Audi A4 problems: all generations
We have documented 5 generations of the Audi A4: A4 B5 (1994–2001), A4 B6 (2000–2004), A4 B7 (2004–2007), A4 B8 (2007–2015) and A4 B9 (2015–today). The one with the best score is the Audi A4 B9 (6.0/10). Choose the generation or the year to see its faults, the engines best avoided and what to check before buying.
Audi A4 B5
1994–2001 · code 8D
Engines and gearboxes: 1.9 TDI, 1.8 T 20v
Most serious fault: Critical severity
5.6 out of 10MotorFiable Score
Audi A4 B6
2000–2004 · code 8E
Engines and gearboxes: Multitronic gearbox, 1.8 T 20v
Most serious fault: Critical severity
5.1 out of 10MotorFiable Score
Audi A4 B7
2004–2007 · code 8E
Engines and gearboxes: Multitronic gearbox, 3.0 TDI V6, VW 2.0 TFSI EA113, 2.0 FSI
Most serious fault: Critical severity
4.7 out of 10MotorFiable Score
Audi A4 B8
2007–2015 · code 8K
Engines and gearboxes: Multitronic gearbox, 2.0 TSI / TFSI, 3.0 TDI V6, 2.0 TDI, Audi 3.0 TFSI V6
Most serious fault: Critical severity
4.4 out of 10MotorFiable Score
Audi A4 B9
2015–today · code 8W
Engines and gearboxes: 3.0 TDI V6, 2.0 TSI / TFSI, ZF 8HP gearbox, 2.0 TDI, Audi 3.0 TFSI V6
Most serious fault: Critical severity
6.0 out of 10MotorFiable Score
Problems with Audi cars · Audi A4 warning lights · Least reliable cars