A4 (B9)
2015–2023 · Saloon, Estate · 2 engines
Problems, reviews and reliability for every engine in the A4 (B9). Pick an engine below to see common faults, fault codes and what to check before buying.
2015–2023 · Saloon, Estate · 2 engines
Problems, reviews and reliability for every engine in the A4 (B9). Pick an engine below to see common faults, fault codes and what to check before buying.