Seat Leon Cupra Fuel Rumour

[dw911]

Unfortunately I don't have a tesco very close by that sells fuel either

Best I can get on a regular basis is 97.

+ because I didn't realise this until I ordered it.. I'm going to do my best to put the 99 in but it's not always going to be possible... That was my point.

Feels like I'm committing some form of crime :O ha


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my comment was tongue in cheek, I can appreciate your predicament, I once had to do a thirty mile detour to find a garage selling 99ron, only to find it was no longer a tescos garage but an esso

I now have a map showing all the tescos garages

I would speak to Seat technical, see what they say about running it on 97, if they say its ok then get it in writing from then and your problems solved, I know some people say it doesn't matter even just run it on 95, but then its not their brand new engine is it

If Seat say you have to use 99, post back up on here as there is an easy solution to your problem

 

[Suicida1 Zombie]

Even in a 1.2... ?

As far as I understand it any petrol car that isn't naturally aspirated (So super/turbo charged, or both) will benefit from higher octane fuel due to the higher compression rates and if your car is designed for it then I would definitely say you should be using it. I would like to think that the 102 RON will appear back on the scene some time soon but then if cars aren't mapped for it then no-one will buy it, its a bit of a vicious cycle.

Also if it is you struggle to get 99 I would suggest just keeping a bottle of octane booster in the boot when filling with 95 RON (Do some reading up as some of the boosters really DO add a few points where as others either seem to help by adding kerosene which slows the burn down but adds no octane and some just do sweet FA

 

[mc-obesity]

my comment was tongue in cheek, I can appreciate your predicament, I once had to do a thirty mile detour to find a garage selling 99ron, only to find it was no longer a tescos garage but an esso

I now have a map showing all the tescos garages

I would speak to Seat technical, see what they say about running it on 97, if they say its ok then get it in writing from then and your problems solved, I know some people say it doesn't matter even just run it on 95, but then its not their brand new engine is it

If Seat say you have to use 99, post back up on here as there is an easy solution to your problem

Haha nice one! I will check with them at some point to see what they say.

Thanks again for the help guys

 

[simonali]

The fuel flap says 98/95 so I read that as anywhere between the 2, with the higher number being the preferred one. No one in the UK sells 98RON fuel as far as I know so not one (British) person here will be running their car to the manufacturers specifications.

 

[Suicida1 Zombie]

The fuel flap says 98/95 so I read that as anywhere between the 2, with the higher number being the preferred one. No one in the UK sells 98RON fuel as far as I know so not one (British) person here will be running their car to the manufacturers specifications.

Its surprising how much difference 2 or 3 points can make. Dug this post up -

fifth gear and top gear have done comparisons on this and found that using v power although it is dearef you definatly got more mpg i use vpower all the time and did notice the difference on my last car nissan qashqai 1.6 diesel and still use it in the leon 1.8 petrol but have not checked fuel consumption on it but will do next journey i do

very valid point, my consumption increased from 7.5 L/100 KM to 8.9.

The only problem RON 95 is triple the price of RON 92, but frankly i am not willing to screw my engine for whatever reason, i am going back to RON 95.

but on a technical side note, shouldn't the sensor adjust the timing so this knocking sound or pinking or detonation don't happen?! its really not happening unless i am on D and kicking down or going uphill.

And that was posted on these forums here

 

[mc-obesity]

I guess I'm just going to have to give both a whirl and work out which one is more beneficial to me. But by the sounds of the wait times they may have built a shell garage near me by then


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[Suicida1 Zombie]

Spunds luke the best idea. As long as you don't develop a knock or 'pinking' then you will be ok. And with all that power I don't know you would notice any real loss with driving on public roads anyway.

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[andycupra]

designing an engine for a specific RON rating? or simply using a higher RON rating so they can quote better power, economy and emission figures?

 

[boltonredgt]

I have received the official Seat brochure for the Cupra and the only fuel recommended is 98 octane

 

[simonali]

Well, that isn't possible in the UK unless you make your own!

 

[Suicida1 Zombie]

designing an engine for a specific RON rating? or simply using a higher RON rating so they can quote better power, economy and emission figures?

That's a bit chicken or egg really imo as if the engine wasn't designed to use the higher octane fuel then the difference using it madewould be less.....

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[andycupra]

That's a bit chicken or egg really imo as if the engine wasn't designed to use the higher octane fuel then the difference using it madewould be less.....

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I mean its not designed from inception to specifically use that fuel.
its flexible, the software is flexible and as such it will be fine on 95 ron.
The figures quoted are based on 98 ron, so of course they will recommend 98 ron as they need to so the product sold is as advertised.

if its specifically designed to be use by 98 ron only then it shoudlnt be sold on the uk as its 95, 97 or 99 that's currently available.
of course its not an issue, as it can adapt.

 

[Seastormer]

Says in SEAT lit that I have that it's 95/98 like my Ibiza Cupra