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Old 05-09-2015, 08:34 AM   #1
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Late model Ram 2500 diesel fuel economy towing??

What kind of fuel economy are you folks who have late model Ram 2500 diesels getting towing and not towing? (Late model = 2013 and up)
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Old 05-09-2015, 10:22 AM   #2
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19 highway solo
15-16 around town solo
12-13 towing highway 65-75 mph
Calculated mpg. Not from computer.
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Old 05-09-2015, 11:02 AM   #3
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Mine is about the same as AstroBruce's.

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Old 05-09-2015, 06:23 PM   #4
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Mine matches AstroBruce, too, other than the solo highway - I haven't had it solo on the highway yet, so I don't know how it does.
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Old 05-10-2015, 06:52 AM   #5
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Make your comparisons with these factors, in this order:

1) TV specification (2WD manual trans, or?)

2). Climate.

3). Terrain

4). Driver motivation towards fuel economy.

Some info about the combined rig. Actual scaled GCW would be good. And whether or not the use of cruise control and at what travel speed.

Without the context, one is fishing a dry stream bed.
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Old 05-10-2015, 12:16 PM   #6
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2014 ram 2500 diesel

Solo on the highway 20 mpg

Around town 13-14 but I live 6300' above sea level

Towing a 2012 27' AS 65-70 mph I get 11-13 mpg depending on the wind and terrain.

The computer in the truck is consistantly to optimistic. 90% of the time it calculates higher that I manually calculate.
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Old 05-10-2015, 12:55 PM   #7
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I have a 2013 2500 Big Horn Diesel - and tow a 25FB Flying cloud.
When towing without a lot of major passess (i.e. flat of limited hills) - i get between 15.3 and 16.3 MPG. When putting in mountain passes (i.e. mountains) - goes between 13 and 16.
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Old 05-10-2015, 01:20 PM   #8
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2012 Ram CTD ... never broke 14 mpg under any conditions / speed after Dodge did the EPA recalls ...
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Old 05-10-2015, 02:44 PM   #9
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Quote:
Originally Posted by slowmover View Post
Make your comparisons with these factors, in this order:

1) TV specification (2WD manual trans, or?)

2). Climate.

3). Terrain

4). Driver motivation towards fuel economy.

Some info about the combined rig. Actual scaled GCW would be good. And whether or not the use of cruise control and at what travel speed.

Without the context, one is fishing a dry stream bed.
As the OP, I am happy with the original question I asked.

I am sure folks will provide whatever context they like. What is important to me is a wealth of responses.

So folks keep those posts coming. I appreciate those who have responded thus far.
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Old 05-10-2015, 03:17 PM   #10
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2014 RAM 2500 w/6.7L Cummins, 2 wheel drive:
Flat highway driving at 60-65 mph I've gotten 23-24 mpg.
Pulling 34' AS with a light to no wind, flat terrain, I average 12-13 mpg.
With headwinds, it can drop to 11mpg.
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Old 05-10-2015, 03:52 PM   #11
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Thank you for all the responses...you saved me $50k. Like most guys I'm always coveting diesel rigs. But my 2012 Tahoe with the standard 5.3L engine pulls my little 20ft FC cross country at 12-13mpg, and hauls me across the country at 19-21 mpg without pulling Daisy. Seeing all your mileages I think I'll be happy with this rig a couple of years more.....before the coveting sets in again. Safe travels. jon
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Old 05-10-2015, 03:54 PM   #12
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Quote:
Originally Posted by B00merang View Post
Thank you for all the responses...you saved me $50k. Like most guys I'm always coveting diesel rigs. But my 2012 Tahoe with the standard 5.3L engine pulls my little 20ft FC cross country at 12-13mpg, and hauls me across the country at 19-21 mpg without pulling Daisy. Seeing all your mileages I think I'll be happy with this rig a couple of years more.....before the coveting sets in again. Safe travels. jon
You don't buy a diesel rig to save money. You buy it because of towing performance and because you want it!
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Old 05-10-2015, 06:16 PM   #13
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Sounds just about like our 2013 3.0 liter 3500 for towing, but a little better unladen. If we hold to 60, we can average over 14 towing.
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Old 05-10-2015, 08:06 PM   #14
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AnnArbor Bob....you are spot-on....I want one soooo bad. Was trying to make myself feel better. Making diesel noises as I type this. Well...maybe next year. Stay safe. jon
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Old 05-10-2015, 08:09 PM   #15
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Quote:
Originally Posted by B00merang View Post
AnnArbor Bob....you are spot-on....I want one soooo bad. Was trying to make myself feel better. Making diesel noises as I type this. Well...maybe next year. Stay safe. jon
If I had a 25' or smaller trailer, I wouldn't consider owning a Diesel because of the expense.

On the subject of fuel mileage, my '12 Cummins equipped Ram doesn't quite get the mileage of the later models.
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Old 05-10-2015, 09:44 PM   #16
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If you tow above sea level without a turbo you will lose power sooner than you realize. The turbo restores the power altitude incipiently robs. That and economy based on higher weight hauling capability (torque) is another advantage. Diesels are 40% more efficient going higher, faster, or heavier than gas. Turbo diesels provide more air for combustion. These are the reasons the trucking industry use them. In the long run, for heavy duty use, diesels are cheaper to operate. Gas engines are not as durable.
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Old 05-10-2015, 10:15 PM   #17
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Sorry, but a little hijacking. I get almost the same mileage on my 2011, 1500 hemi. 4x crew cab. I just came back from Texas, not towing and got 18.9 mpg. I get 11-12 towing. I have a 2010 FC 25 ft front bed. Hard for me to justify the diesel. Also these figures are about the same as a Ford F150 Eco.
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Old 05-11-2015, 10:11 AM   #18
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We just bought a 2015 Ram 2500 diesel and are currently on our first voyage with it. We are towing a 30' FC at the 55 mph speed limit, and have gone from Southern California to the southern Oregon coast, so the trip has consisted of varied terrain. On the flats of California's Central Valley, which is several hundred miles, we averaged >16mpg, and overall 14.5 for the one way trip. We did have a good tail wind for about 300 of the 1000 mile trip. I'll be interested in the mileage on the return trip.
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Old 05-11-2015, 05:15 PM   #19
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Looks like most of us with later model 2500HD w/Cummins are in the same ballpark. I towed my '12 28' Intl CCD about 8,000 miles last summer/fall and averaged 14.5 MPG. Thus far with my new Classic, I'm right at 14. Will have a better feel after summer's over and I've towed more with the new trailer. I do have 4WD...may have a minor impact on MPG. If so, I don't mind....I saw another reason for 4WD last week at the Region 4 rally when a 3500 Cummins (dualie) got stock on soggy ground with a 34. If he'd had 4WD, think he'd have been ok. When you don't need it you don't, but when you do....
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Old 05-11-2015, 05:16 PM   #20
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Sorry, it was Region 3 rally ...Ladson, SC.
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