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Old 05-18-2012, 02:39 PM   #1
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gas mileage ?

My question is we currently tow a 23 B so it is light weight. We are considering upgrading to a larger TT. Will a heavier Tt reduce our gas mileage when towing or is the gas mileage just affected by the wind drag anyway?

2010 Jayco 23 B
2001 GMC Yukon XL 2500
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Old 05-18-2012, 02:46 PM   #2
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Weight and wind resistance both contribute to you gas mileage.

2012 Jayco Eagle 321RLTS
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Old 05-18-2012, 02:46 PM   #3
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A heavier TT will cause more work for the TV especially when going up hill, so assuming that the frontal area is similar, the heavier TT will use more fuel than a lighter unit.
Karl - Southeast, NY
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Old 05-18-2012, 03:25 PM   #4
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Our 308fbs is heavier than our old Terry was but actually pulls easier because of the shape of the front.
Alan, Kim, & Kaitlin
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Old 05-18-2012, 04:51 PM   #5
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A heavier TT will use more fuel, but the mpg is impacted by the wind resistance much more by the wind resistance than by the weight. So your mpg will suffer with the heavier TT, but likely not by much unless you are in some very hilly terrain.
2012 Jayco 32TSBH
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Old 05-18-2012, 11:11 PM   #6
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the faster you drive the worse your mileage will be too...
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 765 watts of solar, 6-6 volt batteries (696 amp hour), 2000 watt (4000 surge) whole house inverter.
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Old 05-19-2012, 12:16 AM   #7
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The more "stuff" your wife crams into the trailer.. The worse your mileage will be.
Guess how I know about this.

Lady Wendolyn Jayflight 28BHS

For a tour of my glamorous, cool camper, and an "Ad a bifold door Mod: http://mycoolcampingcaravanadventures.blogspot.ca

For these Mods: Master bedroom shelving in closets and countertop extension: http://mycoolcampingcaravanadventure...es-camper.html

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Old 05-19-2012, 11:21 PM   #8
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Heavier TT gets better gas mileage when going down hill
2007 Toyota Tundra Crewmax LTD 4x4 5.7l w/4.3r 381 hp and 401 lb-ft of torque
2012 Jayco 32BHDS
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Old 05-20-2012, 11:02 AM   #9
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When we bought this new jayco, I was thinking that my mileage would go in the toilet. This trailer weights 2000 lbs more than my last one. I was hopping I could get the same fuel mileage as before. So I thought maybe if I slow down a bit I could get the same mileage. I slowed from 70mph to 65 mph towing. My mileage went from 10 to 11.5. I was very happy. The only thing I could think, besides the speed was that this trailer has smooth fiberglass siding, a smooth front end cap, and a enclosed bottom. So there is a lot of different things that contribute to mpg.
2004 Silverado duramax
2012 Jayco Eagle 330RLTS
Added fireplace https://www.jaycoowners.com/showthread.php?t=5015
Added Bedroom light switch and outlet https://www.jaycoowners.com/showthread.php?t=7582
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Old 05-20-2012, 12:21 PM   #10
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Be careful, most trailer tires are rated for a maximum speed of 65 mph.

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