2016–2024 Audi A4 Mk5 (B9)

Browse our directory of 2016–2024 Audi A4 Mk5 (B9) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

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Common Problems & Reliability

0
Serious
1
Moderate
0
Minor

The 2016–2024 Audi A4 Mk5 (B9) has 1 known issue. 1 are moderate concerns worth inspecting before purchase.

Water Pump / Thermostat Leaks

Moderate

Later 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

View detailed Audi A4 Mk5 (B9) fault guide

Buying Tips for the 2016–2024 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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