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#1 Drich290195

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Posted 17 May 2012 - 12:37 PM

did a 350 mile trip on sunday and worked out i got 48 mpg from my 1.8tdci focus doing the same trip tonight anyway i can increase this, is about 100 miles a roads the rest motorway and this was a steady 70 mph

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#2 DJ_Andy_M

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Posted 17 May 2012 - 01:31 PM

did a 350 mile trip on sunday and worked out i got 48 mpg from my 1.8tdci focus doing the same trip tonight anyway i can increase this, is about 100 miles a roads the rest motorway and this was a steady 70 mph


I managed 52mpg during a weeks worth of driving, again mainly motorway at 70mph. Drop the speed to 60mph you'll find it will be a lot better MPG. Still I'm not getting anywhere close to the 65mpg my 1.6 diesel is meant to get

#3 Drich290195

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Posted 17 May 2012 - 02:22 PM

yeah they quote 66 in the manual i reckon theirs fat chance of that

#4 rojariggs

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Posted 17 May 2012 - 02:53 PM

yeah they quote 66 in the manual i reckon theirs fat chance of that

Of course there's fat chance!

Firstly, the fastest a car goes when being MPG tested is 56mph. As soon as you go over 56mph the MPG will start dropping. Also, the tests are conducted in wind, hill and traffic free labs.

The idea of the EU MPG tests is to give an indication of how cars perform when compared to each other. It is not necessarily what you will achieve in real life.

In recent years the difference between lab MPG and rea life MPG has also become more pronounced as manufacturer's are chasing as low a CO2 rating as possible which means that cars are being setup to run optimally in the exact test conditions at the exact test speeds with less and less emphasis on real world consumption.

#5 DJ_Andy_M

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Posted 17 May 2012 - 03:05 PM

Of course there's fat chance!

Firstly, the fastest a car goes when being MPG tested is 56mph. As soon as you go over 56mph the MPG will start dropping. Also, the tests are conducted in wind, hill and traffic free labs.

The idea of the EU MPG tests is to give an indication of how cars perform when compared to each other. It is not necessarily what you will achieve in real life.

In recent years the difference between lab MPG and rea life MPG has also become more pronounced as manufacturer's are chasing as low a CO2 rating as possible which means that cars are being setup to run optimally in the exact test conditions at the exact test speeds with less and less emphasis on real world consumption.


Fair point, but I could argue the toss that its like UK broadband speeds with their advertising of up to 24mbps but most people average around 10-15mbps likewise most people average around say the 40-50mpg mark doing an average drive lol!

#6 Drich290195

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Posted 18 May 2012 - 04:06 AM

Only got 50 again seems I can get 520 miles to a tank is this ok

#7 rojariggs

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Posted 18 May 2012 - 03:32 PM

Fair point, but I could argue the toss that its like UK broadband speeds with their advertising of up to 24mbps but most people average around 10-15mbps likewise most people average around say the 40-50mpg mark doing an average drive lol!

I've owned nearly 40 cars over the years and get around 85% of what manufacturers claim for combined MPG. Therefore, a car with good quoted fuel consumption (eg 60MPG) will take a bigger hit in MPG terms for the same percentage drop. For example:

Let's say that a petrol BMW does a quoted 30MPG. 85% of 30MPG is about 26MPG. Doesn't sound too bad.
No, apply the same to a diesel Fiesta quoted at 67MPG. 85% of 67MPG is about 56MPG which sounds a lot less but is broadly the same difference.

While 85% works in my case, different driving styles and driving conditions will affect this but the principle should still apply to all drivers who drive consistently. When looking at a new car or comparing your car to an older car estimate/work out the percentages and then do your comparison.

Only got 50 again seems I can get 520 miles to a tank is this ok

Doesn't sound hideous. That's about 76% of the quoted MPG. What are you trying to compare it to?

#8 Focus_IRE

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Posted 18 May 2012 - 03:38 PM

Im doing about 100 miles a day and 50% of that is urban driving and I am getting 620 mpg, mines a 1.6TDCi

#9 Mike77

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Posted 18 May 2012 - 04:01 PM

Im doing about 100 miles a day and 50% of that is urban driving and I am getting 620 mpg, mines a 1.6TDCi


You indeed have the MOST efficent focus in the WORLD then my friend lol.

#10 NorthSussex

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Posted 18 May 2012 - 04:17 PM

Im doing about 100 miles a day and 50% of that is urban driving and I am getting 620 mpg, mines a 1.6TDCi


Wow!! I want one! :D

#11 the jbib

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Posted 18 May 2012 - 08:38 PM

Im pleased with my 1.6 tdci. I get between 57-60mpg per tank

#12 Drich290195

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Posted 19 May 2012 - 02:39 PM

I was hoping for at least 55 from the diesel to be honest I do 800 miles a week and was wanting to cut my fuel bill after moving from a petrol. I suppose it's not too bad as 100 miles of the 250 one way journey is welsh a roads so maybe being a tad over optimistic.

#13 tomo2001

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Posted 19 May 2012 - 02:42 PM

Im doing about 100 miles a day and 50% of that is urban driving and I am getting 620 mpg, mines a 1.6TDCi


Wow just over 1 gallon of diesel a week - that's IMPRESSIVE !!

#14 jg321

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Posted 21 May 2012 - 06:11 PM

I drove from junction 27 to Edinburgh the other day, and back. My friend and I were splitting the diesel so we brimmed it before and then when we got back. Worked out 54 MPG. Took it steady on the way up (60-70 Mph) but did about 80 (actual, not speedo) on the way back.

Driving on those roads off the motorway to Edinburgh made me happy to have a Focus!

#15 DJ_Andy_M

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Posted 23 May 2012 - 04:26 PM

well I managed this last friday night.

I reset everything after leaving the forecort. Filled her up to just over half full.

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