SEAT tyre pressures label for Cupra with 18" wheels

[RUM4MO]

Can anyone who has a MK3 Leon Cupra that came with 18" wheels, please let me know what pressures are quoted on the "tyre pressures label/sticker" please, I searched for what the pressures SEAT advise but have drawn a blank, even the driver's handbook and workshop manual suggest that the pressures listed on the label stuck to the car during productions are where you find this info - my daughter's car came with 19" alloys and I've fitted 18" with the correct tyres for use in winter.

Thanks in advance.

Also, what are others who use 18" wheels in winter with 225/40 R18 92V XL winter tyres setting their tyres pressures to for normal/light loading and fully loaded, thanks.

 

[Damo H]

Can anyone who has a MK3 Leon Cupra that came with 18" wheels, please let me know what pressures are quoted on the "tyre pressures label/sticker" please, I searched for what the pressures SEAT advise but have drawn a blank, even the driver's handbook and workshop manual suggest that the pressures listed on the label stuck to the car during productions are where you find this info - my daughter's car came with 19" alloys and I've fitted 18" with the correct tyres for use in winter.

Thanks in advance.

Also, what are others who use 18" wheels in winter with 225/40 R18 92V XL winter tyres setting their tyres pressures to for normal/light loading and fully loaded, thanks.

You may want to contact the tyre manufacturer as another option. I did this in the past when I fitted non spec size tyres to a MINI.

If you can tell the car and the axle weight info (think its in the drivers door), they should be able to give you an idea of they should be set to.

 

[RUM4MO]

I know its not rocket science, but what I'm really after is what SEAT advise to be the correct pressure for that size and type of tyre, ie the winter tyres I've fitted are the correct weight rating and size as the 18" option was but as with many others, I've chosen a V speed rating which is acceptable for winter tyres. Knowing this info is only really for me to know that I am inflating these winter tyres to what SEAT advise - as a point of reference in case insurance company questioning it as an escape.
I seem to remember that generally speaking, winter tyres, when measuring the pressures in winter temperatures, should be 0.2Bar higher than what the advised summer setting temperatures are, so 3psi higher which is not much.

 

[Damo H]

I know its not rocket science, but what I'm really after is what SEAT advise to be the correct pressure for that size and type of tyre, ie the winter tyres I've fitted are the correct weight rating and size as the 18" option was but as with many others, I've chosen a V speed rating which is acceptable for winter tyres. Knowing this info is only really for me to know that I am inflating these winter tyres to what SEAT advise - as a point of reference in case insurance company questioning it as an escape.
I seem to remember that generally speaking, winter tyres, when measuring the pressures in winter temperatures, should be 0.2Bar higher than what the advised summer setting temperatures are, so 3psi higher which is not much.

I still think the tyre manufacturer is the better option to supplying this information. Especially if Seat/Seat UK don't provide that tyre.

Failing that contact one of the nordic countries Seat customer services to see what they say.

 

[RUM4MO]

.I think that you are correct there. My starting point was what is shown on the door pillar label on a slightly earlier MK3 Leon Cupra that came fitted with 18" wheels.

VW Group seems to chop and change what they stick on these labels, my old 2011 Audi S4 - which had the factory option of 19" or 18" alloys, is fitted with a label covering 19" and 18" summer tyres and 18" winter tyres - so starting to use 18" winter tyres was easy as the information was there, my wife's 2015 VW Polo was obviously built when VW Group were quoting lightly loaded, fully loaded, fuel efficiency and comfort - which for some people probably was just too much to take in, now with this 2019 Leon Cupra it is back to basics, ie no quoted tyre size etc, just light loaded and fully loaded, though the space saver tyre size/type is quoted, strange.

 

[Damo H]

.I think that you are correct there. My starting point was what is shown on the door pillar label on a slightly earlier MK3 Leon Cupra that came fitted with 18" wheels.

