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Open Roads Forum > Class C Motorhomes > Class C

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LadyRVer

Florida

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Posted: 11/25/19 06:53pm

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i always figured 8.0 mpg... uphill, downhill, headwind or tailwind. Towing or not. Seemed it always averaged out to that over a trip.

bobndot

USA

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Posted: 11/25/19 07:21pm

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Without an upgrade towing a toad 4-down = 8.5 @63 mph but speed , hills and wind will play into that number. 4.56 gears w/6-speed.

PartyOf Five

Wheaton, IL

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Posted: 11/26/19 08:02am

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We stay around 7mpg going 70, but were at 6 pulling a full size sedan/ dolly through the mountains this summer... Faster downhill and slower uphill so i figure the same average speed. No mods, 2002 v10.

Da Moose:2001 31' E450. 30k in 3yrs.
PartyOf5: Driver's DW & 3 pre-teens -trying to connect, learn, appreciate creation & the Creator
May you find Peace in all that you endeavor

ron.dittmer

North-East Illinois

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Posted: 11/26/19 02:43pm

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2007 E350 chassis with V10 engine and 5-speed Torqshift trans.
24 footer, aerodynamic rig, weighing in close to GVWR of 11,500
67-68 mph typical cruising speed

10.5 mpg not towing

9.2-9.5 mpg towing our Jeep Liberty 4-down

This is our rig with our 4200 pound tow.
[image]

* This post was edited 11/30/19 08:17am by ron.dittmer *

2007 Phoenix Cruiser model 2350, with 2006 Jeep Liberty in-tow

pushtoy 2

texas

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Posted: 11/28/19 12:45pm

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thanks for all the replies. i guess iam right in the ball park.. pulling a 3500lb. car and fully loaded iam getting 6.5 to 7 on a mostly flat road but in the mountains all bets are off.. i dont check it then

DREAMER ">

overdrive75

Whitmore Lake, MI

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Posted: 11/29/19 06:31pm

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pushtoy 2 wrote:

^^This is the real answer here.

I get between 6.5 and 8 mpg depending on conditions, generator running or not. I am always towing a toad that scales out at about 5k lbs for the road.

[image]

ron.dittmer

North-East Illinois

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Posted: 11/30/19 08:14am

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overdrive75 wrote:

pushtoy 2 wrote:

Thanks for all the replies. I guess I am right in the ball park pulling a 3500lb. car and fully loaded I am getting 6.5 to 7 on a mostly flat road but in the mountains all bets are off. I don't check it then.

This is the real answer here.

I get between 6.5 and 8 mpg depending on conditions, generator running or not. I am always towing a toad that scales out at about 5k lbs for the road.

Hmm...

Mine is a real answer too. My numbers are calculated at the end of the trip with consideration to our Onan-4000 generator usage of 1/2 gallon per hour. Our trips are between 4000 to 6000 miles so there are a lot of miles and conditions considered in my declared fuel economy. My mpg numbers posted a couple of replies earlier are as accurate as I could get.

We do live near Chicago, so many of our miles are interstate-driven across the Great Plains.

Now I could post better numbers yet if I considered the fuel economy of the tow vehicle. Those miles keep the motor home at the campsite. But I never track the tow vehicle so I am unable to consider it in trip averaging.

klutchdust

Orange, California

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Posted: 11/30/19 05:56pm

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2009 Cambria 30ft.
Every mile, every gallon documented for the last 45K miles averages out to be 8.5. Average speed 62 or so. Toad or no toad, same. Generator use, doesn't matter.
If mileage per gallon is a concern then a motorhome may not be right for you. Mileage stinks, enjoyment is fantastic.

Tuning upgrades. I see no value in them. This vehicle that resembles a box of kleenex on wheels goes fast enough up hills and down and pulls my toad just fine.
Enjoy the holidays my friends.

* This post was edited 12/01/19 09:10am by klutchdust *

rondeb

Pacific Northwest

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Posted: 12/01/19 12:11am

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We have kept a log for 15 years. We have had Class C's (2 25 foot) and Class A's (30 and 33 feet) Doesn't seem to get any difference in mileage between the rigs. We avg 7.5 to 8.5 Towing a light weight car.