Strengths
- Twin-turbo V6 broader powerband
- 8AT smooth
- Cabin tech step on
Weaknesses
- No NA V8 sound
- No manual
- Run-flat tyres
Notable tech
- MLB Evo platform (A4 B9 sibling)
- 2.9 TFSI biturbo V6
- Quattro AWD
- 8-speed Tiptronic auto
- Avant body only in UK
- RS4 GT special edition 2024 — 470 bhp
Common issues
- EA839 PCV diaphragm
- 8AT mechatronic
- MMI freezes pre-2020
Engine derivatives
UK trims and engines offered across B9's life. Click any two rows to compare them side-by-side.
Pick two engines to compare
2.9 TFSI biturbo quattro Avant
BHP444
Torque600 Nm
0–604.1 s
Top155 mph
MPG27 mpg
DriveAWD
Gearbox8AT
RS4 GT (limited 2024)
BHP470
Torque600 Nm
0–603.9 s
Top180 mph
MPG27 mpg
DriveAWD
Gearbox8AT