What Petrol do you guys use?

[OWNIT]

Hi All,

quick and easy question here.


I have a MY 2009 tiguan 2.0 tsi.

I usually fill up with 98 - though i am aware that the car just says any unleaded fuel.

Am i wasting my money with 98? should i just go with 91 or does the extra coin provide other benefits for this particular engine?

My wife had a 2007 Jetta with a similar engine and that specifically stated it needed 98.

[tigger73]

All the turbo petrol engines should be run on 98.


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[brad]

What does it say inside the fuel flap? I'm not aware of any VW product that likes 91ron. They all need minimum 95ron.

Personally, I run 98ron because 1) Remap & 2) I only fill up every 4-6 weeks and the fuel loses octane as it ages.

[tigger73]

In my old 2011 125TSI Tig it had a large 98 and small 95 on the inside of the fuel flap. Meaning rcommended 98 but in emergency you can run on 95 but really only until you can get to a servo to put 98 in. A lot of places only stock 98 and not 95 these days as the price difference is really not that much.

[TonyMax]

I used to compare economy figures on repeated long trips in my non VW car. The info computers in vehicles these days make it so easy. I only ever compared E10 with regular unleaded, and the better economy with unleaded made E10 cost more per km.

I never did the same comparison with 95 or 98 sadly, and now I have a diesel vehicle.

If there's no minimum RON specified for your car you could always do the same and see how the dollars compare? You may find you are paying more for "a cleaner engine" or other sales speak and there isn't a performance or economy gain to be had with the more expensive fuels.

[Kachingg]

I found with my last petrol car (a 3 cylinder auto with a carby /groan) even with that it ran a bit smoother on 98 and started easier in cold weather and was a vry small i think .2 or .3 a ltr gain in economy

But i agree with tonymax go to fuel light with a tank of the 91 if your running it now do the figures then top up with a full tank of 98 and do the same then you will have the seat of the pants feel and can do the numbers to work out if it's worth it for you

[Creampuff]

98 is the only way to go!

[Aztech]

I've only purchased one VW new and that was a 2011 Golf with the 1.4L turbo, I think 90tsi (dont quote me on that) at the dealership they said Australian fuel is low quality compared to Europe and even though it stated 95ron that said to only run in on 98 and if I had to (low fuel in regional area with no 98 available) fill under half the tank with 95 or as much as you need to get back to civilisation and then fill it with 98 to dilute the 95. I personally wouldn't risk going under 98 in my tig.

[Lucas_R]

BP 98 only

[OWNIT]

Apologies for the late response. I did err in my original post, it does say 95 on the fuel flap.


As I said I've always been filling 98 anyway so it slipped my mind I guess..
So it's either 95 or 98


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[Amirst10]

upgrade to stage1 software to APR 98 .
feel the power of 260bhp

[Ceres_mining_co]

My fuel flap says to use 95 but I was using 98 even before I had her tuned.