I seem to vaguely remember a story about Audi’s consuming excess oil in the USA. It was the subject of a law suit. I had presumed that Audi had sorted the issue out. The figure was 1 litre of oil per 1000 miles. Might be worth a google. A known fault should be less hassle for them to adrrsss. .
Give it the Italian tune up. Full power, max RPM, hold it on the governor in second. Basically drive it round like a Royal Mail transit for a bit.