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Old 01-12-2021, 09:05 AM   #1
Philmont man
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Default Fuel milage

I have a recently purchased 2006 Gulf Stream voyager diesel.
I haven't taken it on a trip yet and Iím curious as to what kind of fuel mileage it gets. Anyone know?

Dennis Peterson
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Old 01-12-2021, 11:17 AM   #2
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It will be driving style and road/load/wind/grade dependent, but on the highway you should be able to get at least 8 MPG or better if not towing and keeping under 65 MPH. Which engine is in your coach? My 2007 Tour Master with the Mercedes turbo diesel got just a bit better mileage than the Cummins version...


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Old 01-24-2021, 10:52 AM   #3
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Donít know the Voyager, but Iím at 32K lbs towing another 4,600. Cat C7 and run between 7.5 and 8.
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Old 01-24-2021, 11:02 AM   #4
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I have the C& Cat in a 41 ft G& Friendship. 8mpg if you keep your foot out of it. 6mpg if towing trailer or auto.
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Old 01-24-2021, 11:06 AM   #5
Photobug17
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We have a 2007 Sun Voyager and at minimum get 8 mpg towing a Chevy Colorado. It does depend on road conditions, wind and how heavy a foot one has. We have gotten a much as 10 miles to the gallon on flat road doing 60 mph.
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Old 01-24-2021, 11:14 AM   #6
Swiss Man
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Quote:
Originally Posted by Philmont man View Post
I have a recently purchased 2006 Gulf Stream voyager diesel.
I haven't taken it on a trip yet and Iím curious as to what kind of fuel mileage it gets. Anyone know?

Dennis Peterson
Hi Dennis. I have a GS Scenic Cruiser with 400hp Cummins. We tow a 27ft trailer 10Ď000lb. Average 7mpg at 62 mph.
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Old 01-24-2021, 01:07 PM   #7
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We have a 35ft 2007 that we bought used. Tow a Toyota Sienna on a car carrier. I keep a spreadsheet of all our fill-ups. Total Gallons 4112.373 over 23089 miles since 28 Aug 2015, giving an avg mileage of 5.61 mpg. That does includes a 6000 mile cross country trip, but mostly annual trips to AZ, and weekend trips in southern Calif.
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Old 01-24-2021, 01:51 PM   #8
Chuck v
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Kathryn,


That mileage figure sounds like your coach has a gas engine -- is that right? Most diesels get a bit more than that for fuel economy...


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Old 01-24-2021, 02:31 PM   #9
Kathryn
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Quote:
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That mileage figure sounds like your coach has a gas engine -- is that right? Most diesels get a bit more than that for fuel economy...

You are quite right, I totally forgot to mention that. Still, for all the weight including the toad, it's pretty good for gas - we were expecting about 4mpg. BTW, we have a Banks system that gives us up to 10 horsepower when needed.
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Old 01-24-2021, 03:38 PM   #10
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Yes it is very acceptable for a gas rig of that size when towing -- just wanted to confirm the particulars since the original poster of this thread was asking what to expect from hie diesel...


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Old 01-24-2021, 10:33 PM   #11
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I have the 330 HP Cat same as the C-7 and it gets 8-9 mpg towing a Buick Envision 2018
Total weight about 32K.
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