In case you are interested in a more precise definition of the individual test procedures, we recommend you have a look at our first oil analysis: ATO24 Oil Analysis: Comparison of 0W-30 Engine Oils This can be found under the following link: In addition to the following results, we have put them together in a PDF. They do not appear in alphabetical order, but in numerically order. The test results are shown in the following bar charts. Here is an overview of the tested engine oils: In order to answer these questions and also, among all, achieve a better comparability, we have again, as we already did with our ATO24 0W-30 oil analysis, commissioned a laboratory accredited according to DAkkS in Germany to test and analyse the following points for us:Īmong the engine oils tested are the original VW G052577 Longlife IV 0W-20, as well as engine oils from renowned manufacturers such as Shell Helix Ultra Professional AV-L 0W-20, Castrol Edge Professional LL-IV FE 0W-20, Mobil 1 ESP x2 0W-20 and Ravenol VSE 0W-20. However, despite being referred to as VW Blue Oil, the colour is described as being rather green than blue - so in this context please don't be suprised!ĠW-20 Oil Analysis - The Testing ProceduresĪll the engine oils tested here meet the same VW 508 00 / 509 00 approval and also have the same 0W-20 viscosity class - however - are they all really the same or are there still differences between them? What are the potential strengths and weaknesses? This special colouring is intended to prevent accidental mixing with other engine oils. The low viscosity in combination with a greatly reduced HTHS viscosity (≥ 2.6 mPas for xW-20) and low friction enable a lower fuel consumption of up to 4 % compared to engine oils with 5W-30 viscosity class.ĭue to their bluish colour, engine oils with the VW 508 00 / 509 00 approval are also referred to as "VW Blue Oil". Engine oils with VW 508 00 / 509 00 approval rely exclusively on the viscosity class 0W-20, which significantly reduces wear. The VW 508 00 approval for petrol engines and VW 509 00 for diesel engines was specifically developed for the latest generation of VW engines.
The current VW 508 00 / 509 00 approval with the viscosity class 0W-20 and the LongLife IV property is a good example for the current development - and that makes it a very good subject for our latest ATO24 oil analysis. Consequently, this development also has an impact on engine oils as the development here is clearly leaning towards low viscosity 0W-30 and 0W-20 engine oils, which enable lower fuel consumption compared to “conventional” 5W-30 or 10W-40 engine oils. The automotive industry is nowadays moving in the direction of more fuel-efficient engines. ATO24 Oil Analysis - 0W-20 Engine Oils with VW 508 00 / 509 00 Approval
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