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big_D
What's a life?
Joined: Thu Apr 23, 2009 8:25 pm
Posts: 10691
Location: Bramsche
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It is obvious, that a larger engine is going to have a smaller difference. If you have a small Twingo with the manufacturer claiming 4,1L/100KM and it actually does 5,5L/100KM, that is a much bigger difference than a Porsche Cayenne at 12L/100KM getting 13,5L/100KM. (Figures just pulled out of the air, I'm not sure what the real figures are.) I do remember the Twingo got a real beating from ADAC back at the beginning of the year. The VW Up! was about 20% inaccurate, whilst the Twingo was somewhere around 40% IIRC.
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Executive Producer No Agenda Show 246
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| Fri Sep 25, 2015 4:04 am |
 
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pcernie
Legend
Joined: Sun Apr 26, 2009 12:30 pm
Posts: 45931
Location: Belfast
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VW scandal: Company warned over test cheating years ago - BBC News http://www.bbc.co.uk/news/business-34373637As ever, then. _________________Plain English advice on everything money, purchase and service related:
http://www.moneysavingexpert.com/
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| Sun Sep 27, 2015 2:09 pm |
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paulzolo
What's a life?
Joined: Thu Apr 23, 2009 6:27 pm
Posts: 12251
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Predictably, it also seems to affect Audi, Skoda and Seat. They probably just toss out disc images to write into the ECUs for each subsidiary.
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| Mon Sep 28, 2015 7:54 pm |
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l3v1ck
What's a life?
Joined: Fri Apr 24, 2009 10:21 am
Posts: 12700
Location: The Right Side of the Pennines (metaphorically & geographically)
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I'm not talking about percentages, I'm talking about actual mpg.
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| Tue Sep 29, 2015 7:05 am |
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rustybucket
I haven't seen my friends in so long
Joined: Thu Jun 18, 2009 5:10 pm
Posts: 5836
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I would think that's due to relative heat loss being less as cylinder size increases. _________________Jim
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| Tue Sep 29, 2015 10:42 am |
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veato
I haven't seen my friends in so long
Joined: Fri Apr 24, 2009 7:17 am
Posts: 5550
Location: Nottingham
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I think it's fairly common knowledge that MPG figures are crap. They don't reflect real life driving and some tricks are employed to get a better result like over inflating tyres. These figures come from independent labs though and not manufacturers at least. I read a Top Gear piece recently on MPG figures - I'll see if I can dig it out.
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| Tue Sep 29, 2015 10:45 am |
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big_D
What's a life?
Joined: Thu Apr 23, 2009 8:25 pm
Posts: 10691
Location: Bramsche
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The tests are run by independent bodies, but they have a set script, which says how hard they accelerate, for how long, how hard they brake, how long they cruise, how long they remain stationary etc. and that is usually done on a rolling road. That is what the cars check for and go into "super eco" mode.
_________________
"Do you know what this is? Hmm? No, I can see you do not. You have that vacant look in your eyes, which says hold my head to your ear, you will hear the sea!" - Londo Molari
Executive Producer No Agenda Show 246
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| Tue Sep 29, 2015 12:17 pm |
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veato
I haven't seen my friends in so long
Joined: Fri Apr 24, 2009 7:17 am
Posts: 5550
Location: Nottingham
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| Tue Sep 29, 2015 1:03 pm |
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pcernie
Legend
Joined: Sun Apr 26, 2009 12:30 pm
Posts: 45931
Location: Belfast
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VW owners can expect recall information this week | Business | The Guardian http://www.theguardian.com/business/201 ... -this-week'I bought this off Ronnie Pickering but that doesn't mean I'm not concerned about the environment, give me a new car!' _________________Plain English advice on everything money, purchase and service related:
http://www.moneysavingexpert.com/
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| Tue Sep 29, 2015 10:02 pm |
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davrosG5
I haven't seen my friends in so long
Joined: Fri Apr 24, 2009 6:37 am
Posts: 6954
Location: Peebo
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_________________
When they put teeth in your mouth, they spoiled a perfectly good bum.
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| Wed Sep 30, 2015 9:00 am |
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pcernie
Legend
Joined: Sun Apr 26, 2009 12:30 pm
Posts: 45931
Location: Belfast
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_________________Plain English advice on everything money, purchase and service related:
http://www.moneysavingexpert.com/
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| Wed Sep 30, 2015 12:20 pm |
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pcernie
Legend
Joined: Sun Apr 26, 2009 12:30 pm
Posts: 45931
Location: Belfast
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VW suspends 4,000 vehicles from sale in UK | Business | The Guardian http://www.theguardian.com/business/201 ... es-sale-uk_________________Plain English advice on everything money, purchase and service related:
http://www.moneysavingexpert.com/
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| Thu Oct 01, 2015 6:35 pm |
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