Supermarket fuel V's Petrol station fuel.
Discussion
I know this has been mentioned before but is there anyone on here that as done a proper comparison. About 6 months ago I filled up with ESSO unleaded from a petrol station, drove careful and got 48.7mpg out of my Toyota Pasio (60-65mph).
Today I went from empty to full with Tesco super unleaded, did 133 miles and then put 13.91 ltrs of BP ultimate in, I get that to 43.4mpg, so I paid 7% more and got 10% worse, I now have to use most of this up before I test a full tank of petrol station super unleaded.
Am I wasting my time, has anyone else done a proper comparison with these fuels.
Today I went from empty to full with Tesco super unleaded, did 133 miles and then put 13.91 ltrs of BP ultimate in, I get that to 43.4mpg, so I paid 7% more and got 10% worse, I now have to use most of this up before I test a full tank of petrol station super unleaded.
Am I wasting my time, has anyone else done a proper comparison with these fuels.
not really but heard soo many bad things about supermarket fuels unless i am about to run out I always turn to fill up either at a local BP, Shell etc...
my grandfather filled up at a local well known supermarket a few years ago and get Unleaded when it said Diesel fuel. and not a mistake on his part. and not bloody funny at the time
my grandfather filled up at a local well known supermarket a few years ago and get Unleaded when it said Diesel fuel. and not a mistake on his part. and not bloody funny at the time
Haven't done a proper comparison, but in the Saab (diesel) I get just over 40mpg - I started to notice that the range on branded fuel is about 500 miles, and on supermarket diesel, about 460-470.
In the last few weeks I've used two consecutive full tanks of supermarket fuel and you can see the trip computer drop - then two full tanks of branded fuel and it goes up again.
I'm also sure that the branded fuel makes the car run better.
Of course this might all be imagination...
In the last few weeks I've used two consecutive full tanks of supermarket fuel and you can see the trip computer drop - then two full tanks of branded fuel and it goes up again.
I'm also sure that the branded fuel makes the car run better.
Of course this might all be imagination...
The most extensive back to back test I have seen was published on our very own PH a few montsh back:
www.pistonheads.com/news/default.asp?storyId=14919
and showed Tesco 99 to be the best.
Remember that there are other things to take into account in doing your own comparison. Petrol has a higher calorific value per gallon at cold temperatures for example. Also, petrol engines produce slightly more power in damp conditions.
www.pistonheads.com/news/default.asp?storyId=14919
and showed Tesco 99 to be the best.
Remember that there are other things to take into account in doing your own comparison. Petrol has a higher calorific value per gallon at cold temperatures for example. Also, petrol engines produce slightly more power in damp conditions.
If you think the supermarkets have their own refining and distribution channels then you are very much mistaken. The stuff the supermarkets sell is the same as the what you buy at branded oil companies pumps.
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
I think you know when you are driving economically, when I got 48.7 I felt that I could have got over 50, today I thought I had definitely got over 50, but don't forget I put super in so something made a difference.
The car is only worth £1500, may be the engine is past its prime, where is that Autotrader mag?.
The car is only worth £1500, may be the engine is past its prime, where is that Autotrader mag?.
I've typically run mine on diesel from either BP or Shell, the fuel tends to be the same price round here no matter where you go. I did try BP Ultimate diesel once, tank range dropped by over 100 miles with the same driving.
I usually only fill up from Tesco if i have a 5p/litre off voucher, otherwise its branded filling stations.
Though changing from 16 to 18 inch wheels has dropped the range and average fuel economy so much i can't tell the difference between different fuels anymore
I usually only fill up from Tesco if i have a 5p/litre off voucher, otherwise its branded filling stations.
Though changing from 16 to 18 inch wheels has dropped the range and average fuel economy so much i can't tell the difference between different fuels anymore
My Mondeo (and the Octavia before it) hated Shell fuel - regular, Optimax (for the Skoda) and V-Power (for the Mondeo). I just can't explain it.
Both cars love BP regular, and the Skud would be even happier on Ultimate. It doesn't make a difference in the Mondeo though.
I've tried various supermarket fuels, and found my cars ran even worse than on Shell stuff. Fortunately there's a BP garage 5 minutes down the road, and it's the cheapest in the area too (83.9/litre)
Both cars love BP regular, and the Skud would be even happier on Ultimate. It doesn't make a difference in the Mondeo though.
I've tried various supermarket fuels, and found my cars ran even worse than on Shell stuff. Fortunately there's a BP garage 5 minutes down the road, and it's the cheapest in the area too (83.9/litre)
danhay said:
If you think the supermarkets have their own refining and distribution channels then you are very much mistaken. The stuff the supermarkets sell is the same as the what you buy at branded oil companies pumps.
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
When I worked at a Tesco PFS we were told (though I never checked) that only the biggies had their own refineries, Esso, shell, etc, all others came from shared refineries. One differencewas that Tesco (at the time at least) used to get the additives added on the tanker to mix in there rather than at the refinery.
Still, my Rover plinked on it so after selling the stuff I would fill up across the road as Esso.
Running a Focus TDCi I don't mind where I fill up (until someone later in this thread has some facts that change my mind

grayme said:
danhay said:
If you think the supermarkets have their own refining and distribution channels then you are very much mistaken. The stuff the supermarkets sell is the same as the what you buy at branded oil companies pumps.
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
However, that doesn't mean that all fuels are the same.
It would be good to find out what goes into whose pumps?
When I worked at a Tesco PFS we were told (though I never checked) that only the biggies had their own refineries, Esso, shell, etc, all others came from shared refineries. One differencewas that Tesco (at the time at least) used to get the additives added on the tanker to mix in there rather than at the refinery.
Still, my Rover plinked on it so after selling the stuff I would fill up across the road as Esso.
Running a Focus TDCi I don't mind where I fill up (until someone later in this thread has some facts that change my mind

As you rightly say there are only a handfull of refineries in the uk the rest of the distribution points have the fuel shipped or piped to them, www.linewatch.co.uk/network.htm the fuel is all basically the same just different additives used for different companies. The only exception i think is V-Power which is actually a refined specifically for shell.
As for testing against differnt brands there are too many variables to take into account to do it on the road. for example the colder it is the better in terms of filling up but i would hazard a guess that if the weather is warmer your car would get more miles to the gallon.
i'd like to see a definitive answer, with proof, on what goes into supermarket tanks.
this question keeps coming up, but i've yet to see an answer where someone doesn't contradict it in the next post...
there seem to be three basic answers...
1. the fuel is exactly the same as branded ones
2. its the same but with different additives
3. its the crud that's not as good as the branded fuel.
i always thought it was much the same stuff, but my octavia diesel seems to get 650-680 out of a tank of shell,(and seems to have a bit more get up and go), but on tescos/asda or sainsburys it only gets 600-630 out of a tank.
this question keeps coming up, but i've yet to see an answer where someone doesn't contradict it in the next post...

there seem to be three basic answers...
1. the fuel is exactly the same as branded ones
2. its the same but with different additives
3. its the crud that's not as good as the branded fuel.
i always thought it was much the same stuff, but my octavia diesel seems to get 650-680 out of a tank of shell,(and seems to have a bit more get up and go), but on tescos/asda or sainsburys it only gets 600-630 out of a tank.
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