How much??? Motorhome MPG (1 Viewer)

hdvrod

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Dec 27, 2011
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devon
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Think its all down to how you drive and the type of roads you are on,I have 2.9, 5 cyl turbo sprinter circa 1997,average between 25-27.
 
Aug 6, 2013
11,953
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Kendal, Cumbria
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Le-Voyageur RX958 Pl
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since 1999
Pushing a Suzuki Cobra hard in the 1970s would see under 20 mpg..............:Eeek::ROFLMAO:

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54mud

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Sep 18, 2009
100
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Stone, Staffordshire
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24 on and off
My Land Rover Defender based MH, with over cab bed and running near it's 3.5 ton limit does on average 28mpg. Thats with a 300TDI, big intercooler and no electronics and my right foot is the cruise control. And the speedo is not to far off what the satnav reads.:thumb:
 
Oct 28, 2013
490
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Lincoln
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My Land Rover Defender based MH, with over cab bed and running near it's 3.5 ton limit does on average 28mpg. Thats with a 300TDI, big intercooler and no electronics and my right foot is the cruise control. And the speedo is not to far off what the satnav reads.:thumb:
That's pretty good going for a 300TDi.
Mine only used to get 27mpg in standard form...
 

golly

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Aug 16, 2009
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What size engine is in your Merc ? our Auto-Sleeper Sprinter based Merc is 2.1 TDCi Automatic and we average 25.6mpg. Worst we got was 21.65 mpg and the best 30.26 mpg but I do drive like a nun and use the cruise control whenever its safe to do so.

John

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Feb 24, 2013
13,079
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Bolsover, Derbyshire
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Hymer S800
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not long enough
I reckon a genuine 30mpg is as likely as gassing!! :ROFLMAO:

I get virtually the same mpg as OP, we have a Mercedes Sprinter based auto 3.0, the actual cc is near this, but V5 says 3000cc (6 cylinder I think, sorry not at all techy) we are 5 ton max though with 6 wheels

It doesn't make a deal of difference how fast we go, but I never go over 65, usually 60 on motorways, don't bother with cruise control, not convinced it helps with mpg. we have been down at 18 and over 24 on a typical 200 + mile run. Computer and actual refills seem to match quite well

But a point made by DevonBeeKeeper, made we wonder about mine, when I manoeuvre at home before leaving, having been stood, it sometimes feels like my brakes are slightly on, like handbrake only half released, being an auto I only use Park don't use handbrake, although I do pull it on and off each time out to make sure cable stays free for MOT. When I am underway I am not aware of similar restrictions, including pulling away from lights etc. no performance issue at all there, but could slightly binding brakes cause enough drag to affect mpg? There is no noise or smell from brakes at all. Anybody else get this, I might run a new thread
 

54mud

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Sep 18, 2009
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That's pretty good going for a 300TDi.
Mine only used to get 27mpg in standard form...

Before it was converted and was a standard hard top body, the best I got was 35mpg when touring France in 2001. It is well maintained with the big Allysport intercooler and Hiclones fitted, and steady driving.
 

Steve

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May 8, 2013
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on and off for 40 years
Hi, I have a 2.8jtd 2004 Ducato remapped. I drive quiet hard, had the gvw upped to 4000kg as I was always over 3500kg and get around 23/25 mpg
Steve

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Volusia

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Oct 2, 2013
205
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Haute Vienne France
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Recent converts from boating
It's a hobby and pastime, the fact you won't get consumption at the level of the family car or van come to that, shouldn't really be a great consideration. After all we do carry everything, and in our case, that does include the kitchen sink! ;0)
 

Snowbird

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Apr 24, 2009
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Having read the OP my faith has been restored in old school Mercedes technology. My 24 year old 2.9 turbo 5 pot running at 4.6 ton towing a trailer with a Smart car on does 19/22 MPG on Bio and 20/24 on fossil diesel. I dont nurse it otherwise it would stop. Once wound up to 56/60 MPH it sits there happily until a slight incline comes into sight. Then you have to floor it. By the sounds of things Mercedes have not moved on that much in the last 20 years. It is serviced at the correct intervals and oil changes at 5000 miles, regardless of where I am at the time. Tyre pressures do make a difference and I run 70 PSI front and 75 PSI on the twin rears.
 
