Audi A4 2004 Problems

No car is perfect, but we've gathered everything relating to the Audi A4 2004 reliability here to help you decide if it's a smart buy.

What oil does a 2004 Audi A4 use in the engine?

Answered by CarsGuide 16 Sep 2020

I’d go for a fully synthetic engine oil with a viscosity rating of 5W-40. The turbocharged 1.8-litre engine in that model is a pretty hard-working unit and quite a complex engine, so frequent oil changes are critical to its longevity. The brand of oil is not so important, provided you use a quality brand and not the Brand-X stuff sold at supermarkets and some online clearing houses. Don’t forget to change the oil filter at the same time; putting clean, fresh oil through an old, dirty filter makes no sense at all.

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