Porsche Cayman 2016 -> ( 718 ) GT4 (4.0) 420hp
Real standard and upgraded performance figures for the GT4 (4.0) 420hp engine in the Porsche Cayman 2016 -> ( 718 ).
These are real standard and Stage 1 (and where available, Stage 2) figures for the Porsche Cayman 2016 -> ( 718 ) GT4 (4.0) 420hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 420 | 420 |
| Stage 1 | 430 | 440 |
| Stage 2 | 435 | 450 |
- Make
- Porsche
- Model
- Cayman
- Generation
- 2016 -> ( 718 )
- Engine
- GT4 (4.0) 420hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Porsche Cayman 2016 -> ( 718 ) GT4 (4.0) 420hp?
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 GT4 (4.0) 420hp make after tuning?
Standard output is 420 HP / 420 Nm; Stage 1 on this engine typically reaches 430 HP / 440 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Porsche Cayman 2016 -> ( 718 ) GT4 (4.0) 420hp 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 GT4 (4.0) 420hp 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.