Oct 28, 2013
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Before it was converted and was a standard hard top body, the best I got was 35mpg when touring France in 2001. It is well maintained with the big Allysport intercooler and Hiclones fitted, and steady driving.
Mine had the big intercooler and regular servicing too but, thinking about it, it may have had something to do with it being an automatic.
I've never owned the manual version to compare, is yours manual?

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Geo

Trader - Funster
Jul 29, 2007
11,757
14,565
Mansfield,Notts
Funster No
35
MH
Autotrail Tracker FB
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45 +years with breaks
Time I cheered you lot up
6800cc V10 Petrol 12-14 max:thumb:
And I dont care:thumb:
 

Trikeman

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Aug 22, 2012
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Wilds of Ceredigion.
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AT 634 Apache.
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Since 2011.
My MoHo, Autotrail Apache 700SE / Fiat 2.8 does 31 average to the gallon (several times tank full to tank full) that's driven at max 58mph, I am meticulous about tyre pressures and have found on Michelin Agilas 16inch run at 75psi which gives us the best mpg and comfort.

I will say that the mpg drops substantially once up around the 70mph mark.

My last MoHo was 3 mpg better overnight when I found the tracking was toeing out quite a bit - has to be one of the worst mpg 'affecters' and will cost a fortune in tyres too.

Regards,

Trikeman. :winky:
 

Snowbird

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Apr 24, 2009
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Time I cheered you lot up
6800cc V10 Petrol 12-14 max:thumb:
And I dont care:thumb:

You sure as hell would care if you did the mileages I do :ROFLMAO:

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oldmanriver

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May 24, 2013
183
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gillingham kent
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autotrail comanche
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im a newbie
swift kontiki 669 3.0 litre about 22 mpg but don't drop below 65mph often touch 70 mph if I run at 55-60 mph it does make a difference but I didn't buy it for the economy, my comfort comes first
 
Oct 28, 2013
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Lincoln
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Yep,, and a gallon of two stroke!

Much the same as. My kwaka. H1

But in those days who cared about mpg!
:thumb::ROFLMAO:
My old man did.....you should have heard him whinging and moaning about the cost of fuel rising to 75p / GALLON!!!
Mind you, he was only bringing home £13 / week....

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Chris

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May 5, 2010
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I never really check it to be honest.

My new van seems to be more economical than my 2008 van , but as a family we use a lot less fuel than we used to 3-4 years ago. Economical cars, using local campsites and even walking to the shops:)Eeek:)

I begrudge the Government the tax.
 

LARRY99

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May 27, 2011
298
443
South wales
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C class Rv/ Dethleff
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Have you still got it? 500 or 750

I wish, long since gone , they are going for a small fortune now!
H1 500
H2 750
Both mean machines in their day ( and Kawasaki only made bikes as a sideline, )
£ 595 brand new, and it could have bought a bonnie cheaper! But why follow the pack

Still have my wing, old mans bike, but hey I am a old man!
 

Hercules

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Sep 30, 2012
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I had a tuned Suzuki GT750, slide carbs, chambers, ported etc. 15 to the gallon if I tried hard enough plus two stroke oil! I loved that bike.

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May 6, 2010
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Doncaster
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April 2010
Reading these posts I'm more than happy with what my 8100cc V8 Vortec is getting sucking on LPG :Smile:

I too had a 350 LC, a guy round the corner had 500 LC in Malboro colours :Smile: although I always wanted the RG500 before moving onto bigger 4 strokes :thumb:
 

Hercules

Free Member
Sep 30, 2012
44
48
SWANSEA
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MH
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Reading these posts I'm more than happy with what my 8100cc V8 Vortec is getting sucking on LPG :Smile:

I too had a 350 LC, a guy round the corner had 500 LC in Malboro colours :Smile: although I always wanted the RG500 before moving onto bigger 4 strokes :thumb:

I would have loved to have had an RG500, but family commitments came along, I later had serious big 4 strokes, but you can't beat the feeling of riding a fast stroker.
 

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