About the 2021 Audi A4
The 2021 model year of the Audi A4 sits in the a compact executive sedan that was Australia's #81-best-selling new vehicle in 2024. B9 A4 (2016+) shares the EA888 engine with VW Golf/Tiguan and the DSG dual-clutch with much of the VAG range — same fluid-service discipline applies. Verify MMI navigation has been updated (Audi stops releasing maps for cars >5 years old; an out-of-date MMI indicates lapsed service). Quattro variants need haldex-coupling fluid every 60,000km.