2021–2024 Audi A4 Mk5 (B9)
Browse our directory of 2021–2024 Audi A4 Mk5 (B9) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.
Registration Directory
Showing 40 registrations for the 2021–2024 Audi A4 Mk5 (B9). Select any plate for an instant vehicle history check.
Common Problems & Reliability
The 2021–2024 Audi A4 Mk5 (B9) has 1 known issue. 1 are moderate concerns worth inspecting before purchase.
Water Pump / Thermostat Leaks
ModerateLater petrol and diesel engines still suffer coolant leaks from pumps or plastic thermostat housings.
Symptoms: Low coolant warning, Pink residue around front of engine
Est. repair cost: £350–£750
Buying Tips for the 2021–2024 Audi A4 Mk5 (B9)
- ✓Check virtual cockpit, MMI and reversing camera thoroughly
- ✓TDI buyers should watch for NOx-sensor and AdBlue faults
- ✓S tronic cars should feel clean and decisive
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