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Old 09-07-2013, 02:08 PM   #169
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1976 Argosy 24
now being enjoyed by Heath and Mary in , Vermont
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Forgot to say that the vehicle is a 2006 Mercedes Benz SPRINTER, series 3500:

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Old 09-07-2013, 03:40 PM   #170
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1977 31' Excella 500
Berkeley Springs , West Virginia
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I just made a 2000 mile run pulling my 34' Avion 34X loaded to the gills (5 tons) with a 2004 1/2 Dodge Ram 4-door long bed 4x4 with the Cummins turbodiesel 305/555 and 4-speed automatic. I got as high as 14mpg on the flat land, about 10.5-11mpg in hill country, and averaged about 12.5 mpg for the whole trip.

14mpg is about the best I've gotten towing. I used to get up to 22mpg with the truck running solo, but the low sulfur fuel has cost me nearly 2mpg. I now get around 19-20mpg running solo and 14-11 mpg towing.

Still cheaper than staying in hotels

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Old 09-07-2013, 03:57 PM   #171
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Originally Posted by JimGolden View Post
2004 1/2 Dodge Ram with the Cummins turbodiesel
Ehh something's not right here. Do you mean 3/4 ton?
No Airstream Yet...
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Old 09-08-2013, 06:28 AM   #172
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2015 16' Sport
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I thought this was worth adding. Andy Thompson (Can-Am RV) wrote in his RV Living article that he got 16.4 mpg (US gals) with a Porsche Cayenne and 30' Airstream. If you'd care to read the article Can-Am RV :: Hitch Hints

Since my Touareg (correct spelling according to VW anyway) has the same powertrain as the Porsche, I'm hoping for similar results with my '63 globetrotter (if I ever finish the shell off refurb) or a late model 16' or 19' International (if I don't).
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Old 10-18-2013, 05:16 PM   #173
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2008 25' Classic
Wichita Falls , Texas
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We drove 2400 miles with the our 2008 Classic 25fb and had no issues. Ran into some rain, no leaks. On one leg through Louisiana we got 13mpg with our 2010 Tundra 5.7. On the way back I found I can get better mileage leaving the transmission in 5th gear. Even though it runs 500 rpm higher than 6th gear I don't have to put as much pressure on the accelerator pedal to maintain 60 mph. Unless the terrain is flat it shifts from 6th gear to 5th anyway. Most of the other legs were in the 12 mpg range. Fuel prices where under $3.25 for unleaded but diesel was over 60 cents per gallon higher.

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Old 10-19-2013, 05:14 AM   #174
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2013 30' Classic
Greenwood , Mississippi
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We are traveling back through Louisiana after a week in Texas. Getting 12-13 going 60. I am happy.
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
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Old 10-19-2013, 05:51 AM   #175
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Originally Posted by ElCamino Man View Post
Ehh something's not right here. Do you mean 3/4 ton?
The engine tune changed halfway through the model year. My "early" 2004 305HP/555TQ tune was superceded by the 2004.5 325HP/600TQ engine tune after mid-December of 2004. They're pretty similar on mpg with an edge to the earlier tune in the longest steady-state days at the wheel.

14-16/mpg is a reasonable expectaton from this truck with the larger A/S trailers when speed is kept to 65 or under and the terrain is generally level. Higher is possible and something I look to explore (as in, what is possible?).
1990 35' Silver Streak Sterling; 9k GVWR.
2004 DODGE Cummins 305/555; 6-manual; 9k GVWR.
Hensley Arrow. 12-cpm solo, 19-cpm towing (fuel)
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Old 10-19-2013, 09:23 AM   #176
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1966 20' Globetrotter
2008 23' International
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Cedar Falls , Iowa
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I've been towing my '66 Globetrotter for 12 years with my 2000 Tundra, averaging 11-12 mpg. I've added a 1984 27-ft. Sovereign to my AS collection and have been towing it for the last six years, averaging 10-11 mpg.
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Old 10-19-2013, 09:41 AM   #177
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2012 27' FB Eddie Bauer
colorado springs , Colorado
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We just purchased a new TV- 2013 Ram 3500 Mega Cab (non dually). Yes its oversized for our 27FB Eddie Bauer, but I also use our TV for other large stuff.

The following numbers are based off the last 1000 miles, towing from Carolinas thru the Great Smokey mountains in Gatlinburg TN and surrounding areas (a lot of mountains), and a heavy foot (average 10mph always over speed limit):

Towing: 12.5 mpg

- Flat highway non towing- 20 mpg (averaged from Charlotte NC to Pensacola FL)
- City use non towing - 15 mpg
- City / mountain towing 11 mpg
- Highway flat towing 13 mpg
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Old 10-19-2013, 10:22 AM   #178
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1997 25' Safari
Fairbanks , Alaska
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I just finished a 7,000 mile trip from Fairbanks, Alaska to the Outer Banks of North Carolina. Every square inch of the truck was packed and the trailer was pretty full as well. I didn't weight it before I left as I really didn't want to know. I drove between 55-60 and my average for the entire trip was 11.8, which is just slightly lower the on-board calculator. 5.7 Tundra pulling a 25' Safari.

2007 Tundra Crewmax - 1997 25' Safari
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