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Old 08-12-2013, 02:14 PM   #155
Old School Young Gun
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Olney , Illinois
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Originally Posted by Jared129 View Post
my old gas truck got 10.5 empty by itself.
Mustve been a big block lol

No Airstream Yet...
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Old 08-12-2013, 05:37 PM   #156
Tenkara Fly Angler
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1975 31' Sovereign
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Vernon , Texas
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On our last trip we got 15.3. When not towing I usually get 16.4. The new Ford diesels are really good!

1975 Sovereign
"The Silver Bullet"
2013 F350 Super Duty 6.7 Liter Diesel
WBCCI #8578
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Old 09-01-2013, 05:26 PM   #157
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2015 16' Sport
Syracuse , New York
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We used to tow our '63 Globetrotter (19') with a 2006 Explorer V6 and usually got ~11 mph. We now have a Touareg TDI but the 'trotter is being refurb'd so haven't had it out yet. I did tow a medium sized U-haul 150 miles and got ~20. 30.6 on the last run without trailer. gotta love a turbo diesel 8-)
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Old 09-01-2013, 06:22 PM   #158
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Olney , Illinois
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They've definitely improved those Touregs! (However you spell it!) They used to have diesel guzzling V10s of which yielded +-10mpgs... on diesel...
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Old 09-05-2013, 10:24 AM   #159
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1976 31' Sovereign
Bothell , Washington
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Took the 6l diesel Excursion out for the first tow of the AS, up over snoqualmie pass and back. Average of 12 MPH. My suburban couldn't get that with a tail wind empty. Now we'll see if I can afford to keep it running!
Did you want fries with that?
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Old 09-05-2013, 10:29 AM   #160
2014 25' FB Flying Cloud
Weaverville , California
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11 mpg average on 5,000 miles over varied terrain. Drops way down on hills. Towing with a 2011 chevy silverado crew cab 1/2 ton gas pu six speed auto transmission pulling g a 25' flying cloud (6300 lbs loaded). Try to max at 62 mph on the flats. Drive conservative.
J and D
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Old 09-05-2013, 11:02 AM   #161
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Vintage Kin Owner
Portland , Oregon
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We usually get around 12 MPG when towing our 26' Streamline with our 2004 Tahoe with the 5.3 L V8. Not bad I think. We usually stick to 60 MPH.
Ian Lomax
1966 Streamline Countess 26'
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Old 09-05-2013, 11:11 AM   #162
Free Range Human
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Twin Rocks , Oregon
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Pulling the 2012 25' FC, we average 15.3 with a 4wd F250/7.3L automatic. We try to stay in the 55-60 mph range as well.
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Old 09-06-2013, 12:17 PM   #163
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2013 25' FB Flying Cloud
Edgewood , New Mexico
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Average Gas Milage

Well, I'm in the average MPG range in towing an Airstream with a gas engine.

Recently got 11 mpg from Albuquerque, NM to Glacier National Park, MT/Waterton Glacier, Canada and back----3,500 miles.

TV: '02 GMC Denali AWD w/Quadrasteer, 6.0 V8, 4.10 gearing with 69K miles and Snug Top topper. (Normally cruise the two lane and Interstates at 60-65 mph using regular grade gas)

TT: '13 25' FB Flying Cloud.
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Old 09-06-2013, 07:56 PM   #164
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1999 34' Excella
Cinnaminson , New Jersey
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just did 900 miles, 03 F350 7.3L 4x2 CCSB 3.73's, 1990 29' excella... got 13 MPG average. Usually just set the cruise at 70 sometimes creep up to 75 when my foot override feature kicks in
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Old 09-06-2013, 08:55 PM   #165
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2006 25' Safari
St. Augustine , Florida
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Comparisons are hard to make in the RV world as info is usually presented with too many unanswered questions (as in my link in Post #86 above).
The overhead MPG readout on my truck is about 11% high. Accurate or not, it is consistent, thus I can check on the fly the effects of winds, traffic or speed on fuel burn.
Good points. As a revisit to this thread, I report an average of **12mpg** by pump/calculator calculation @65 mph on my 4.6L3V 3:55 F150 6-speed and 25' AS. The terrain was mixed SC, GA, FL- quite a bit of flat ground but not so flat in the Northwest area of SC this summer with this average matching all of my previous averages. I have learned that I can increase the mileage by 1mpg dropping to 60mph. Note, afternoon storm winds will blow any mpg average. My truck onboard mpg reading is about 1.4 mpg too high from actual but as mentioned, the readout does account for wind, condition, etc.
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Old 09-07-2013, 01:05 PM   #166
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1971 25' Tradewind
Menlo Park , California
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During our trip to Burning Man, I noticed we got 12.8 mpg running 60-65 mph, including the climb from Sacramento to Reno over Donner Pass. We're pulling a 1971 Tradewind w/ a 1996 F250 4x4 crewcab w/ a 7.3l Powerstroke. Running in the flats we typically get 14 mpg at 55-60 mph.

- Bart
Bart Smaalders
Menlo Park, CA
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Old 09-07-2013, 01:19 PM   #167
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2011 25' FB Flying Cloud
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chalk hill , Pennsylvania
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2006 v10 Touareg diesel with 25 ft FC. On varied terrain 13- 14 mpg running 60-65 mph.
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Old 09-07-2013, 02:03 PM   #168
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1976 Argosy 24
now being enjoyed by Heath and Mary in , Vermont
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A trip to Newfoundland and back to Ontario last summer/fall was 93 days out on the road, 5314 miles

The average mileage was 18.32 overall. This is city and country, loaded and unloaded, day 1 to day 93.

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Keep in mind that I am very heavily loaded (14,500 lbs) and that most of the trip was on constantly changing elevations. Much of it, like in the Eastern Townships of Quebec, Maine, New Brunswick and Newfoundland, of course, included serious grades.

(Keep in mind too that the Canadian gallon is larger than the US so higher miles per gallon readings here. 1 Canadian gallon = 1.2 US or 1 Cdn MPG= 0.8327 US mpg).

The MPG figure equates to 31.5 cents Cdn. a mile.


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