Porsche Cayenne 955 - 2002 - 2007 S 4.5 V8 340hp
Real standard and upgraded performance figures for the S 4.5 V8 340hp engine in the Porsche Cayenne 955 - 2002 - 2007.
Below: measured output for the S 4.5 V8 340hp in the Porsche Cayenne 955 - 2002 - 2007, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 340 | 420 |
| Stage 1 | 360 | 445 |
| Stage 2 | 380 | 460 |
- Make
- Porsche
- Model
- Cayenne
- Generation
- 955 - 2002 - 2007
- Engine
- S 4.5 V8 340hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Porsche Cayenne 955 - 2002 - 2007 S 4.5 V8 340hp?
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 S 4.5 V8 340hp make after tuning?
Standard output is 340 HP / 420 Nm; Stage 1 on this engine typically reaches 360 HP / 445 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Porsche Cayenne 955 - 2002 - 2007 S 4.5 V8 340hp 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 S 4.5 V8 340hp 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.