Audi A6 C5 - 1997 - 2004 2.5 TDI 180hp

Real standard and upgraded performance figures for the 2.5 TDI 180hp engine in the Audi A6 C5 - 1997 - 2004.

These are real standard and Stage 1 (and where available, Stage 2) figures for the Audi A6 C5 - 1997 - 2004 2.5 TDI 180hp — not a generic estimate for the model range.

Horsepower (HP)Torque (Nm)
Standard180370
Stage 1210420
Stage 2225445
Make
Audi
Model
A6
Generation
C5 - 1997 - 2004
Engine
2.5 TDI 180hp
Fuel type
Turbo-Diesel

Frequently asked questions

Is Stage 1 tuning safe for the Audi A6 C5 - 1997 - 2004 2.5 TDI 180hp?

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 2.5 TDI 180hp make after tuning?

Standard output is 180 HP / 370 Nm; Stage 1 on this engine typically reaches 210 HP / 420 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Audi A6 C5 - 1997 - 2004 2.5 TDI 180hp 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 2.5 TDI 180hp 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.