2015 Fuel mileage
- Thread starter Rust1buckin
- Start date
blackcloud2k
New member
16 mpg hwy at 80 mph. I never bother checking in town. It will be interesting to see what it gets up to once we go back to summer fuel.
Louisville, KY to Brawley, California (Glamis dunes), up to Johnson Valley, CA (King of the Hammers) and back with about 10K in tow. Saw everything from 8 @ 65 to 14 @ 80 - obviously wind has a huge effect on it. Average highway speed probably 70-75. I also think Biodiesel has a negative affect on mileage.
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MikeH
New member
Seeing around 16 mixed and 19-20 highway @ 75mph. Like above said, can't wait till we get in the summer fuel season. Also running with OEM cetane booster in each tank. Have been dropping 8 ounces in each 37 gallon fill up.
RedRice589
New member
I got 12.8 all highway lol with 4.30 gears lol
Mikey 6.7
New member
15 CCSB getting 16.1 on dash. I did the math got about 15mpg
That's one thing I noticed, when ever I fill up (20-ish gallons) the pump always says I took about one more gallon than the dash says I used. I'll just go by what the dash says, it's less depressing.
ftast350
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That's one thing I noticed, when ever I fill up (20-ish gallons) the pump always says I took about one more gallon than the dash says I used. I'll just go by what the dash says, it's less depressing.
Hmmm and mine is the oppsite and I continue to fill it up right to the cap!
Mikey 6.7
New member
That's one thing I noticed, when ever I fill up (20-ish gallons) the pump always says I took about one more gallon than the dash says I used. I'll just go by what the dash says, it's less depressing.
lol :toast:
Ipkyss
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three tanks so far. All between 14.4-14.6 mostly city driving. Weather has been well under 20 a lot so a lot of warm up time. I don't think thats bad at all.
RedRice589
New member
I'm still at like 12.4 lol but I'm hauling a trailer to Lexington this weekend so we'll see.
The last two weeks have been brutal with the bitter cold. I live 3 miles from work, 2 miles from the grocery store, and 5 miles from the gym (where I drive the most). Pretty much start it, let it idle for 5-10 minutes, drive a few miles, then shut it off. Last 3 tanks have been in the 10-13 range, all short-distance city driving. And it seems like every time the engine gets up to temperature, it starts to regen and never gets even 1/4 of the way done, so it starts again next drive if the engine gets warm enough. Apparently it regens once per 1.5-2 tank of fuel regardless of what your soot level is, because mine was nowhere near at full.
Yesterday we finally got out on the highway for a few hours and I got 19 over a half tank with cruise set at 77 (no regen). And it got its usual 10.5 pulling my trailer over the same distance (with regen).
Truck is ready to roll 10K now and all stock.
Yesterday we finally got out on the highway for a few hours and I got 19 over a half tank with cruise set at 77 (no regen). And it got its usual 10.5 pulling my trailer over the same distance (with regen).
Truck is ready to roll 10K now and all stock.
SKT
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Bump for more MPG reports.
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Bump for more MPG reports.
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Blue Line Fab
New member
I'm scared to calculate mine. But I can tell you I rarely pass a gas station and don't fill up! My old 7.3 definitely got better millage. My dash is showing 16L/ 100kms.
I towed my 28' enclosed trailer about 10 hours this weekend and ended up just below 10. It was a little windy and I was holding 70-75 most of the time, 80 at times. It was about 11, then I got a 25 minute long regen even though my soot was already at .60. :fustrate:
