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All 1998 Audi A6 trims appear to use the same type of oil: 5W/40
Engine Code: AHA, ATQ
Change Period: 5000 miles/ 12 months
5,7-6 litre
Engine Code: AHA, ATQ
Change Period: 5000 miles/ 12 months
5,7-6 litre
OilType.co is a free online resource where volunteers catalogue the most popular cars and their oil types.
Along with the oil types we also keep track of the oil capacities, including the filter capacities (if available).
Just browse to the home page and use the drop-down menu to find the car you are looking for.
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All information shown on this site is to be taken as advice only.
We have done our best to ensure that it is as accurate as possible.
