10w40 is the grade VW recommend. However, I would avoid Comma like the plague - that's cheap stuff and arguably, oil is the most important component in the engine of your car. I will only use Castrol in any of my cars, however, as an alternative Mobil 1 also has a good reputation. Both, I would say, are head and shoulders above the standard VW rubbish. However, it's the frequency of oil changes that matters just as much.My mileage is 84,000 about to do an oil change, after reading all the posts im confused but was guna use comma 10w/40 semi synthetic.......Good or Bad???
P.s. me engine is quite on tick over, just injector noise thats all!!!!