2011 ecoscrew, 157" 4x4, 3.55 ls. Stock sized 17" 10 ply general grabber hts tires on atx assault wheels. Last 600 miles of 60/40 hwy/putting around, I averaged about 20.5 mpg. Lifetime average is(18,000 miles) 15.4 mpg with about 2000 miles or so of 9mpg pulling an 8,000lb tt that is 11'6" tall. Remote start in winter so she idles a bit.

The old man has a 2013 lariat 4x4 , crewcab, 3.73, 5.0 short bed with 20" wheels. Has about 400 miles on it. When we went to his cottage up north, about 90 miles one way I averaged 21.5 mpg and he averaged 17.1mpg. And we followed eachother with the cruise on. Hopefully his improves some cause I told him his truck would probably average within a 1 mpg or 2 of mine. His also sits a good inch higher than mine in front, so I'm sure that doesn't help.

 

Sorry, just realized this was the 04-08 section.

 

Ecoboost only has 225 miles on it right now around 15-16 hwy 11-12 in town with 35" and 6" lift

 

08 5.4 with 141k miles all stock gets 26 on hiway and 13 in city

 

Think you meant 16 hwy

 

Nope I get a solid 24 to 26 on hiway

 

Only had the truck a month but I'm getting about 11 around town havent went on a long ride yet. 2.5" level 275/65/20 wranglers I think it has flowmaster 44 muffler but im not sure I know its not stock though 5.4 with a tick lol. Oh yea and I smash the gas peddle at every stop light (lots here in socal) cause I love the noise lol.

 

Anywhere from 9-16 around town depending on my mood/driving style and I get 15 at best in highway. And 12-14 when I tow my 20' enclosed trailer loaded with all my tools for side jobs I have 33 inch tires edge programmer and glass pack exhaust

 

I get 30 mpg all day baby

 

How?!?!