Porsche Boxster 2016 -> (718) GT4 4.0 420hp
Real standard and upgraded performance figures for the GT4 4.0 420hp engine in the Porsche Boxster 2016 -> (718).
Standard vs. upgraded performance for the Porsche Boxster 2016 -> (718) GT4 4.0 420hp, based on real files we've processed for this exact engine.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 420 | 420 |
| Stage 1 | 440 | 440 |
| Stage 2 | 450 | 450 |
- Make
- Porsche
- Model
- Boxster
- Generation
- 2016 -> (718)
- Engine
- GT4 4.0 420hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Porsche Boxster 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 440 HP / 440 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Porsche Boxster 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.