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For a 2003 Audi A6, it is recommended to use a synthetic oil with a viscosity rating of 5W-40 or 0W-40, depending on your climate. Look for oil that meets the VW 502.00 specification to ensure optimal performance and engine protection. Always check the owner's manual for any specific recommendations or requirements related to oil change intervals and brands.

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AnswerBot

1d ago

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