Should we be using lighter weight oil?

Christopher Gharibo cgharibo at
Sun Dec 29 09:39:54 EST 2002

I have a '91 20V Coupe in the northeast with 20 degree winters and 90 degree
summers. I noticed Audi and just about every manufacturer is moving towards
0W30, 5W30 type lighter weight oils. Should we be doing the same?

I currently use Mobil 15W50 year-long, changed every May and November.

What's your opinion on moving to lighter oils?

Should I change oil to something lighter in the winters or all year long, such
as 10W30 or 5W30?


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