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Old 04-01-10, 07:40 AM   #1
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Default Fuel Economy?

I was just wondering what fuel economy you guys are managing with their 308's?

I've currently got a 1.6HDI FAP Sport and it's getting 49.5mpg according to the computer. What you guys getting?
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Old 04-01-10, 10:13 AM   #2
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About 52MPG overall in all round mixed daily motoring on my 1.6HDi 110 Sport 5 door.

Mines now on Avons instead of the original Continentals (Contis good, but bloody expensive - they're not that good!), runs a K & N panel filter and 5w/30 low ash synthtic oil.

It's mainly driven by the missus who is a dibble response and pursuit driver, so she knows how to drive it properly, which helps.
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Old 04-01-10, 07:56 PM   #3
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I'm getting about 48mpg at the moment but most is school run stuff with the occasional long run !!! SW SE 1.6HDi 110 loads better than my Zafira 1.9CDti 150 which did about 37MPG !!!
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Old 30-03-10, 08:28 PM   #4
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I have done 4000 miles so far in my 308 HDI 110 Sport and averaging 49.5mpg according to the computer, mainly commuting (lots of start-stop traffic) and a few drips down the A1.

When I only do trips around town, I get 42-43mpg. On a motorway journey I'm getting 62-65mpg, depending on how reasonably I'm driving.

Must say it's disappointing when you read about people getting 90+mpg but still not bad for a large, sporty looking car

Last edited by COMA; 31-03-10 at 06:50 PM.
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Old 31-03-10, 07:48 AM   #5
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Anyone claims they're getting 90+ MPG out of one of these in *normal motoring* is talking out their bottoms. The 308 110 HDi holds the world public road fuel consumption record, and being driven for. Week in uber-granny mode failed to do much more than 90.

Your figures are about par for a normal geezer driving the worlds officially (as in ratified by Guinness) most economical real world car. ( As opposed to bullpois bench-test government figures).

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Old 23-05-10, 07:12 PM   #6
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I've just got 612 miles out of a full tank of diesel in my 308 HDI Sport before the warning light came on. This is doing a mixture of motorway and around town driving, according to the computer Im averaging 52 mpg, I agree 90+ mpg is totally misleading.

Dave O
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Old 23-05-10, 08:02 PM   #7
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Peugeot don't claim 90MPG, so they're not misleading anyone. I get a rock solid 52/53 MPG combined out of mine, but going to my Dads in Kent, 120 miles, 115 of which are motorway, returns a high 70's average if I stick religiously in the 60-65 speed range, which isn't difficult if the traffic is heavy but moving well. Pug claim 74MPG on the extra urban cycle, so that's pretty nmuch on target.

Remember - that's *** Extra Urban ***, not combined, so you won't see that figure in your daily motoring. Pugs advertised figures for the 308 are, for a change, refreshingly accurate.

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Old 31-05-10, 11:46 AM   #8
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Our 1.6 THP has averaged 7.0 litres per 100 km over 53,000 km according to the trip computer (that's 40.5 mpg to the Imperialists).

I note though that the speedo is 5% optimistic - if this translates to the odometer, then that would be 38.5 mpg.

Quite happy with that, noting though that we pay a premium for 95 and 98 RON over here, compared with 91 RON regular unleaded (about an additional 6% and 11% respectively). I normally use 98 as it has a higher energy density than 91 and 95 (which are equivalent, although Australia is gradually replacing regular 91 RON with E10, which has even lower energy density)
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Old 31-05-10, 01:31 PM   #9
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98 RON contains no more energy than, say, 95 or 93. The calorific value, the amount of energy per unit of fuel is identical.

However, 98 RON will have a greater resistance to pre-ignition than a lower grade. Therefore, it is possible to compress the charge more, ie, run a higher compression ratio. Running a higher compression ratio is inherently more efficient, and creates more power, and although a higher octane allows the fuels energy to be extracted more efficiently, it actually contains no more energy than a lower grade.

I'm very anal about fuels, having written a lengthy dissertation about rocket fuels for my Masters.

PS - that is indeed a very respectable MPG for a THP.
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Old 01-06-10, 11:07 AM   #10
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Hah - I'm a victim of advertising yet again! I recall looking into this some time ago and major producers in Australia (eg Shell and BP) claimed higher density for their 98 RON product.

I see that this claim has now been dropped from their web sites, although they do claim better economy and performance for them (better combustion and reduced friction). Eg:
w w w.bp.com/sectiongenericarticle.do?categoryId=9015032&conten tId=7028158

References to higher density can still be found in some of their search engine results, but clicking on resultant links reveals no text to this effect. One that might have slipped through is the 'Is It Right For My Bike' tab at:
w w w.shell.com.au/home/content/aus/products_services/on_the_road/fuels/shell_vpower/overview/
(third last paragraph)
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