Is 35 MPG at 56 MPH OK? (2.0 litre euro 6 engine)

MrsKiteman replied on 22/01/2019 12:38

Posted on 22/01/2019 12:38

Afternoon everyone. As the title suggests really........... We are just getting used to our new 3500kg motorhome.....single axle at the rear It is based on the new ford 2.0 Ecoblue euro 6 engine (130 bhp) It currently has 9000 miles on the clock. We recently did a trip up to scotland where for 99% of the time we stuck religiously at 56mph. There was no wind and the road was dry. Is an average of 35MPG over the course of 450 miles acceptable. I have the tyres pumped up to 55 PSI front and 65 PSI rear (IF I should be expecting more then as it is still under warranty then I will be able to take it back to the dealer to get them to investigate) Thanks in advance

Randomcamper replied on 22/01/2019 14:16

Posted on 22/01/2019 14:16

then I will stop fretting trying to get it up to what ford said it would do.

Ford wont have any idea what weight/style of conversion the converter was going to put on their chassis so wont have made any commitment to what your motorhome should achieve mpg wise.....

35 mpg is good, better than the 28mpg we get......

viatorem replied on 22/01/2019 14:45

Posted on 22/01/2019 14:45

Interesting hearing motorhome fuel figures, as a tugger my all up weight towing with a 2ltr diesel is around 3.5T giving around 27mpg. (40+ solo)Maybe the  total mass and aero is similar to a MH with the van on the back. With a lighter right foot towing at 56mph could probably better 30mpg.

I have found with all the diesels I've owned that fuel economy improves slightly as they run in. This can take 30-40k miles.

Tinwheeler replied on 22/01/2019 15:16

Posted on 22/01/2019 14:45 by viatorem

Interesting hearing motorhome fuel figures, as a tugger my all up weight towing with a 2ltr diesel is around 3.5T giving around 27mpg. (40+ solo)Maybe the  total mass and aero is similar to a MH with the van on the back. With a lighter right foot towing at 56mph could probably better 30mpg.

I have found with all the diesels I've owned that fuel economy improves slightly as they run in. This can take 30-40k miles.

Posted on 22/01/2019 15:16

A commercial vehicle is designed to carry weight and is tuned and geared accordingly, Via.

A car is not specifically designed to tow heavy loads so is not tuned or geared to do so which might explain the difference.

MrsKiteman replied on 22/01/2019 15:18

Posted on 22/01/2019 15:18

Thanks all.

As for "what were expecting"....

I think we were taken in by the sales blurb and the "13% better fuel economy than the outgoing model"

In retrospect, 35 mpg is OK........... 

As you say, it beats 25 sealed 

replied on 22/01/2019 15:29

Posted on 22/01/2019 15:29

The user and all related content has been Deleted User

hitchglitch replied on 22/01/2019 15:43

Posted on 22/01/2019 15:43

Peugeot based, 2.2 litre, 3500kg we get around 25 mpg long distance motorway at around 65 mph. 35 mpg is more than I would ever dream of!

viatorem replied on 22/01/2019 19:11

Posted on 22/01/2019 15:16 by Tinwheeler

A commercial vehicle is designed to carry weight and is tuned and geared accordingly, Via.

A car is not specifically designed to tow heavy loads so is not tuned or geared to do so which might explain the difference.

Posted on 22/01/2019 19:11

I realise vans and cars are different beasts but was just surprised how similar consumption figures were forMH,s versus my rig and speculated that a similar capacity engine moving a similar mass and brick shaped aerodynamics  was the reason. 

 

cyberyacht replied on 22/01/2019 22:23

Posted on 22/01/2019 22:23

I used to get similar consumption with my Kuga towing the van as I get with the lowline MH running at about the same overall weight. Clearly from the figures being quoted, travelling at slightly lower speeds make a significant difference to consumption.

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