A trip to Michigan and the return trip home, the computer stated 19.6 mpg but hand calculated 18.6 mpg. Gassed up once I got there and upon returning. Don't want anyone to believe I did the trip on one fill. The computer stated 63 miles to Empty when I pulled up to the pump. The truck took 31.2 gallons, using the hand calculated numbers I had about 89 miles before I would run out. Pretty reasonable I think.
Merry Christmas to all. Last Christmas night we were knocked off the road by another pickup on a icy overpass. Drive with care.

 

I bought my 2015 in June and until winter hit I was averaging the rated MPG of 19 combined. Since winter hit I've been in the 17-18 combined average but I expect that with extended warmups and the use of 4x4 among other factors. Considering my 05 averaged 13-14 no matter what I am pleased with this 2015 so far. I was able to ditch my stupid commuter car because the difference in MPG between it and my new truck was small enough to not be able to justify keeping that POS around anymore for the as savings.

 

Just finished a 1199 mile journey where I used 61.758 gallons for 19.41 mpg. Computer stated 20.2 mpg. Thoughts are the mileage isn't too bad for winter gas and half the trip buck'in winter head winds. A portion of the trip with winds at my back we did 465 miles on 22.147 gallons for 20.996 mpg. Most all driving was at or below posted speed limits.

 

Winter fully hit last Friday, my last tank was 19.6, and the current tank is trending along those lines as well. Normally it is in the mid to upper 20, and sometimes over 21. My last two tanks however were from a different station, so maybe it's the gas, though both stations I use are the same company and owner.

 

That's quite consistent. Not bad considering the various conditions.

 

About four weeks ago I asked for help on this thread to improve my mileage. The instructions were to do the posted speed limit for a full tank since rpm was probably the issue.

After trying this for the four weeks my gas mileage went from 550 km a tank to 750 km a tank.

Therefore, a heavy foot equals **** poor mileage!

The engine and fuel system are running fine. Have to stop driving 120-140km/hr as often.

Thanks to everyone for their feedback.

 

Thanks for filling us in on your results. I am sure your wallet is feeling a difference too. Safe travels to all.

 

I have an '07 Flex 5.4, Had been running an E30 blend pretty regularly, couldn't really tell a difference in mileage, especially around town. That stuff is ~92+ octane, so I'm not real surprised that the ECU took advantage of it there. Torque seemed to be much improved over regular 87 E10. The 20c/gallon discount was pretty attractive at the time. Still available at that price, I just haven't cared to fill up there for a while, I guess...

 

2019 SCrew FX4 3.5 eco. Includes 4000' drop in elevation.

 

A 2019 with close to 15K .... that's pretty good performance.