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Hi there guys any advice on supermarket diesel. I am aware that its a wee bit cheaper but is it any good . My mate says he uses only shell or bp diesel. My caris a very modern ( for me) a 53 plate golf 1.9 pd tdi with 43,000 miles on it . A bought it from my boss .very cheap and meant to be very reliable . So which diesel is best for my golf. Thanks and sorry if its a stupid question . Don,t slaughter me :-)
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I've personally noticed shell gives me better mpg. It's also cheaper for a reason at a supermarket. Experiment see which one gives you better mpg ? You'll notice shell though a little more pays dividends
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grumpy
Part of things
Posts: 557
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Mar 14, 2014 10:30:35 GMT
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I wouldnt know about supermarket diesel , but if its the same as supermarket petrol , i don't rate it . My modern daily driver actually pinks [ pre ignition ] on cheap petrol and has less power and runs rougher , despite being a non performance model . I tried a octane booster and it went away . I now fill it up with shell optimax . It costs more but it runs much better , has more power and id nicedr to drive . Yes it costs more but i get much better mpg [ I'm guessing 40 miles more or something ] so i think it works out about the same , plus its nicer to drive .
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Gem
East Midlands
Posts: 1,328 
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Mar 14, 2014 11:08:02 GMT
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99% of the time I use Shell diesel and get reasonably good mpg
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hkr91
South East
Posts: 559
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Mar 14, 2014 12:28:37 GMT
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Only run shell petrol in my classics (was told many moons ago about ethanol not being healthy for classic cars which supposedly what they put in supermarket petrol - correct me if I am wrong) but for my daily diesel I'm doing mega miles so I just throw in what's cheap when I'm local.
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MonzaPhil
Posted a lot
Think like a man of action, act like a man of thought
Posts: 2,454
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Mar 16, 2014 10:40:27 GMT
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In my recent experience, I wouldn't put special offer supermarket fuel in a modern diesel, obviously thousands of people do... The supermarket diesel that caused our problems evaporated without leaving any residue overnight, it didn't feel or smell like diesel and refilling with Shell diesel resulted in immediate start and no problems on one car (chrysler grand voyager) but the Hyundai thingy needed injectors, injection pump, tank pump etc as all the seals were destroyed.
Sent from my HTC Desire C using proboards
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This is now a clicky linky!  |
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Mar 16, 2014 21:49:51 GMT
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i do 40000 miles a year in my van and have tried different fuels for a month at a time and concluded that supermarket fuel gives less mpgs than bp,shell ect but when considered the price increase of shell ect compared to the extra mpg this brings it worked out to cost curse word all diffrence to travel the miles using the better quality fuel. so in conclusion i fill up with better quality fuel as the increased mpgs out way the saving of supermarket fuel and my van runs much better on proper fuel.
This experiment used no scientific equipment, just 1000s of miles real driving using one type of fuel for a month at a time and the results examined purely on cost devided by mileage over each of the months.
so in a word you may as well pay the extra and use proper petrol stations as in the long run it doesnt actually cost any more.
you really do get what you pay for
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fred
Posted a lot
WTF has happened to all the Vennies?
Posts: 2,957
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Not had a diesel but found Shell petrol has just that better Ooomph than the supermarket stuff
like to know if its in my imagination, or do supermarket brands have more ethanol etc in them
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'79 Cossie ran Cortina - Sold
2000 Fozzer 2.0 turbo snow beast
'85 Opel Manta GSI - Sold
03 A class Mercedes
Looking for a FD Ventora - Anyone?
