Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 450hp

Real standard and upgraded performance figures for the 4.5 V8 Turbo 450hp engine in the Porsche Cayenne 955 - 2002 - 2007.

Standard vs. upgraded performance for the Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 450hp, based on real files we've processed for this exact engine.

Horsepower (HP)Torque (Nm)
Standard450620
Stage 1500750
Stage 2520780
Make
Porsche
Model
Cayenne
Generation
955 - 2002 - 2007
Engine
4.5 V8 Turbo 450hp
Fuel type
Turbo-Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 450hp?

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 4.5 V8 Turbo 450hp make after tuning?

Standard output is 450 HP / 620 Nm; Stage 1 on this engine typically reaches 500 HP / 750 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Porsche Cayenne 955 - 2002 - 2007 4.5 V8 Turbo 450hp 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 4.5 V8 Turbo 450hp 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.