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d3matt
Member Since: 03 Aug 2005
Location: South Oxfordshire
Posts: 1485
  
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A few days ago I went to fill up on an M6 service station and they had run out of normal diesel (caused queues and big delays!!). So I had to fill up with BP Ultimate diesel. During the long motorway drive home, I got 29mpg with the cruise control on at 79mph. My mph is exact, as my Talex gps shows the speed.
Yesterday I had to fill up again and I used normal diesel. Then again on the long motorway drive home, I did the same test (for 2 hours of driving) and with the cruise control on at 79mph I was only getting 23mph.
Maybe I got a bad tank of diesel as 23mph was unusual for the style of driving. Or maybe the engine was adjusting to the difference in fuel (a full tank of £75 worth in each case). Or maybe it shows that BT Ultimate does work.
Has anyone else found this? If Ultimate is this good, then it is probably worth the extra money. I'm doing a lot of driving this week, so I'll monitor it. I'll try another tank of normal diesel and then try a tank of Ultimate again to see if I notice the difference again.
PS. My car is now only 5 weeks old and done 3,600 miles already! I ended up sleeping in it last night at two different service stations down the M1. My god there is a lot of traffic on the M1 at 4.30am. It was bright and sunny and just as busy as if it was 10am! Matt
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 31st May 2006 8:36 am |
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simon
Member Since: 11 Jan 2005
Location: Shropshire
Posts: 18296
 
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I find I also get a better range on BP Ultimate too... BUT...
Esso Energy gives me near identical benefits and costs the same as regular diesel.
-s
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| 31st May 2006 8:46 am |
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BCP
Member Since: 25 May 2005
Location: East Scotland
Posts: 1464
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Experimenting at present with BP ultimate and a set of Cooper STs. 29.1mpg with mixed driving and a light right foot. Should be better when I get round to putting the scorpions back on.
BP
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| 31st May 2006 10:10 am |
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Ocsid
Member Since: 29 Nov 2005
Location: Hampshire
Posts: 255
 
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I have tried to do some constructive comparisions between my normal Shell and BP Ultimate diesel. I am not convinced it is any better in MPG or refinement with the Disco3 HSE [Auto]. I do a high % towing a large caravan so have not been able to compare over multiple tankfulls, the only realway, its effect on solo performance.
However in my wifes Golf PD 150bhp GTI, its startling. Mainly in the refinement it gives the engine at lower rpms; it gives that vehicle a 5mpg benefit. The vehicle is so relatively frugal that it is worth the extra cost in refinement alone.
In the Disco3 I am 4 tank fulls into evaluating Shell with Millers Diesel Plus. Initial thoughts are this is marginally better. Costwise its about half the premium paid for BP Ultimate.
Off on 2000 miles of towing plus 750 ish solo during June so will be able to compare with last year when I was not using an addative. However this will be with a mix of various French diesel fuels, not Shell alone.
Over the 10262 miles its retured 21.97 mpg,
Towing accounts for 4144 miles with associated 19.53mpg.
This gives a solo return of 24.07mpg.
However all the solo running tends to be associated with the caravanning, so it is bumbling around exploreing locations, a bit like city driving. I simply dont get any good sustained solo long distance runs.
Have to say I am a touch disappointed with the returns but feel much is down to the Autos fluid coupling. However with it the HSE makes a great towcar.
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| 31st May 2006 4:39 pm |
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PIP
Member Since: 19 Jul 2005
Location: Tetbury, Glos.
Posts: 135
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Sorry but I'm still not a fully grown up member of the D3 club but I have been testing the BP ultimate for the last 5,000 mls.
Jeep Cherokee 2.8 Man.
Supermarket diesel was my usual fuel and that averaged 27.6 mls to the gal. over 2700 mls. I then started useing B.P Ultimate. Over the last 2560 mls the average has risen to 31.7.
Even allowing for the rise in air temp over the last few weeks I don't think that's bad considering the large amount of U.S pig iron under the bonnet.
Distinct lack of early start-up smoke as well.
Got to say the D3 still looks a bl...dy great motor...........perhaps one day soon. Tetbury,
Where antique dealers breed like rabbits.
D3 one day soon.
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| 31st May 2006 9:48 pm |
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gilmore
Member Since: 16 Jan 2005
Location: On the sofa
Posts: 2185
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I'm not sure how much you guys are paying for each fuel, so does the increase in mpg offset the higher price if BP Ultimate?
regs
rob
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| 31st May 2006 10:27 pm |
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PIP
Member Since: 19 Jul 2005
Location: Tetbury, Glos.
Posts: 135
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Supermarket = .979
B.P. Ultimate = 1.015
I must addmit that the engine does sound a lot quieter/smoother. Less of the diesel rattle with BP. Bearing in mind I have 2 less cylinders than you guys. Tetbury,
Where antique dealers breed like rabbits.
D3 one day soon.
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| 31st May 2006 11:04 pm |
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blue meanie
D3 Decade
Member Since: 04 Aug 2005
Location: Newbury
Posts: 6861
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I've tried the USABP ultimate on several occasions and I can realate no real world difference in mpg or perf so in my ops it's just a marketing ploy. but this doesn't mean that maybe in different vehicles it might add to these maybe? and theeeeennn......???
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| 31st May 2006 11:11 pm |
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d3matt
Member Since: 03 Aug 2005
Location: South Oxfordshire
Posts: 1485
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Ocsid wrote:Over the 10262 miles its retured 21.97 mpg,
Towing accounts for 4144 miles with associated 19.53mpg.
This gives a solo return of 24.07mpg.
Can you be more precise next time?  Matt
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| 2nd Jun 2006 12:24 am |
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SuperMan
Member Since: 17 Jun 2006
Location: Surrey
Posts: 113
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I use BP Ultimate have done since the first day of ownership in any of our cars whether it's a diesel or a petrol car.
well worth the extra ppl.
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| 17th Jun 2006 10:13 pm |
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