to fill the full tank. the variables on a 66 mile fuel mileage test run are too many to be at all accurate. Even if they actually accurately measured the fuel used down to the ounce.
Even with a gas engine only getting about 6 mpg that is only 11 gallons of fuel. They need to run at least 600 miles. They are likely not allowed to put that many miles on a borrowed test truck.