Full synthetic 5w-40 if you can find it, you could run 5w-30 if not. The 1.8t needs around 4.8 qts I believe, so just buy 5 so you have a little left over. Mobil 1 is my go-to oil.
Mobil 1 0W40 and Castrol Edge 0W40 Euro. Those are the best oils for our cars in US. The price is excellent too. I run them in all my cars and equipment. Never had a failure.
Oil change every 5K M1 0W-40, zero oil consumption.
I run Redline 5w-40. I do not use the 'Euro' formula version, but the regular 5w-40 meets the VAG oil specs for a (2012) TT-RS. I used to run Mobile 1 0w-40, but I believe that Redline, Amsoil, Motul, and a few others are a higher quality oil (ex: Ester base stocks for Redline and Motul 300v).
Hi Vr6oom, I have a 2015 S3 with 10.3k miles and also trying to reduce IVD and oil consumption as much as possible. After a bunch of research that I have done to find the lowest possible noack, saps for 5w40, which is the viscosity recommended. I have settled for redline 5w40 euro series, just got my UOA back from Blackstone after 5k miles and everything is looking fine for extended oil use. So far little to no oil consumption
The only one that I found that met my standards was redline 5w40 euro series. I have just got my uoa from blackstone and everything looks fine, so for 5k miles on it and no oil has be added.
According to [these measurements](https://540ratblog.wordpress.com/), Mobil 1 advanced full synthetic (basic Mobil 1) has a film strength of 117,799 psi whereas Pennzoil Platinum's fim strength is only 99,949 psi.
So then **Mobil 1 is better**.
Honestly, as long as you're changing your oil regularly and not putting Autozone branded oil in, it doesn't matter that much. I like Mobile 1 for NA cars.
I did an oil change last week at 5800 miles and used Mobil1 0W40 VW spec .
Truth, Its a much debated topic. Local testing has shown M1 0W40 to hold up the best.
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