Golf GTI Unleaded Petrol have I done any damage ?

[sarah_louise]

My September 2006 Golf GTI Mk5 has been filled up since then with unleaded petrol. Now done 2000 miles.
I have only just noticed the inside of the filler cap says Use Super Unleaded petrol only.
Do I tell the VW agent ( presumably it will it affect the warranty ?)
More important , have I done any harm as I have not yet used full power.

[scorpious321]

hi sarah if its under warranty dnt speak to garage phone up another and ask to speak to a garage mechanic he will tell you there and then on the phone if you have done any harm to engine

[Fitzer]

Sarah according to the Golf GTi brochure at VWs home page the Gti needs a minimum of 95 RON fuel which standard unleaded meets. The link to the brochure is here http://www.volkswagen.co.uk/#/new/golf-gti/whi ch-model/brochures/

[sarah_louise]

Just to add to the confusion it says inside the filler cap area
Use Super Unleaded ,
min 95 RON

[Coobeastie]

Shouldn't cause a problem. VW will just recommend Super Unleaded so that you can get full performance out of the engine

[sarah_louise]

Thank You everybody

[Zax47]

As others have said above, you won't have damaged your engine. The engines ECU will adjust for using "normal" unleaded (95 RON) fuel with no problem at all. They recommend using "Super" unleaded (usually 98RON) to give best performance and economy for that high performance engine in the GTI. They will probably have used 98RON when doing the official perfomance and economy tests so to get the perfromance and economy they say then you should use 98RON.

Same goes for my Volvo Turbo, says to use 98 RON but will accept 95RON OK. Get worse performance and economy using 95RON than using 98RON, but 98RON is this little bit dearer so it evens out in the long run (cost vs economy)