Audi S4 B6 - 2001 - 2004 4.2 V8 344hp

Real standard and upgraded performance figures for the 4.2 V8 344hp engine in the Audi S4 B6 - 2001 - 2004.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Audi S4 B6 - 2001 - 2004 4.2 V8 344hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard344410
Stage 1364440
Stage 2380445
Make
Audi
Model
S4
Generation
B6 - 2001 - 2004
Engine
4.2 V8 344hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Audi S4 B6 - 2001 - 2004 4.2 V8 344hp?

Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.

How much more power does the 4.2 V8 344hp make after tuning?

Standard output is 344 HP / 410 Nm; Stage 1 on this engine typically reaches 364 HP / 440 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Audi S4 B6 - 2001 - 2004 4.2 V8 344hp remap take?

Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.

Can the 4.2 V8 344hp be reverted to its original file?

Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.