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2500HD Diesel Mileage

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Johnnyee Enthusiast

Johnnyee

Posted
Posted

Thanks for your reply. Anyone else?

After 22,300 miles, my overall average is 15.95 mpg. Of those 22,000 miles, approx 7,000 miles were pulling a trailer, where I'm getting approx 12.5 mpg. My highway mileage runs between 19 mpg and 22 mpg. (I just returned from a 2,300 mile trip (no trailer) where my trip average was 20.45 mpg.) The remaining 13,000 miles includes local driving, as well as some 200 mile trips around Texas. My in-town/local mileage runs between 15.5 and 17.5 mpg, All of my numbers are hand calculated because the DIC is showing to be off by 4.01%. I hope my experience helps. Good luck.

avalonandl Enthusiast

avalonandl

Posted
Posted

After 22,300 miles, my overall average is 15.95 mpg. Of those 22,000 miles, approx 7,000 miles were pulling a trailer, where I'm getting approx 12.5 mpg. My highway mileage runs between 19 mpg and 22 mpg. (I just returned from a 2,300 mile trip (no trailer) where my trip average was 20.45 mpg.) The remaining 13,000 miles includes local driving, as well as some 200 mile trips around Texas. My in-town/local mileage runs between 15.5 and 17.5 mpg, All of my numbers are hand calculated because the DIC is showing to be off by 4.01%. I hope my experience helps. Good luck.

consistent with me, the DIC is about 5 % optimistic

  • 1 month later...
calgator73 Senior Enthusiast

calgator73

Posted
Posted

Old thread... Thought I would update. I drive 130 miles/day on the interstate last 5 miles bumper to bumper doing 2-3 over posted limit. My best 25 is 24, 50 is 21.5 and 400 is 18.5.

 

Sent from my LGLS990 using Tapatalk

JRKRACE Enthusiast

JRKRACE

Posted
Posted

I have yet to break into the 12's no matter what I do...10 mile commute with some highway here and there....

aminga Enthusiast

aminga

Posted
Posted

I have yet to break into the 12's no matter what I do...10 mile commute with some highway here and there....

 

It's not getting warm/hot. Their kind of a pig with the engine cold.

KMGZ400 Senior Enthusiast

KMGZ400

Posted
Posted

 

It's not getting warm/hot. Their kind of a pig with the engine cold.

Id have to agree... When I DD'd my LML for 2 months I was short tripping it, I had maybe a 6 mile ride to work.. MPGs were around 12. Now I only use for longer trips or I use it to the point where it's 100 percent warm and I get about 16 city

aminga Enthusiast

aminga

Posted
Posted

The instantenous mileage on mine never gets above 12-13 if the engine is below 200 degrees.

 

Now in October I did manage Above 30 MPG on a 25 mile average. The fact that i was coming back from Clingman's Dome probably matters a little. :happysad:

Cowpie Senior Enthusiast

Cowpie

Posted
Posted

yeah, kinda like a trip from the Eisenhower tunnel on I-70 in Colorado back to Denver. Easy to pull off some pretty good mpg when most of the trip is downhill. I love those short mile mpg's in those situations. At least if feels good at the time!

calgator73 Senior Enthusiast

calgator73

Posted
Posted

Just completed a 19hr round trip from Hampton Roads to just east of Nashville. Each tank was 19.5mpg. Really curious though about oil life...going to search the forum.

shedkept Enthusiast

shedkept

Posted
Posted

Our '14 did better.

 

This '15 hasn't come close to the 21-22 mpg I could get out of that truck (it averaged 17-17.5). I'm averaging 16-16.5 mpg. Have seen 19mpg on the road. Truck has 9,000 miles on it.

I'm going with the "it ain't broke in yet" theory. :wtf:

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