VW Group seems to chop and change what they stick on these labels, my old 2011 Audi S4 - which had the factory option of 19" or 18" alloys, is fitted with a label covering 19" and 18" summer tyres and 18" winter tyres - so starting to use 18" winter tyres was easy as the information was there, my wife's 2015 VW Polo was obviously built when VW Group were quoting lightly loaded, fully loaded, fuel efficiency and comfort - which for some people probably was just too much to take in, now with this 2019 Leon Cupra it is back to basics, ie no quoted tyre size etc, just light loaded and fully loaded, though the space saver tyre size/type is quoted, strange.

I know what you mean, but the 265 leon will have summer 18 info.

Mine and @paddy6789 have racetrack pressures listed lol

@Adamskifresh has a 265 so maybe able to help.

 

[CupraGeezer]

The label on my 280 quotes 2.6 bar (F) and 2.3 bar (R) for 225/40 R18 tyres with the car lightly loaded.

With the car heavily loaded, the equivalent figures are 2.8 bar front and rear.

All these figures are 0.1 bar lower than the recommended pressures for 235/35 R19 tyres.

 

[RUM4MO]

The label on my 280 quotes 2.6 bar (F) and 2.3 bar (R) for 225/40 R18 tyres with the car lightly loaded.

With the car heavily loaded, the equivalent figures are 2.8 bar front and rear.

All these figures are 0.1 bar lower than the recommended pressures for 235/35 R19 tyres.

Thank you very much for that!

 

[RUM4MO]

Well, that 2019 SEAT Leon Cupra has just come back from its first service, work done "oil and filter change and tyres set to correct level", it still has its 18" winter tyres on and was returned with the TPMS alerting for low pressure and all 4 tyres set at 31PSI, which should make it very comfortable on the road and drop its MPG a bit, so I was called in to sort that out. Normally it would have its 19" summer wheels and tyres on, but this year, not yet!

 

[KV100]

This is the tyre pressure sticker on my 1.4 FR fitted with 18" wheels. Hope this helps.

 

[Damo H]

This is the tyre pressure sticker on my 1.4 FR fitted with 18" wheels. Hope this helps. View attachment 16419

Sadly the 2.0 litre engine is a bit heavier.



Not sure if this helps, from the facebook groups. This is taken from someone with a 280 CUPRA...

 

[BigJase88]

35 psi for me all round works on about every car i have ever owned. Can’t go wrong

 

[RUM4MO]

Thanks for the pics of the tyre pressures guys, so either we are all wrong or SEAT dealership is - and I think I know who is correct.

Edit:- BTW I do trust this pressure gauge and it agrees with what the gauge on the tyre pump indicates - though I always go by the tyre pressure gauge when setting pressures and not the shaken to bit gauge on the pump.

 

[eltawater]

My cupra 280 ST actually came with 19" wheels and I change over to 18s for winter. I carry lots of family crap with me so I keep it at 42 all around for both sizes.

 

[RUM4MO]

Again, make sure that you check your pressures after it has been serviced, I'm sure that my daughter would have eventually started to notice the "cost" going up as the MPG dropped a bit! I need to encourage her to bring her boy friend out to my garage to assist in swopping to the Summer 19" bits (I'm not doing that when she has someone that can.).

 

[black_sheep]

Again, make sure that you check your pressures after it has been serviced.

This - one of my biggest pet hates! Brand new set of PS4S running with nitrogen deflated to 33 psi all round the last time I took it to the dealer!

 

[RUM4MO]

Clowns, bad enough if was just air in them!

 

[Butty]

This - one of my biggest pet hates! Brand new set of PS4S running with nitrogen deflated to 33 psi all round the last time I took it to the dealer!

Who has the accurate gauge though?

 

[black_sheep]

Who has the accurate gauge though?

Not sure - myself as a Chartered Engineer using a dial gauge that I’ve tested alongside an in date calibrated gauge for accuracy, or the dealer. I’ll let you be the judge!

Perhaps if the air lines in the UK were like those in Spain and Germany where they are both free and have the in-date calibration sticker we’d all have vehicles that are safer on the road.

 

[Glosphil]

This - one of my biggest pet hates! Brand new set of PS4S running with nitrogen deflated to 33 psi all round the last time I took it to the dealer!

I have 78% nitrogen in my car's tyres - it's free.