Overview
Community orientation
The Audi Q8 4M (2018–2024) is a quattro SUV coupe offered with the 3.0 TFSI supercharged V6 petrol (55 TFSI) and the 3.0 TDI V6 diesel (45/50 TDI), as the SUV and the Sportback SUV-coupe body. This generation authors no problem patterns of its own: its 3.0 TFSI and 3.0 TDI patterns are modelled on their owner generations and resolve here through the shared engine graph. This is an editorial catalogue summary, not a reliability rating; the per-configuration community-orientation patterns, each with the build window it applies to, come from the shared engine graph.
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Filtered: 30TDI · 3.0 TDI V6 diesel.
Known issues
Sorted by severity. Tap an issue to reveal the relevant details and what to check.
Engines & reliability
Tap a row to filter the issues to that engine.
Pre-purchase checklist
Cold start
- ☐Start the engine from cold and listen for rattling or ticking from the timing chain area
Diagnostics
- ☐Scan stored DTCs and check live fuel/ignition/boost data before the test drive