Opel Signum 2003 - 2008 3.0 CDTi 184hp

Real standard and upgraded performance figures for the 3.0 CDTi 184hp engine in the Opel Signum 2003 - 2008.

This page covers the 3.0 CDTi 184hp as fitted to the Opel Signum 2003 - 2008 — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard184400
Stage 1219470
Stage 2236505
Make
Opel
Model
Signum
Generation
2003 - 2008
Engine
3.0 CDTi 184hp
Fuel type
Turbo-Diesel

Frequently asked questions

Is Stage 1 tuning safe for the Opel Signum 2003 - 2008 3.0 CDTi 184hp?

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 3.0 CDTi 184hp make after tuning?

Standard output is 184 HP / 400 Nm; Stage 1 on this engine typically reaches 219 HP / 470 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Opel Signum 2003 - 2008 3.0 CDTi 184hp 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 3.0 CDTi 184hp 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.