JWRVTexas
Austin, Texas
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Joined: 04/07/2009
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I'm trying to pull together a budget for a long trip next year (9,000 miles) and want to calculate the cost differences btwn gas vs diesel class A.
I know there are significant differences with maintenance and repair costs. I've often read "better MPGs on diesel" but realized I actually have no idea how much better.
I am looking for something like this 2000 Winnebago Journey at PPL:
http://www.pplmotorhomes.com/diesel/2000-Winnebago-Journey-16317.htm
Any help with diesel MPG info is appreciated...
Thank you!
Jennifer
House is on the market and hoping to be fulltime by May 1st!
My Blog: http://www.livinginmycar.com/
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rvtommy
blooming prairie minnesota
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Joined: 07/15/2004
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Most dsl. motor homes in that horse power burn about 6 gallons per hour!!! The V-10 Ford will burn about 8 to 9 gals. per hour. It would take alot of hours of driving to make up the diffrence in buying a dsl. motor home rather than a gas motor home. just my 2 cents rvtommy
this is rvtommy
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wallynm
Los Alamos NM
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Joined: 09/27/2000
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Tell me how fast you want to drive and high much you plan to weigh and I give you a better estimate. It could be any where from 5.5 to 10.5. Over 80000 miles we get 8.3 and drive 55 to 58 and CGVW is around 31,000.
JWRVTexas wrote:I'm trying to pull together a budget for a long trip next year (9,000 miles) and want to calculate the cost differences btwn gas vs diesel class A.
I know there are significant differences with maintenance and repair costs. I've often read "better MPGs on diesel" but realized I actually have no idea how much better.
I am looking for something like this 2000 Winnebago Journey at PPL:
http://www.pplmotorhomes.com/diesel/2000-Winnebago-Journey-16317.htm
Any help with diesel MPG info is appreciated...
Thank you!
Jennifer
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JWRVTexas
Austin, Texas
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I forgot those important details.
I don't understand weight well enough, but as a solo RVer I don't think I would add more than is typical. I don't have a rig yet, so don't know what it would weigh...
I would also plan to tow my car, which is about 3,000.
I drive about 55 mph.
Thanks!
Jennifer
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spitfirepete
Great Outdoors RV resort
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Jennifer
We got 8.9 MPG on our diesel on last summer's 9000 mile trip towing a Saturn Vue.....At 55 MPH we would have gotten probably around 9.2..Our rig weighs 32,000 fully loaded.
Peter and Linda
2007 Mandalay Presidio ISC
1975 Triumph Spitfire toad
2007 Saturn Vue toad
Bichon and Cocker (spoiled puppies)
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djevans
Tennessee
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Joined: 03/24/2002
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The answers you get are going to be all over the place - "Generalizing," a diesel will get better mileage for a given load weight ALL other things equal - there "might" be even a bit more improvement if you tow. (the diesel being again better)
You're not generally buying a diesel RV for only mileage, but because they are better engines with heavy loads, generally MUCH quieter, more reliable, have PAC BRAKES, (or other compression brakes) most have Allison transmissions, (some gas units also have a smaller Allison) generally better on hills, bigger and better brakes, (air brakes that will seldom ever require changing in normal use) have better carrying and towing capacity, better driveability, and are just generally better built chassis'.
Diesels do have a bit more expensive oil changes, but overall, for us, our diesel is way ahead of our older class A gas unit.
But, if mileage is your only consideration, the diesel will never return enough to justify a diesel on that issue alone in most scenarios.
Don . . . near 36.171N 086.784W, TN near here
WA4ZFN
2003 Fleetwood Revolution 40C - Saturn VUE
350hp Cummins ISC
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JWRVTexas
Austin, Texas
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Joined: 04/07/2009
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Thank you all for the replies.
I had decided on the diesel because of the other benefits, but realized I knew nothing with regard to MPG.
The information given is very helpful to me.
Jennifer
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bojumill
central AZ
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Joined: 07/29/2005
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our gas 34 ft Pace Arrow with chev 454 Carb. towing car over 9 mo we avg 6.2 MPG
a newer one with fuel in. would have done better
Bob & Judy
Bob & Judy Miller
Pam the Watch Cat
1986 Pace Arrow
1989 Jeep Cherokee 4 wheel drive & Blue Ox Tow Bar
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Mr.Mark
California/Tennessee
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Joined: 09/24/2006
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Jennifer, fuel mileage is all relative to weight and engine size. Our 425 hp diesel gets about 7.5 mpg on average driving about 58 mph. We weigh 40,000 lbs and pull a 3,400 lb toad.
I have gotten as high at 9.5 and as low as 4.5 (big hills).
There is certainly nothing wrong with a gas coach, every coach needs a loving family. 
Safe camping,
MM.
Mr.Mark 
2008 Monaco Dynasty, 42ft., 4 slides, 425 hp clean-air Cummins diesel
2007 Honda CR-V EXL, AWD, w/Nav and the M&G braking system
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BigSkyBob
Western Montana
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Joined: 11/21/2006
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I get 7.5 MPG driving 63 MPH. My toad weighs 6000 Lb. If I have a decent tail wind I've gotten 9 MPG and with a head wind and in a lot of mountains it drops to 5.5 to 6 MPG. I think 7.5 is a good average for a 350/400 HP DP with a toad and driven sensibly.
2008 Monaco Camelot 40PDQ, 4 slides, 2008 Dodge Ram 1500 Hemi Quadcab 4x4. Blue Ox, Garmin 7200 GPS, Doran Pressure pro on all 10, M&G Brake, 50 amp SurgeGuard, FMCA, Coachnet.
Once you're dead you have lost a very important part of your life.
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