Audi · Wagon · 2000–2004
Audi A4 B6 Avant
Weaknesses, engine ratings and buying advice
★★★★★
2.8 / 5.0 · Based on 21 engine variants Most Fun Engine
344 PS
4.2L V8 FSI Benzin
4.2 V8 in the B6 — the first eight-cylinder S4
Legendary! Most Reliable Engine
101–102 PS
1.6L MPI Benzin
5 weaknesses
Good Choice Problem Engine
344 PS
4.2L V8 FSI Benzin
8 weaknesses
Stay Away!Engine Overview
The Audi A4 B6 Avant is available with 9 engine variants — from 90 to 344 hp.
1.9L TDI
2000 2004
Be Careful 8 weaknesses
2.5L TDI V6
2000 2004
Stay Away! 6 weaknesses
1.6L MPI
2000 2004
Good Choice 5 weaknesses
1.8L Turbo Engine Change
2000 2004
Be Careful 6 weaknesses
2002 2004
Be Careful 6 weaknesses
2002 2004
Be Careful 6 weaknesses
2002 2004
Stay Away! 7 weaknesses
2.0L FSI
2002 2004
Be Careful 7 weaknesses
2.0L MPI
2000 2004
Be Careful 7 weaknesses
2.4L V6 Engine Change
2000 2004
Be Careful 5 weaknesses
2001 2004
Be Careful 5 weaknesses
3.0L V6
2000 2004
Good Choice 6 weaknesses
S4
2003 2004
Stay Away! 8 weaknesses
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Front Axle Control Arm Wear The multi-link front axle is prone to control arm wear. Rubber bushings and bushes become brittle. The upper mounting bolt corrodes and frequently snaps on removal. Symptoms: Knocking and clattering from the front axle area, uneven tyre wear, flutter when braking from 100,000 km | Medium |
Frequently Asked Questions
What problems and weaknesses does the Audi A4 B6 Avant have? +
The Audi A4 B6 as Avant has 136 known weaknesses, 8 vehicle-related.
Which engine is recommended? +
Good Choice: AGN (1.8L 20V), BAU (1.6L MPI), BBJ-V6 (3.0L V6).
Is the Audi A4 B6 Avant worth buying used? +
Caution is advised with the Audi A4 B6 Avant — 5 of 21 engine variants are rated 'Stay Away!'.
Last updated: February 2026 · All information without guarantee