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ATO24 OIL ANALYSIS - 0W-20 ENGINE OILS WITH VW 508 00 / 509 00 APPROVAL
The automotive industry is nowadays moving in the direction of more fuel-efficient engines. 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 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.
VW 509 00 / 509 00 APPROVAL
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. Engine oils with VW 508 00 / 509 00 approval rely exclusively on the viscosity class 0W-20, which significantly reduces wear. 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.
Due to their bluish colour, engine oils with the VW 508 00 / 509 00 approval are also referred to as "VW Blue Oil". This special colouring is intended to prevent accidental mixing with other engine oils.
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!
0W-20 OIL ANALYSIS - THE TESTING PROCEDURES
All 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?
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:
▶ Viscosity at 40 °C and 100 °C
â–¶ Viscosity Index
â–¶ HTHS
â–¶ TBN
â–¶ Sulphate Ash
â–¶ CCS -35 degrees
â–¶MRV -40 degrees
â–¶ NOACK
â–¶ Pour Point
â–¶ Flash Point
THE TESTED 0W-20 ENGINE OILS
Among 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.
Here is an overview of the tested engine oils:
Aral Super Tronic LL IV FE 0W-20:
Approvals: VW 508 00, VW 509 00
Castrol Edge Professional LL-IV FE 0W-20:
Approvals: VW 508 00, VW 509 00, Porsche C20
Fuchs Titan GT1 Longlife IV 0W-20:
Specifications: ACEA C5
Approvals: VW 508 00, VW 509 00, Porsche C20
Liqui Moly Top Tec 6200 0W-20:
Approvals: VW 508 00, VW 509 00
Recommendations: Porsche C20
See Product
Mobil 1 ESP x2 0W-20:
Specifications: ACEA A1 / B1 / C5, API SN / SL
Approvals: VW 508 00, VW 509 00, Porsche C20, MB 229.71, Jaguar Land Rover STJLR.51.5122
Motul Specific 508 00 509 00 0W-20:
Specifications: ACEA A1 / B1
Approvals: VW 508 00, VW 509 00, Porsche C20
Ravenol VSE 0W-20:
Specifications: ACEA C5
Approvals: VW 508 00, VW 509 00, Porsche C20
See Product
Shell Helix Ultra Professional AV-L 0W-20:
Specifications: ACEA C5
Approvals: VW 508 00, VW 509 00, Porsche C20
Total Quartz Ineo Long Life 0W-20:
Specifications: ACEA C5
Approvals: VW 508 00, VW 509 00, Porsche C20
VW G052577 Longlife IV 0W-20:
OEM Number: G052577
Approvals: VW 508 00, VW 509 00
RESULTS OF THE ANALYSIS
The test results are shown in the following bar charts. They do not appear in alphabetical order, but in numerically order. In addition to the following results, we have put them together in a PDF. This can be found under the following link:
PDF ATO24 0W-20 oil analysis
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
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