fuel economy

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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DrB
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fuel economy

Post by DrB » Mon Mar 21, 2005 11:44 pm

What are peoples' average fuel economy? Does ECU modifications change them for the better or worse?
RS 6+

2001-2006 S4
2006-2012 RS6
2012-2016 ML350 CDI
2016-2018 RS6 PE
2018 - Tesla MS100D
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MartynC
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Post by MartynC » Tue Mar 22, 2005 12:27 am

Best I can manage on a run, driving like a nun 23mpg on Optimax.
Normal (IE what an RS6 is for) about 20 on a run, local 15. If you have the opertunity to use the performance fully, single figures.

Cheers, martynC
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MartynC
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Post by MartynC » Tue Mar 22, 2005 12:27 am

I wosh I could spell.
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gord
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Post by gord » Tue Mar 22, 2005 12:31 am

It's pretty much single figures all the way for me these days as i dont travel like i used to so it's all round town stuff and me driving most of the time. But hey, who's moaning? £1 a litre anyone...?!
(I wash i could spill too).
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colinc2
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Post by colinc2 » Tue Mar 22, 2005 3:46 pm

Best I can do from kent to bournemouth is about 23 too (driving with the 3 year old in the back) - that soon drops off after a blast on my own and i reckon if i get 20 over an average year that will be good .. and i will be broke but :D
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Kev.S
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Post by Kev.S » Tue Mar 22, 2005 6:55 pm

My best is 24.1 on French Autoroute at French speed limit, the worst 11.3 short distance town driving with no longer runs involved.
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DrB
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Post by DrB » Tue Mar 22, 2005 7:41 pm

How many miles is that out of a tank then?
RS 6+

2001-2006 S4
2006-2012 RS6
2012-2016 ML350 CDI
2016-2018 RS6 PE
2018 - Tesla MS100D
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MartynC
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Post by MartynC » Tue Mar 22, 2005 7:48 pm

Depends if it's full or not.
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DrB
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Post by DrB » Tue Mar 22, 2005 7:51 pm

Eh? Ha Ha.

83 litres at 24mpg = ?
RS 6+

2001-2006 S4
2006-2012 RS6
2012-2016 ML350 CDI
2016-2018 RS6 PE
2018 - Tesla MS100D
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MartynC
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Post by MartynC » Tue Mar 22, 2005 7:59 pm

You've got th PhD, you work it out!
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Kev.S
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Post by Kev.S » Wed Mar 23, 2005 7:34 pm

At risk of being totally boring- 440 miles!
However, normal average on motorways seems to be 21-22 mpg. Don't know why but it seems to like French petrol and autoroutes more than Optimax and UK motorways. Probably due to much less traffic so less stopping and starting! Found the same with my S6 too. Going to give it (and me) another treat of empty roads next week.
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