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#12161071 - 03/27/17 08:04 PM Re: Need Real world MPG's...thanks! [Re: patriot07]
lenahorse Online   content
TFF Team Angler

Registered: 10/11/12
Posts: 4072
Loc: Cash, Texas
Originally Posted By: patriot07
Originally Posted By: lenahorse
Just got a 17 RAM 1/2 ton 4x4 Hemi 1st fill at 100 miles just to verify onboard computer, most all highway 60-65 mph 23.1 mpg fingers crossed and hope it increases with break in, very pleased all around so far.
What transmission and rear axle do you have? That's almost too good to be true. But filling up at 100 miles leaves a lot of uncertainty. It it under-fills by much at all, your mpg can vary wildly with such a small amount driven.


3:21 gears 8 speed tranny 1st trip today with boat to lake and back 14.1 it pulled it well 20' CC. I sure hope it does even better I do not drive fast. Understand totally on short trip fill but had to!
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#12161373 - 03/27/17 10:18 PM Re: Need Real world MPG's...thanks! [Re: d]
patriot07 Online   content
TFF Guru

Registered: 04/20/10
Posts: 19350
Loc: chateau d'if
Those are some great numbers. Can't blame you for being excited!
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#12161618 - 03/28/17 07:43 AM Re: Need Real world MPG's...thanks! [Re: lenahorse]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 7126
Loc: texas
Originally Posted By: lenahorse
Originally Posted By: patriot07
Originally Posted By: lenahorse
Just got a 17 RAM 1/2 ton 4x4 Hemi 1st fill at 100 miles just to verify onboard computer, most all highway 60-65 mph 23.1 mpg fingers crossed and hope it increases with break in, very pleased all around so far.
What transmission and rear axle do you have? That's almost too good to be true. But filling up at 100 miles leaves a lot of uncertainty. It it under-fills by much at all, your mpg can vary wildly with such a small amount driven.


3:21 gears 8 speed tranny 1st trip today with boat to lake and back 14.1 it pulled it well 20' CC. I sure hope it does even better I do not drive fast. Understand totally on short trip fill but had to!


I find it really hard to believe till you say that. If you mind your speed and maybe more importantly acceleration, have favorable wind and topography you can coax some very impressive fuel mileage out of them.

A few years ago we commuted back and forth from my home in San Antonio to Choke Canyon for 3 or 4 days pulling a 20 foot center console with a 2011 chevy 1500 5.3. I traveled top speed 60-65 and was easy on the gas. One tank had a lot of idle because we were waiting out some rain and averaged over 14 mpg the other was ever so slightly over 15 mpg all with the boat. I did get passed a lot.

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#12163060 - 03/28/17 08:03 PM Re: Need Real world MPG's...thanks! [Re: d]
lenahorse Online   content
TFF Team Angler

Registered: 10/11/12
Posts: 4072
Loc: Cash, Texas
here is from today's trip to Dallas, it is just getting better

5.7 Hemi 17 Dodge 4x4
just 196 miles on it
it pulled my CC boat great but I can tell a big difference from my Ford Super Duty 4x4 diesel


Edited by lenahorse (03/28/17 08:05 PM)
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#12163713 - 03/29/17 07:47 AM Re: Need Real world MPG's...thanks! [Re: d]
patriot07 Online   content
TFF Guru

Registered: 04/20/10
Posts: 19350
Loc: chateau d'if
Nice! Does the hemi use regular unleaded or 89+ octane?
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#12164956 - 03/29/17 08:57 PM Re: Need Real world MPG's...thanks! [Re: d]
lenahorse Online   content
TFF Team Angler

Registered: 10/11/12
Posts: 4072
Loc: Cash, Texas
87 I think the book said I was filled by dealer when new with that, another 105 miles today same mileage
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#12186774 - 04/06/17 03:39 PM Re: Need Real world MPG's...thanks! [Re: d]
Deude_Mann Offline
Outdoorsman

Registered: 12/16/12
Posts: 77
Loc: San Antonio, TX
OK, for what it is worth, without being verbose...

I just went through the same sort of thing a few years ago. If I buy a used Diesel, for around 20K, that I want to daily drive and tow with (6000 lb enclosed trailer for hundreds of miles) what do I want?

Fortunately for me, I have a good friend that knows more about Diesel engines and Diesel vehicles than everyone on this thread combined, including me. He designs them for a living and has been doing it for a very long time. We had a long discussion about the pros and cons of all the different options, who made what, V8 vs I-6, DPF, Urea, oil change intervals, fuel rail design, etc. etc.

Final answer? 2006 Dodge Diesel 2500, which is what I bought, and am very happy with.
Why? I-6 is the best layout for a turbo Diesel for technical reasons I won't get into. The Cummins I-6 5.9L 24-valve turbodiesel is a GREAT engine, arguably one of the best. It only comes in a 2500 and up so that meant 2500 or 3500. 2006 was the last year that engine was made without DPF, which brought a big hit on mileage.

