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Old 12-08-2006, 03:00 PM   #15
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2004 31' Classic
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Mpg

We get 10.5-11.0 towing a 31' classic with a F350 dually with the 6.8 L (V10) engine. Highway is @14 mpg with no trailer.
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Old 12-08-2006, 03:04 PM   #16
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2004 25' Safari
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On average I get 10.6 mpg. However I have gotten 11.9 and upwards of 13mpg towing. In normal driving conditions the slower you go from 70, the higher the MPG. For example, towing the 25' Safari with an 04' Sub 2500 6.0L w/ 4.10 gears, I get about 10 flat at 70. At 65, I get on average 10.5 and at 55 I get nearly 12 regularly.


Though when I fill up, it seems like I got gallons per mile rather than miles per gallon.
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Old 12-08-2006, 05:23 PM   #17
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2006 30' Classic
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2004 Duramax Allis-auto 2wheel drive--mileage as follows
55-60 mph solo ---23-25 mpg--hiway-- city 16-18 mpg
55-60 mph towing 06/ 31' Classic 14-15 mpg--hiway--ave-14 mpg
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Old 12-08-2006, 05:31 PM   #18
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118" wb M-B Sprinter passenger van pulling 19' Bambi, 16-17mpg. 23-24 mpg w/o trailer
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Old 12-08-2006, 05:32 PM   #19
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A bit different TV but here goes

1957 Pontiac wagon with 455, turbo 350, 3:73 rear end ratio towing mostly in the BC and WA mountains:

Solo 15 to 17 mpg depending on whether I'm in a hurry or going the speed limit

Towing the FC we get 10 mpg and sometimes 12 depending on which mountain passes we take but never more than that and sometimes if I'm a a big hurry it's a LOT less.

The few times we used our former Trail Blazer with the I-6 we seldom got better than 10 mpg towing at or below the speed limit.

Barry
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Old 12-08-2006, 05:41 PM   #20
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Lipets, I had a GMC 3500 w/454 auto and I towbared a Jeep Grand Cherokee down to Florida from Ohio. I got 11 mpg on the trip down, towing and about 13 average on the way back to Ohio empty. One tank I hit 14.7 mpg.

My Duramax averages 18 "country" driving. I have gotten as high as 18.5 mpg towing my 16' boat and around 13-15 towing the Airstream. Best mileage solo was 21 mpg freeway.
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Old 12-08-2006, 06:32 PM   #21
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If anybody can stand to go that slow, 47 seems to be the magic number for best MPG. Over 50, and it starts to drop, over 55 and the numbers drop in double digit percentages.
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Old 12-08-2006, 06:54 PM   #22
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Unloaded around town - 14-15 mpg.
Unloaded on interstate at 65 mph - 18-20 mpg
Towing our Airstream - 13-14 mpg

TV is a 2001 F250 PSD. I usually run a fuel additive when towing and in the winter.
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Old 12-08-2006, 07:01 PM   #23
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I get 14 plus/minus towing my 31 Classic on flat roads. 12 or so in the hills.
06 F-250 Diesel auto, 3.73 rear end.
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Old 12-08-2006, 07:35 PM   #24
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Quote:
Originally Posted by Pick
Lipets, I had a GMC 3500 w/454 auto and I towbared a Jeep Grand Cherokee down to Florida from Ohio. I got 11 mpg on the trip down, towing and about 13 average on the way back to Ohio empty. One tank I hit 14.7 mpg.

My Duramax averages 18 "country" driving. I have gotten as high as 18.5 mpg towing my 16' boat and around 13-15 towing the Airstream. Best mileage solo was 21 mpg freeway.
I have about 1,400 miles on it now, the 8.1 is 496 w/4:10 rear, alison trany.

So far hwy driving (not towing) 12.5-13.

I expect it to get better mpg than the 6.0 towing, with the advantage of the tow mode in the alison.

Time will tell, Jan trip will be 3,500 miles.
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Old 12-08-2006, 08:27 PM   #25
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I get 13 mpg with the travelall ,no trailer in tow .with the 60 trdwnd in tow
its 10 or 11 mpg depends on the hills . It has a 392 V-8 5 speed OD manual trans 4 wheel drive .IH engines usually do 10 if your lucky ,but upgrades such as MSD ignition system with dash controlled timing at your finger tips and
some other modifications helps power and fuel economy greatly .Im still looking for another mile or two to the gallon ,so it may be up to 14 no trailer.
Well see what else shes got in her .

Scott
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Old 12-08-2006, 08:37 PM   #26
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my new to me Excursion V10 gets 12 or so around town so far, hoping to get 10-12 towing. My AS Classic Moho got 7-8 so we are already ahead.
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Old 12-08-2006, 08:47 PM   #27
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Miles per Gallon?

Tow Vehicle:
  • 1999 GMC Suburban K2500 -- 7400 VORTEC, 4.10 differentials, 10,000 pound Trailer Towing package -- special ordered January 1998 - delivered on April 12, 1999. Current odometer 177,000 miles.
    • Solo 14 MPG highway (regular No-Lead) 10 MPG urban
    • '78 Minuet (3,100 Gross Weight)
      • 55 MPH level highway 13 MPG
      • 55 MPH mountainous highways (route to Salem, OR) 12 MPG
      • 10 MPG stop-and-go Urban driving
    • '64 Overlander International (6,100 Gross Weight)
      • 55 MPH level highway (Premium Fuel) 12 MPG
      • 55 MPH mountainous highways (route to Boise, ID) {Premium Fuel} 10 MPG
      • 9 MPG stop-and-go Urban driving (Premium Fuel)
  • 1975 Cadillac Eldorado, 8.2 Liter V8, 2.70 Final Drive
    • Solo 10 MPG highway (regula No-Lead) 9 MPG urban
    • 1964 Overlander International (6,100 Gross Weight)
      • 55 MPH level highway 9 MPG (Regular No-Lead)
      • 7 MPG stop-and-go Urban driving
The Eldorado hasn't had the opportunity to tow either trailer in the mountains, and wheel problems have prevented it from towing the Minuet.

Kevin
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Old 12-08-2006, 08:48 PM   #28
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Just finished a 1500 mile trip to Arizona and averaged 13 mpg with the Caravel, travelling 65 mph +/- , the 4runner alone usually gets 19-20 mpg
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