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Author Premium Diesel - Any real benefit ?
Neo
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Registered: 20th Feb 07
Location: Essex
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9th Dec 17 at 10:37   View User's Profile U2U Member Reply With Quote
Is there actually any benefit in using shell premium diesel ? Or is it just snake oil ?
Ian
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Registered: 28th Aug 99
Location: Liverpool
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9th Dec 17 at 14:19   View Garage View User's Profile U2U Member Reply With Quote
Don't know but that BP advert where that smug voiceover guy is like 'ooooh you're dragging an anchor behind you' can utterly do one, at best exaggeration at worst a complete lie.
Neo
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Registered: 20th Feb 07
Location: Essex
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9th Dec 17 at 16:12   View User's Profile U2U Member Reply With Quote
Yeah does my head in too. I can't believe it actually makes massive (if any) difference in terms of fuel economy or power, I'm really only interested in using it if it actually helps with longevity of the engine/turbos/stops soot etc etc
VegasPhil
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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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9th Dec 17 at 22:08   View Garage View User's Profile U2U Member Reply With Quote
I can't tell any difference. Had used it in my vrs then switched back to normal shell diesel.




Corsa 2.0 16v Vegas - Sold
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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10th Dec 17 at 15:38   View User's Profile U2U Member Reply With Quote
If anything, higher calorific value and more cetanes.
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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11th Dec 17 at 10:08   View User's Profile U2U Member Reply With Quote
The actual 'fuel' content of diesel and petrol is very tightly controlled and regulated so the 'special' fuels simply contain additives (detergent octane/cetane boosters and lubricants).. The scientific evidence to backup the benefits of these fuels is pretty weak.
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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11th Dec 17 at 14:37   View Garage View User's Profile U2U Member Reply With Quote
I get 550 average from standard diesel and 570 average from premium

so not a massive difference
Ian
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Registered: 28th Aug 99
Location: Liverpool
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11th Dec 17 at 17:28   View Garage View User's Profile U2U Member Reply With Quote
You probably filled up 20 miles sooner on the standard stuff, not a good test at all.
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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12th Dec 17 at 07:49   View Garage View User's Profile U2U Member Reply With Quote
from 0 to 0
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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12th Dec 17 at 08:59   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by IvIarkgraham
I get 550 average from standard diesel and 570 average from premium

so not a massive difference


That's a 3% change which could easily be down to driving styles, traffic or even just weather differences.
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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14th Dec 17 at 10:00   View Garage View User's Profile U2U Member Reply With Quote
it could be

it could also be down to the fuel
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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14th Dec 17 at 10:27   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by IvIarkgraham
it could be

it could also be down to the fuel


Its well known that 'premium' fuels are a profit margin increasing gimmick..

Much like people who buy Himalayan Salt lamps and swear blind they actually improve their health, its a load of old tripe
Tiger
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Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
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14th Dec 17 at 16:36   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by DaveyLC
quote:
Originally posted by IvIarkgraham
it could be

it could also be down to the fuel



Much like people who buy Himalayan Salt lamps and swear blind they actually improve their health


They do, don’t they?

[Edited on 14-12-2017 by Tiger]
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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15th Dec 17 at 08:05   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by DaveyLC
quote:
Originally posted by IvIarkgraham
it could be

it could also be down to the fuel


Its well known that 'premium' fuels are a profit margin increasing gimmick..

Much like people who buy Himalayan Salt lamps and swear blind they actually improve their health, its a load of old tripe


well all I can tell you is I used to get 550 max now I'm getting 570
I only use 'premium diesel' because that is what Costco sells

believe what you want. I only threw in my 2 pence
Andrew
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Registered: 5th May 04
Location: Skoda Octavia Estate, Ford Puma
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17th Dec 17 at 14:07   View User's Profile U2U Member Reply With Quote
I just use Esso standard diesel in mine.
It's local and I get Tesco points

Unless the car run like a bag of shite, I don't see the point with amount of traffic we have on our roads.
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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18th Dec 17 at 09:19   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by IvIarkgraham
quote:
Originally posted by DaveyLC
quote:
Originally posted by IvIarkgraham
it could be

it could also be down to the fuel


Its well known that 'premium' fuels are a profit margin increasing gimmick..

Much like people who buy Himalayan Salt lamps and swear blind they actually improve their health, its a load of old tripe


well all I can tell you is I used to get 550 max now I'm getting 570
I only use 'premium diesel' because that is what Costco sells

believe what you want. I only threw in my 2 pence


The average prices for diesel (right now) are:

Regular 123.2
Premium 136.5

That's a 9.8% increase in price to get your 3.5% increase in efficiency.. Do you even Maths?
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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21st Dec 17 at 00:23   View Garage View User's Profile U2U Member Reply With Quote
do you even read you fucking moron?

costco only sell premium. their premium is as cheap if not cheaper than regular elsewhere
DaveyLC
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Registered: 8th Oct 08
Location: Berkshire
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21st Dec 17 at 11:13   View User's Profile U2U Member Reply With Quote
It needs to be about 8p/litre cheaper to make a difference with your 'mileage improvements'
IvIarkgraham
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Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
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21st Dec 17 at 23:31   View Garage View User's Profile U2U Member Reply With Quote
is 11p ok for you?
MTB scotland
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Registered: 17th Jun 17
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2nd Jan 18 at 09:40   View User's Profile U2U Member Reply With Quote
premium diesel only helps to clean dirty engines. The small increase in cetane rating wont do anything significant.

 
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