How does it tow? GREAT. Towing a bass boat at 70 mph I get about 15 mpg, and it pulls it like its not even there, set the cruise and go. Normal daily driving, mostly highway, I get 21-23 mpg. Before anyone asks, this is hand calculated mileage, not using the truck computer which is notoriously optimistic on its mileage estimate. Many call it the lie-ometer. It's a small negative. I bought it used with 73K miles on it, and now has ~130K miles on it. Still loving it.

Main thing I don't like about it? Dodge cabs compared to the competition, especially Toyota (I have a first-gen Tundra I bought new), are meh. Not great, but they work. I have the normal 4 door with the regular length bed, not the Mega Cab with the shortened bed.


Edited by Deude_Mann (04/06/17 03:42 PM)

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#12186791 - 04/06/17 03:53 PM Re: Need Real world MPG's...thanks! [Re: d]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 7126
Loc: texas
They put out some 2007's with the 5.9L.

Auto or manual? If its stock your fuel mileage is on the optimistic side, not unachievable but not set the cruise on 70 and go either.

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#12186792 - 04/06/17 03:53 PM Re: Need Real world MPG's...thanks! [Re: d]
patriot07 Online   content
TFF Guru

Registered: 04/20/10
Posts: 19350
Loc: chateau d'if
I've got a buddy with the 2005 Cummins 2500, and his experience mirrors yours. Good towing mpg and daily driving mpg. Bulletproof reliable. But the rest of the truck Dodge put around that motor 12 years ago is falling apart.
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Life can only be understood backwards; but it must be lived forwards.
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#12187103 - 04/06/17 08:05 PM Re: Need Real world MPG's...thanks! [Re: d]
Deude_Mann Offline
Outdoorsman

Registered: 12/16/12
Posts: 77
Loc: San Antonio, TX
Yes there were some 2007 non-DPFs IIRC. I found this one at a good price and jumped on it.

If I drive with a heavy foot the non towing mileage drops to 18-19 MPG. Towing the big trailer it gets 12-13MPG. The Tundra in the same conditions gets 17-18 MPG commuting, and 7 MPG towing the same big trailer at 60-65mph.


Edited by Deude_Mann (04/06/17 08:07 PM)

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#12203650 - 04/17/17 06:00 PM Re: Need Real world MPG's...thanks! [Re: d]
Eddyc01 Offline
Outdoorsman

Registered: 12/06/12
Posts: 246
Loc: Leslieville
Bought a brand new 2017 GMC Sierra SLE with the Elevation package a couple of weeks ago. I installed a 2.5" levelling kit up front and added Rockstar wheels with 285/55/20 Toyo all terrain tires.
So far after about 300 miles I'm averaging 16-16.5 mpg doing about 60% city (stop and go, stop signs and stoplights) and 40% highway driving (about 70 mph).

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#12229458 - 05/03/17 05:43 PM Re: Need Real world MPG's...thanks! [Re: d]
lenahorse Online   content
TFF Team Angler

Registered: 10/11/12
Posts: 4072
Loc: Cash, Texas
2017 Ram 5.7 2000 miles 4x4 1500

towing CC boat 14.5 avg
in town driving (rural) 18.9 avg
high way no towing 23.5 avg I have got better with no wind
very pleased so far with truck, the ride is excellent
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#12232499 - 05/05/17 11:31 AM Re: Need Real world MPG's...thanks! [Re: lenahorse]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 7126
Loc: texas
Originally Posted By: lenahorse
2017 Ram 5.7 2000 miles 4x4 1500

towing CC boat 14.5 avg
in town driving (rural) 18.9 avg
high way no towing 23.5 avg I have got better with no wind
very pleased so far with truck, the ride is excellent


What is the longest trip/# of miles you have calculated on? Have you run an whole tank and calculated the average on that?

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#12232719 - 05/05/17 01:20 PM Re: Need Real world MPG's...thanks! [Re: d]
lenahorse Online   content
TFF Team Angler

Registered: 10/11/12
Posts: 4072
Loc: Cash, Texas
I have 2 trip meters A & B never reset B.
2000+ miles now and avg 20.2 on B
Longest trip 330 at 23.2 mpg
Pulling CC boat last trip 14.5
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Fishing on Texoma
http://www.striperexpress.com
903/786/4477


www.mtpocketstackle.com

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#12232732 - 05/05/17 01:22 PM Re: Need Real world MPG's...thanks! [Re: lenahorse]
redchevy Offline
TFF Celebrity

Registered: 01/25/05
Posts: 7126
Loc: texas
Originally Posted By: lenahorse
I have 2 trip meters A & B never reset B.
2000+ miles now and avg 20.2 on B
Longest trip 330 at 23.2 mpg
Pulling CC boat last trip 14.5


S0 the fuel mileage numbers your reporting are what the trip computer says and not miles driven divided by gallons to fill at the pump?

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