Quote:
Originally Posted by Sophia_Bush
what are the benefits of the 2 mentioned? will the 5w40 have better cold start protection or something along those lines? the car in question is a mk1 1.5d 106, will be used for dual carriage and bypass driving only no town driving, even if there was town driving 2 miles most at weekends
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You are correct the 5w-40 will flow quicker when cold and warm up faster... basically doing its job faster then a 10w. They 5w-40 being synthetic will also last a lot longer, you are probably looking at an annual oil change with one. The 10w-40 semi synthetic will need to be changed more often.
From a driving point of view I doubt you will notice any difference between the two.
Cheers
Guy.