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I had trouble starting my old Rover 200 Diesel in the winter and put it down to old glow plugs, it was also very sluggish, but it had done over 200K miles so I put it down to that. Anyway Tesco had trouble with the diesel at some point so I filled up at BP instead and it was like the car had a new lease of life more performance, better starting and better MPG. I only buy supermarket fuel now if I am desperate or if they have the 5p off a liter offer going on  . My Leon doesn't seem to be any different what ever fuel it has in it |
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bl1300
Posted a lot
Posts: 1,678
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All my cars bar one run noticeably better on fuel from branded or independent petrol stations. I don't often put supermarket fuel in as its about 25miles to the nearest one that has a petrol station but have noticed increased lethargy in the diesels. The triumph used to overheat and pink when running on supermarket curse word but was fine when using decent super unleaded but on the other hand the DAF really didn't seem to care, but that was designed to run on 2 star fuel.
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Current fleet.
1967 DAF 44
1974 VW Beetle 1303s
1975 Triumph Spitfire MkIV
1988 VW LT45 Beavertail
1998 Volvo V70 2.5
1959 Fordson Dexta
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taurus
Posted a lot
Posts: 1,084
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Mar 17, 2014 16:28:49 GMT
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When a tanker fills up at a refinery it has 7 cells in the trailer. They all get the same fuel. Two cells might go to a Shell Garage, two to an Esso Garage, one to Asda, and the final two to Tesco. It's all the same fuel.
The only difference is each cell gets different additives for each brand of fuel - that's the only difference between supermarket fuels and branded fuels. Sure the additives in the branded fuels have slightly better detergents or anti-knock additives, but that is the only difference.
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grumpy
Part of things
Posts: 557
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Mar 17, 2014 18:01:32 GMT
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Well whatever comes out of the pumps is either poorer or better then , same difference really but didnt know that , thanks .
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VIP
South East
Posts: 8,293
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Mar 19, 2014 13:37:45 GMT
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Do folks really think Sainsbury's and Tesco have their own fuel refineries?
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MonzaPhil
Posted a lot
Think like a man of action, act like a man of thought
Posts: 2,454
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Mar 19, 2014 14:58:37 GMT
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No, they just add a load of junk to the fuel.
Sent from a secret fuel refinery using proboards
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This is now a clicky linky! |
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grumpy
Part of things
Posts: 557
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Mar 19, 2014 18:13:37 GMT
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Do folks really think Sainsbury's and Tesco have their own fuel refineries? Thats not helpful . I don't think anyone gave that impression , just that some fuel although advertised as the same is different . |
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MrSpeedy
East Midlands
www.vintagediesels.co.uk
Posts: 4,786 
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Mar 19, 2014 18:34:00 GMT
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Not had a diesel but found Shell petrol has just that better Ooomph than the supermarket stuff like to know if its in my imagination, or do supermarket brands have more ethanol etc in them I only put Shell VPower in the Vitesse. It loves the stuff. Runs far better on that than normal stuff, although it is set up for it. The Benz gets Morrisons. Tried it on Vpower, and noticed no difference at all. The 400e (Ford 1.8 XLDT) gets whatever is nearest to where I am when I need it. Again, no noticeable difference between any of them |
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Mar 20, 2014 20:28:35 GMT
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Do folks really think Sainsbury's and Tesco have their own fuel refineries? I know of someone who thought so .....  |
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Mar 21, 2014 14:17:05 GMT
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Do folks really think Sainsbury's and Tesco have their own fuel refineries? I know of someone who thought so ..... it's only a matter of time |
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ianmk2
Part of things
Posts: 116
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Mar 21, 2014 19:27:24 GMT
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Company car so just chuck in whatever is closest by at the time I need it. It's had all sorts and never noticed one iota of difference between any of them.
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Mar 24, 2014 17:58:59 GMT
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I have a Bora 130 pd as a daily and find that it's a lot better on proper diesel from a proper petrol station. It's sounds noisier and rough on super market diesel. I know it's cheaper but it's cheap for a reason. My Frontera runs on any old curse word and I don't notice the difference. I just think modern diesels need perfect diesel. I don't think you need the super diesel although it is better,it's not worth the extra cost.
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. My Leon doesn't seem to be any different what ever fuel it has in it
