7.3 MPG?
Super Moderator
Joined: May 2004
Posts: 29,380
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From: Central Coast of CA
Stewart
Laughing Gas
Joined: Sep 2012
Posts: 1,123
Likes: 1
From: Ontario, Canada
My 7.3 gets 16mpg all around in the summer and 14mpg in the winter. Long highway trips I can get 18-19mpg. My personal best is 21.7mpg average from Austin TX to Buffalo NY but that was solo keeping the speed to 65.
Laughing Gas
Joined: Jul 2010
Posts: 1,174
Likes: 2
From: Flat Rock, MI
The best my 2wd 6.0L Excursion ever did for mileage was 20.2, that was stock tires and driving 55 mph following a moving van. There was some stop and go mixed in too.
In general what I've learned about fuel economy is...figures can lie and liars can figure!
PS My mpg is always hand calculated. The odd part is my lie-o-meter in my gas Excursion is always very close to actual when towing.
In general what I've learned about fuel economy is...figures can lie and liars can figure!
PS My mpg is always hand calculated. The odd part is my lie-o-meter in my gas Excursion is always very close to actual when towing.
Last edited by RobRoss; Sep 30, 2016 at 12:18 PM. Reason: added ps
Post Fiend
Joined: Mar 2015
Posts: 5,277
Likes: 32
From: Blairsville, Pennsylvania
I regularly get between 25-28mpg while towing. It's a special device I use. Send me $19.99 and I'll tell you the secret...or I'll delete your email, whatever I feel like doing.
We're in the election homestretch, "anything goes" right?
LOL! 
We're in the election homestretch, "anything goes" right?
LOL!
Cargo Master
Joined: Jun 2013
Posts: 2,079
Likes: 63
From: Florida and Tennessee
I no longer care what the mileage is... it's great for what I do.
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Laughing Gas
Joined: Mar 2004
Posts: 751
Likes: 11
From: May Township, MN
Have racked up over 700K miles on the 4 7.3's since 2001. The best mileage goes to the 00 X at 19.8mpg, full tank 55-60 mph out West. Worse mileage goes to the 99 dually 10-12mpg. With that said I've never hit an honest 20 mpg and I've tried in the 00 X since 2003.
Freshman User
Joined: Jan 2015
Posts: 40
Likes: 0
From: Chambersburg, Pa
Just returned from a 2700 mile trip from central PA to Myrtle Beach, SC. Then from Myrtle Beach to Key West, FL and back home. Mostly interstate with the cruise set anywhere between 70 - 73 mph . Overall average was right at 17 mpg, hand calculated.
Start running over 70 - 71 mph and the mpg drops.
Start running over 70 - 71 mph and the mpg drops.
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