Buying a Audi A6 in South Australia
C8 A6 (2019+) shares MLB Evo platform with A7/A8/Q7. 3.0 TFSI V6 has a documented timing-chain rattle on cold start. Air suspension on quattro variants fails at 80,000+km. Pre-2019 C7 A6 used the 2.0 TFSI EA888 with same timing-chain concerns.
Specific to South Australia: South Australia's used-car market is smaller than the eastern states but proportionally similar in composition. Adelaide's lower theft rates make it one of the cheaper states to insure a high-value vehicle — but interstate vehicle transfers (particularly from QLD and NSW after major weather events) make NEVDIS WOVR checks essential.