Stay with Current or Chose a New Oil - VW1.4t

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We are talking about a 2019 Jetta 1.4t The Car is now out of Warranty.

Tell me what you would pick and why.

OCI will likely remain about 10,000 and about a year.

  1. Ravenol VSE 0/20 - This is the current oil, there are quite a few UOAs of this car on it.
  2. Mobil 1 ESPX2 0/20 - This oil is now available locally and is Officially approved for VW508.
  3. Mobil 1 ESP 0/30 European Car Formula - This oil is now available locally and is Officially approved for VW504/507 and Porsche C30
  4. Mobil 1 (ESP X4?) 0/40 (only FS is easily available locally at present)
With possible exception of ESP 5/30 no other oils are under consideration.
 
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esp 0W-30 out of that list. it's more available than 4 for you, and has a nice mix of base oil and add-pack while not really compromising on the hths.
 
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I'd go with 3, 4. 3 and 4 are very good oils, have approvals and readily available.
 
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Consider this 😁
1000010348.webp
 
Just any favoured 5W30 ILSAC GF6A. Had 5w40 in mine for a month, engine ran poor other than high speed, high rpm highway.
5w30 is enough bump in HTHS without killing responsiveness.
Have any others here making suggestions owned one of these and experimented?
 
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We are talking about a 2019 Jetta 1.4t The Car is now out of Warranty.

Tell me what you would pick and why.

OCI will likely remain about 10,000 and about a year.

  1. Ravenol VSE 0/20 - This is the current oil, there are quite a few UOAs of this car on it.
  2. Mobil 1 ESPX2 0/20 - This oil is now available locally and is Officially approved for VW508.
  3. Mobil 1 ESP 0/30 European Car Formula - This oil is now available locally and is Officially approved for VW504/507 and Porsche C30
  4. Mobil 1 (ESP X4?) 0/40 (only FS is easily available locally at present)
With possible exception of ESP 5/30 no other oils are under consideration.
M1 xW30 ESP. Cheap, easily available, step up in grade.

Presumably your 1.4 isn't tuned, tracked, or modified, so there's little benefit to going to a 40 grade. Long-term, once your rings start sticking and burning oil, the lower phosphorous in ESP might let your cat live a bit longer than some of the options others have recommended.

20 grade is purely for economy, good for what, maybe 0.5-1% less l/km? No warranty, so 508 is moot.
 
Is the FS 5w-30 spec HTHS 3.5min?
If so, that is a huge jump from the Motul 508 00 Specific that I ran in mine.

@buster Do you maintain/drive a vehicle with a EA 211 engine?
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I don't but I have been looking at Jetta Sport and GLI lately.

Maybe Mobil1 ESP X2 0W20. Some still prefer FS oils.
 
Thanks to those who replied and at least provided a perfunctory reason.

To address some points.

I am not entirely sure i buy into the argument that 0/20 is purely for economy, but thats an argument for another day.

Ive run everything form 0/20 to 0/40 in the Ranger ive never noticed even the tiniest difference in "sluggishness" or economy, it is how ever poor on both performance and economy to begin with. It currently has 0/30 ESP in it.

The Jetta is not tuned though it isn't 100% out of the question in the future, no tracking is pretty much guaranteed.

Something readily available and not 80 bucks a jug would be nice though.
 
You got best advice. Go with Mobil1 ESP 0W30.
Yes, it is purely for CAFE reasons why 0W20 is utilized. European manufacturers generally like sticking to minHTHS of 3.5 when possible.
 
Thanks to those who replied and at least provided a perfunctory reason.

To address some points.

I am not entirely sure i buy into the argument that 0/20 is purely for economy, but thats an argument for another day.

Ive run everything form 0/20 to 0/40 in the Ranger ive never noticed even the tiniest difference in "sluggishness" or economy, it is how ever poor on both performance and economy to begin with. It currently has 0/30 ESP in it.

The Jetta is not tuned though it isn't 100% out of the question in the future, no tracking is pretty much guaranteed.

Something readily available and not 80 bucks a jug would be nice though.
0w-20 is acknowledged specifically in VW/Audi engine docs as an efficiency measure when 508 was introduced, particularly for cars driven short distances (where thicker oils might not hit minimum CoF given lower average temp).

30 grades offer some extra headroom for shear/dilution. M1 ESP with 504 is very good, stricter on IVDs than FS. Very hard to beat now that it's under $6/qt via walmart.
 
We've been over this:

But:

All US market (Maybe all NA) VWs of recent vintage i'm aware of are set on fixed intervals of 10.000 miles and 12 months.

Other markets are set on variable intervals by oil quality.

Were i so inclined, i could change it.
 
NA cars are definitely "fixed" service, with whatever oil spec the sticker/manual suggest. "Flexible" means running 504/508 oil and "fixed" in countries with poor fuel require 502 (on the same motors that would run 504/508 here). If anyone has doubts about going thicker being an issue.

The maintenance manual also says that intervals should be shortened with severe service, which I'd wager is most cars that don't strictly drive 30 minute freeway commutes with no traffic in perfect weather.
 
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