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Old 03-23-2015, 07:26 PM   #15
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Do what I do just go to the gas station when close to empty and fill it up and don't worry about the mileage... seems silly so many people are worried about gas mileage in something that only gets bad or worse!!!
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Old 03-23-2015, 07:48 PM   #16
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I agree, I didn't buy a 40' behemoth to worry about mpg.
Having said that 4018 miles , 531 gallons= 7.56mpg.
I can live with that. Well I would have anyway, so what's the point?
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Old 03-23-2015, 08:01 PM   #17
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only reason to keep eye on mpg is look at eng performance if it starts to drop need to ck out
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Old 03-23-2015, 08:30 PM   #18
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Originally Posted by 96 Wideglide View Post
Little off topic, but I noticed your toad is a turbo model Sonic, with I assume, automatic transmision (AT).
I also flat tow a Sonic, but everything I've read says the turbo model with AT is'nt flat towable .
The owners manual ok's flat towing for all but the RS. Confirmed by Chevy customer service. Motorhome magazine and Remco towing website both say different. Actually the most recent motorhome mag dinghy guide now says yes. I've flat towed it about 12,000 miles now.
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Old 03-23-2015, 08:53 PM   #19
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6.44 mpg spread sheet average on a 7500 mile trip out west two years ago towing the CJ7. Not happy, but it is what it is.
6.3 mpg spread sheet average on 17,279 mi since new. Towing. Gen set use subtracted out. 87 octane ethanol blend, ave price=$3.48/gal.
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Old 03-23-2015, 09:26 PM   #20
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6.3 mpg spread sheet average on 17,279 mi since new. Towing. Gen set use subtracted out. 87 octane ethanol blend, ave price=$3.48/gal.
I hope you meant 2.48/gal.

1200 miles driven, 6.4 mpg towing F150 CC. Mostly rolling hills and state highways Weight 43K + 5800 for F150. Hoping for 7.0 - 7.5 on I-10 West.
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Old 03-23-2015, 09:39 PM   #21
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I hope you meant 2.48/gal.

1200 miles driven, 6.4 mpg towing F150 CC. Mostly rolling hills and state highways Weight 43K + 5800 for F150. Hoping for 7.0 - 7.5 on I-10 West.
I wish! The numbers start from when we got it new in Oct 2010. We had high gas prices in 2011-2014 or most of the MH's life. We even got to pay some of Canada's outrageous prices along the way. Gas prices started to come down Sept 2014, about the end of our last trip of last year. Haven't had it on a trip yet this year so, yep my average gasoline cost since the day we got it new has been $3.48/gal.

I've got to get back on the road so I can burn up some of this cheap gas and bring my average cost down!
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Old 03-24-2015, 12:03 AM   #22
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Originally Posted by aauummm View Post
I wish! The numbers start from when we got it new in Oct 2010. We had high gas prices in 2011-2014 or most of the MH's life. Gas prices started to come down Sept 2014, about the end of our last trip of last year. Haven't had it on a trip yet this year so, yep my average gasoline cost since the day we got it new has been $3.48/gal.

I've got to get back on the road so I can burn up some of this cheap gas and bring my average cost down!
Boy do so many of us fit that description, I still got a full tank of it from last year
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Old 03-24-2015, 07:55 AM   #23
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Boy do so many of us fit that description, I still got a full tank of it from last year
chuckle....me too! I checked my spreadsheet. I last filled it up 40 miles from home returning from our last stay out in Colorado. This was on 8/2/2014 at a price of $3.359/gal. Like you, that's the gas that's still in my tank.

I topped it off for winter storage and added Stabil on 10/30/2014 at a price of $2.849/gal.

Then on 12/22/2014 I took this picture:
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Old 03-24-2015, 09:18 AM   #24
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So I guess this is good as it will get. I was hoping for a little better.

Left home in October with almost 4000 miles on coach (2014 Winnebago 31KE on F53 18000 lb chassis) so it was broken in. Returned last week with just under 10,000 miles. Kept careful records of mpg. There was wind and there was mountains. I have a light foot and also rarely exceeded 60 mph as toad has a 65 mph restriction. Toad is a 2013 Chevrolet Sonic (about 2800 lbs). Toad brake system is integrated into the tow bar (Ready Brute Elite) and I know it wasn't ever dragging.

Got as low as 5.9 mpg (Oklahoma head wind) and as much as 8.4 (between Winslow AZ and Boulder City NV). Wind was the biggest factor. I doubt that the toad had any impact at all.

So that's the real deal. Don't know if there's much variation in the F53 but I know others have reported better mpg so I was hopeful.
You may do a little better after putting more miles on your motorhome. Our average early on was about 7.0 miles per gallon over the first 10,000 miles. It increased another .8 miles per gallon when we were in the 12,000 mile range.

Weather, terrain, and speed play a big role in what mileage you can get. Another thing that will affect mileage is the kind of fuel you use. Most places sell regular unleaded with up to 10% ethanol. Ethanol has less BTU's per gallon so consequently gives poorer mileage than straight unleaded gas.

Whenever we can find it we use regular unleaded without ethanol. The mileage increases about 15%. Non-ethanol gas can be found in many Midwestern states. The humorous part is that it can be most easily found in Iowa. Almost every little town has 1 or more stations selling both unleaded with and unleaded without ethanol. The reason I say this is humorous is that Iowa is the largest producer of ethanol for use in gasoline. It seems the farmers that grow the corn and make the ethanol don't necessarily wan to use it in their vehicles.
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Old 03-24-2015, 09:41 AM   #25
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On our last long road trip, 7200 miles, we got 7.2mpg towing our Dodge Durango. That trip was from our home in Alaska to the lower 48 and back. While this might not be great mpg's, I suspect that it might improve a little as the engine only has 25000 miles on it and not broken in yet. With the larger/heavier MH's I would not expect much more then 7-8mpg's.
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Old 03-24-2015, 05:56 PM   #26
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I have noticed that if you say you get 22.0 miles per gallon there will be someone that will have the identical coach and will get 24.9 miles per gallon.

I on the other hand have a 38 foot allegro bus and I get between 5 and 6.
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Old 03-24-2015, 07:14 PM   #27
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Originally Posted by 96 Wideglide View Post
Little off topic, but I noticed your toad is a turbo model Sonic, with I assume, automatic transmision (AT).
I also flat tow a Sonic, but everything I've read says the turbo model with AT is'nt flat towable .
The 2015 Motorhome mag, Guide to towing says the Sonic (A/T and manual) is flat towable, except the RS model.
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Old 03-25-2015, 04:26 AM   #28
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Sounds about right. I run a 2003 8.1 Workhorse under a Winnebago 35U Adventurer. Last season I ranged between 6.8 and 8.2. Speed and wind were the two factors that affected the milage the most. For the season we averaged 7.8. The good days were 55 mph with no wind. My best day was a strong tail wind for the entire run. Speed was 60 max. Maybe we should get sails for these things??
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