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Old 10-14-2021, 11:38 AM   #1
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Estimated mpg on Standard Class C-25

Hi folks, I know this can be a wide open question but I need a general idea what fuel mileage I can expect with a Standard Class C-25. I normally pull a travel trailer, but I am renting this one from Cruise America to pick up my sister in California and move her and the kitties to Oklahoma. We will be traveling around 65 m.p.h. for the most part on I-40 from Oklahoma to California. Any estimates would be greatly appreciated; I am trying to figure out where and when my gas stops need to be. Thanks so much for any help. Tom
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Old 10-14-2021, 12:18 PM   #2
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My 25 ft Axis, a class A on a class C chassis, gets between 8 and 11 MPG.

Heading to Florida , loaded for 6 month of travel and car in tow, we get about 8 MPG.

Weekend trips to see family , we get the 11 MPG.
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Old 10-14-2021, 01:21 PM   #3
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If you travel slower….. 55-60mph you will probably increase mpg by 2mpg.
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Old 10-14-2021, 01:33 PM   #4
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There is an easy in and out COSTCO in Barstow, Ca.
Best price in town.
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Old 10-14-2021, 02:11 PM   #5
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We rented a C25 from Cruise America and did a similar trip from CA to where we dropped off the rental in Memphis. The rental burned 247 gallons to travel 2296 miles. So, a little more than 9 mpg.
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Old 10-14-2021, 02:17 PM   #6
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4 years ago in Canada on a new-ish 28', got 9-10 mpg when driving slow/flat, 7.5mpg otherwise (faster or hillier). As already suggested by other(s), you'll get much better mileage cruising 55.
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Old 10-14-2021, 02:49 PM   #7
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Speed and terrain have drastic effects on fuel usage. You can expect around 8-9 mpg on average. Maybe 10 or 11 or 7 or 8.

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Old 10-14-2021, 03:29 PM   #8
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9-10-ish on the flats if you keep your foot out of it.
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Old 10-14-2021, 05:09 PM   #9
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The answer doesn't depend much at all on the length. It's the front (pushing into the wind) and the rear (vacuum trying to resist forward motion) that matter the most, and the largest thing that will affect mileage is speed.
55: ~10mpg
65: ~8.5mpg
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Old 10-14-2021, 06:34 PM   #10
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Man am I doing good with my 25ft Winnie on the VS30-3500 MB diesel getting 12 MPG when towing my PU and 16-17 without the tow. Average speed is 65MH
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Old 10-14-2021, 06:45 PM   #11
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Quote:
Originally Posted by Mrueth View Post
Man am I doing good with my 25ft Winnie on the VS30-3500 MB diesel getting 12 MPG when towing my PU and 16-17 without the tow. Average speed is 65MH

We could be misleading the OP. A Mercedes diesel and a Ford powered Class C are quite different in fuel consumption.


And, as others have said, there is a substantial difference in MPG between 55 and 65 MPH. You are pushing a LOT of wind around.
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Old 10-14-2021, 07:00 PM   #12
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Just last month, our friends rented a 25 foot long Cruise America class-C on a 2019 E350 chassis, V10 engine, and around 120,000 previously driven miles. They drove from the Chicago area to the Black Hills of South Dakota and back. They did not tow anything. They did refuel calculations at 7 and 8 mpg. Their speed was 60 to 65 pending road and wind conditions.
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Old 10-15-2021, 11:06 AM   #13
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Quote:
Originally Posted by Mrueth View Post
Man am I doing good with my 25ft Winnie on the VS30-3500 MB diesel getting 12 MPG when towing my PU and 16-17 without the tow. Average speed is 65MH
I believe a standard class C 25 foot from Cruise America is going to be a gasser, not a diesel.
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Old 10-20-2021, 09:34 AM   #14
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Mine is a e450, 24.6 ft. THOR 23u. 8 to 9 mpg common. Seen as high as 11, as low as 6.75. Mine has a higher ratio rear end. Most report e350 motorhomes getting 8 to 10 common. I'd be careful comparing a cruise America 7 to 8 same size, coz we have no idea what generator usage was. Also wouldn't compare to a Mercedes diesel. Much bigger capacity in a e450, v10 based rig, and the costs for that diesel are MUCH higher poth in acquisition and maintenance.. more than likely higher than any possible gas savings over lifetime ownership of the rig ��
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