Supermarket Vs Garage Diesel
Discussion
Now this is going to sound daft, because I can't remember which one it was, but at one supermarket I don't use that often, I filled my TDI 130 with a tank full, and drove backwards and forwards to the S East back to the N East over a weekend, and I could not believe how good, and improved the fuel consumption, maybe 8-10mpg over normal, it made me think a tandard pump had been hooked to premium diesel by mistake, aside for the fact I don't think I've seen that kind of improvement when I've filled up with a premium diesel. I just can't remember which one it was! And although I don't think there's necessarily better diesel at the major forecourts, I have noticed occasionally a little lacklustre performance, and economy, from some garages, and some supermarkets.
Northern Munkee, Possible that you got a tank of cold fuel which with the expansion coefficient of fuel means that you get quite a bit more calorific value in the tank for the same measured volume on the pump. Belgium and Canada have implemented automatic temperature compensation at the pump to make it fairer for the consumer. All oil companies, both global and local are fighting against it. By the way supermarket sites have a very high fuel turnover which means it is pretty much always warm, and if you can (safely) measure the temperature of the fuel you will probably find that its not the bargain that you think it is. Same goes for motorway sites with their high volume turnover but they are even more expensive to start with. Think about it.
Edited by paul.deitch on Sunday 16th August 23:18
Edited by paul.deitch on Sunday 16th August 23:20
You should buy your fuel from whichever outlet has the highest through-put of trade. Certainly petrol loses its octane rating very quickly (something like 3 octane in the first 2days), Diesel will not be so sensetive to age, but time still plays a factor.
The busier forecourt will have fresher fuel.
The busier forecourt will have fresher fuel.
I run a Mondy 130 TDcI on BP.
216,000 miles and only one duff injector, a short time ago.
Injectors are supposed to last 100,000.
Used to run on Tesco/Sainsburys for years and there is a distinct driving improvement with BP.
And it costs little more than, or the same as, supermarket stuff.
216,000 miles and only one duff injector, a short time ago.
Injectors are supposed to last 100,000.
Used to run on Tesco/Sainsburys for years and there is a distinct driving improvement with BP.
And it costs little more than, or the same as, supermarket stuff.
arrishort555 said:
isnt it only the really expensive special fuels that help and the normal fuels are all basicly the same....
i have an rx-8 and i use premium 97 unleaded only from BP around my house, i was doing this under the impression that the fuels at garages are generally better for whatever reason i am unaware of and that premium unleaded compared to regular unleaded is better for engines.what do you mean by really expensive special fuels?!
TallPaul said:
You should buy your fuel from whichever outlet has the highest through-put of trade. Certainly petrol loses its octane rating very quickly (something like 3 octane in the first 2days), Diesel will not be so sensetive to age, but time still plays a factor.
The busier forecourt will have fresher fuel.
Very good tip and ties in with what I've heard before. A lot of the hydrocarbons used to boost octane are very light and evaporate very quickly.The busier forecourt will have fresher fuel.
109 Bob said:
Don't know about the quality of their fuel but I wont use supermarket fuel stations because I hate queuing with society's unwashed, chaves & sheep. I'd rather pay 1p more a litre at the local Esso garage.
You're right. Filling up with petrol can be a wonderful, class defining experience. I usually fill up at my local Esso station and it's like a Royal garden party, filled with society's great and good. Usually the car is filled for me, and I enjoy a glass of champagne whilst having a foot massage. However a few years ago I had to fill up at a Tesco. Not only did I have to fill the car myself, but when I went in to pay there were children no older than 7 or 8 shooting up heroin. The place had exrement everywhere, and the woman behind the till had bubonic plague. On my way back to the car I witnessed a leper giving birth to a baby which was half human and half rat. On a different note around here the tanker fills up the BP station, then drives 2 miles down the road and fills up the Sainsburys. So there.
M.AlmondsStomach said:
109 Bob said:
Don't know about the quality of their fuel but I wont use supermarket fuel stations because I hate queuing with society's unwashed, chaves & sheep. I'd rather pay 1p more a litre at the local Esso garage.
You're right. Filling up with petrol can be a wonderful, class defining experience. I usually fill up at my local Esso station and it's like a Royal garden party, filled with society's great and good. Usually the car is filled for me, and I enjoy a glass of champagne whilst having a foot massage. However a few years ago I had to fill up at a Tesco. Not only did I have to fill the car myself, but when I went in to pay there were children no older than 7 or 8 shooting up heroin. The place had exrement everywhere, and the woman behind the till had bubonic plague. On my way back to the car I witnessed a leper giving birth to a baby which was half human and half rat. johnnyBv8 said:
109 Bob said:
Don't know about the quality of their fuel but I wont use supermarket fuel stations because I hate queuing with society's unwashed, chaves & sheep. I'd rather pay 1p more a litre at the local Esso garage.
How odd. And what's a chave?M.AlmondsStomach said:
109 Bob said:
Don't know about the quality of their fuel but I wont use supermarket fuel stations because I hate queuing with society's unwashed, chaves & sheep. I'd rather pay 1p more a litre at the local Esso garage.
You're right. Filling up with petrol can be a wonderful, class defining experience. I usually fill up at my local Esso station and it's like a Royal garden party, filled with society's great and good. Usually the car is filled for me, and I enjoy a glass of champagne whilst having a foot massage. However a few years ago I had to fill up at a Tesco. Not only did I have to fill the car myself, but when I went in to pay there were children no older than 7 or 8 shooting up heroin. The place had exrement everywhere, and the woman behind the till had bubonic plague. On my way back to the car I witnessed a leper giving birth to a baby which was half human and half rat. 
qwerty88 said:
arrishort555 said:
isnt it only the really expensive special fuels that help and the normal fuels are all basicly the same....
i have an rx-8 and i use premium 97 unleaded only from BP around my house, i was doing this under the impression that the fuels at garages are generally better for whatever reason i am unaware of and that premium unleaded compared to regular unleaded is better for engines.what do you mean by really expensive special fuels?!
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