I wouldn't take the advice from the sales persons to seriously.
This is one of the parameters that you need to look at to know how robust are the additives in the oil and which one would be better.
VW 506.01 HTHS index 3.06
VW 507.00 HTHS index 3.50
I do a little bit of research onto the oils myself all the time and more often I find out that the new oils are better made and more suitable for new engine than the old specs oils.
It is everybody’s choice what oil to put in his engine.
If you look at some other brand than VW you would find out that you can get away with oil specs as low as SG or even SE specs in the cars from late 1990 and at the same manual manufacturer is calling for The Fuel Efficient Formula 5W30 SJ rated oil but saying that you could use SG oil if SJ is not available. If you know something about oils you know that SG oil wouldn't be good for that engine.
Fleet operators like when they can use cheap oil in their vehicles, so I would say that it could be one of the reason why there are some very old oil specs listed in the relatively new cars.
In the case of oils for the late model VW the newer oils are better than the old ones.
Don’t compare the old cars to the new cars, they were driven in different traffic conditions and serviced at different intervals with the 5,000km or 10,000km oil changes.
I’m sure that if you would have asked VW technical department which oil specs is better for your new car they would say the latest one is.
Last edited by Transporter; 01-01-2009 at 08:27 PM.
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carandimage The place where Off-Topic is On-Topic
I used to think I was anal-retentive until I started getting involved in car forums
Yes.
Castrol Proffesional Formula 507 oil is also 504 oil for petrol engines.
When you compare old specs of the petrol oils to the new ones you will find the same thing that a newer oils protect engine better than the old ones.
And it was only the example anyway.
But you're right for 3 years or 100,000km you can put any approved oil in the engine you don't need to spend more $.
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