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• Fuel prices 7 Apr 2007 (Forum)
  Don't know what fuel prices are like around your area, but those at my local supermarket have gone up 7p/ltr (31.5p/gallon in old money) in the last seven days. Just doesn't seem to be any reason for it, apart from greed!
• Fuel consumption 28 Oct 2003 (Forum)
  On the subject of fuel consumption, I normally use Shell products either Optimax or unleaded and on balance I get 45 MPG. for the last two weeks I have been using petrol from a local supermarket and driving in the same conditions the MPG was only 41.
• Supermarket petrol, is it rubbish? [Read Only] 3 Jan 2010 (Forum)
  I have heard a great many folk who stay far away from supermarket petrol because they believe it is nowhere near as good as Shell or BP, etc. What do you guys think? Would I get better MPG with non-supermarket fuel? I've had my car from new and 99% of the time it gets filled up at Sainsbury's or Morrisons.
• Mercedes - CDI diesels - do 'branded' fuels give better mpg? 30 Jan 2013 (Forum)
  Shorlty getting a C Class CDI220 (2006) and been advised to use 'branded' fuels such as Shell, and not to use supermarket fuels as they give lower mpg and sometimes poorer performance. Has anybody else experienced this?
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  Is Shell fuel really that much better than supermarket fuel? 9 Apr 2018 (Ask HJ)
  I've always used Shell V Plus diesel in my Range Rover TDV8, with 160,000 miles on it. My neighbour said it was a waste of money, so I switched to Asda...
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  I can endorse your recommendation for Shell V-Power fuel. 22 Sep 2012 (Ask HJ)
  I usually put manufacturers' advertising claims down to empty rhetoric designed to do little other than shift a possibly indifferent product. As a user...
• Shell vs supermarket 27 Nov 2002 (Forum)
  I don't intend to cause regurgitation of a lot of ill-informed arguments, but I think an observation of mine is worth sharing. Recently I have been attempting...
• petrol - a difference? 3 Sep 2003 (Forum)
  That car always ran brilliantly EXCEPT the one time I was in a hurry and filled it at a supermarket forecourt , when it didn\'t exactly misfire but didn\'t feel at all \'happy\' until it went back onto Esso. But during the many times we took it to France we always filled it with 98 or 95 supermarket unleaded (there\'s a big difference in fuel prices between garages and supermarkets over here) and it never missed a beat.
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  The injector in my Mazda 3 has failed - is this due to using supermarket fuel? 21 Aug 2017 (Ask HJ)
  Whilst driving along, my 2012 Mazda 3 1.6d (39,000 miles) suddenly juddered and went into limp mode. I cautiously negotiated to the hard shoulder with...
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  Car damaged due to contaminated fuel - who's to blame? 21 Oct 2013 (Ask HJ)
  I purchased a two year old 19,000 mile car from a large car supermarket three weeks ago. I collected the car and drove it the 50 miles to my home. Within...
• water in the fuel pump 19 Dec 2005 (Forum)
  a friend of mine told me his brother had water in his fuel filter on his car. the dealer told him sometimes you can fill up at supermarkets and have this problem he filled up at tesco. do they use the cheapest petrol around and dont check there tanks for water.
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  Using premium fuel in my Volkswagen Passat has improved fuel economy and burns more cleanly. 10 Jun 2010 (Ask HJ)
  For a while I had been sceptical about the benefits of using higher quality fuel opposed to cheaper supermarket grades. Now that I have been using Shell...
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  Is there a benefit from alternating V power and FuelSave Diesel whilst saving on fuel costs? 25 Jan 2014 (Ask HJ)
  As an alternative to Supermarket Diesel whilst attempting to keep fuels costs down, will I get some benefits from alternating Shell V Power with Shell...
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  What evidence do you use to recommend premium fuels? 13 Oct 2012 (Ask HJ)
  What evidence enables you to recommend certain fuels to your readers who are worried about supermarket fuels?
• Any - Fuel prices 30 Aug 2023 (Forum)
  It’s being blamed in distribution issues caused by the Russian invasion of Ukraine, despite the fact that we haven’t imported any from Russia this year. And supermarkets holding onto a greater margin on fuel sales. But we have bought 6.2 million barrels of jet fuel from India, which came from Russia…
• Fuel consumption - super unleaded 27 Aug 2004 (Forum)
  Morning, This may be a very stupid question but is there any difference in fuel consumption between super unleaded and regular unleaded? When the company paid for petrol I used super (and noticed a discernible improvement in performance) but now I'm paying for it myself I'm using the cheapest (non supermarket) stuff.
• Ford Mondeo - Diesel additives 3 Jun 2017 (Forum)
    The handbook recommends performance grade diesel, however as I live in rural France I only have regular access to supermarket fuel. Is it Ok to use additives with this fuel to compensate.
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  Could supermarket fuel have burned my valves out? 28 Aug 2010 (Ask HJ)
  I have had problems with misfiring, loss of power, and red engine management lights coming on on two cars which where filled with unleaded petrol at a...
• Petrol Stations 6 Jan 2008 (Forum)
  Usually with one till open. If the petrol companies must make more millions from groceries, then have a seperate till for fuel payers only. As for the supermarket stations. They are usually next to a wacking great supermarket for heavens sake, do you really need to sell shopping in these petrol stations. All I can think of is that they are catering for the lazy elements of society, who wont walk the length of their own backside to do the decent thing.
• Any - Costco Fuel 29 Sep 2019 (Forum)
  Not wanting to start another supermarket vs branded fuel debate, but I’ve just fuelled up at Costco for 123.7 per litre for their Premium Diesel. I’ve no idea if there is a legal definition of what is premium so far as fuel is concerned, but it’s still 4p per litre cheaper than my regular Tesco diesel.