First tank of all highway miles

[Shaners]

I've had my 6.0L for over 2 years now, and I have never run a full tank out on the Interstate until yesterday.

 

It wasn't "non-stop" because I had to make a few stops, but for the most part, all but about 20 miles was on the Interstate running 70-75 MPH.

 

The bottom line was that my 6000 lb 4x4 crewcab got 16.6 MPG which I think is actually pretty decent. I'm

[Truckman031]

That's really good mileage, congrats.

[MCourson]

Thats what I get with my '94 driving 75% highway. Id say thats good.

[Black02Silverado]

That's great. A guy that works with me has a 2001 6.0 HD and is always trying to find a way to get better than his normal 11mpg. He is ready to go get a VW Gulf TDI.

[FIRECAT]

The bottom line was that my 6000 lb 4x4 crewcab got 16.6 MPG which I think is actually pretty decent. I'm

That's what I get driving around town with mine.

[HendyPhoto]

Thats what I get off a cliff with a tailwind

[cowboy02]

You know the funny part is I know a couple of guys with the new durmax diesel that strugle to get 20MPG with there trucks. I would say your doing great at 16

[MarkD]

Man that sounds GREAT!