Cadillac CTS 2002 - 2007 5.7 V8 405hp

Real standard and upgraded performance figures for the 5.7 V8 405hp engine in the Cadillac CTS 2002 - 2007.

This page covers the 5.7 V8 405hp as fitted to the Cadillac CTS 2002 - 2007 — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard405533
Stage 1430560
Stage 2442573
Make
Cadillac
Model
CTS
Generation
2002 - 2007
Engine
5.7 V8 405hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Cadillac CTS 2002 - 2007 5.7 V8 405hp?

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 5.7 V8 405hp make after tuning?

Standard output is 405 HP / 533 Nm; Stage 1 on this engine typically reaches 430 HP / 560 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Cadillac CTS 2002 - 2007 5.7 V8 405hp 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 5.7 V8 405hp 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.