Porsche 911 2011 - 2015 ( 991 ) Carrera S 3.8i 400hp
Real standard and upgraded performance figures for the Carrera S 3.8i 400hp engine in the Porsche 911 2011 - 2015 ( 991 ).
These are real standard and Stage 1 (and where available, Stage 2) figures for the Porsche 911 2011 - 2015 ( 991 ) Carrera S 3.8i 400hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 400 | 440 |
| Stage 1 | 440 | 460 |
| Stage 2 | 460 | 470 |
- Make
- Porsche
- Model
- 911
- Generation
- 2011 - 2015 ( 991 )
- Engine
- Carrera S 3.8i 400hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Porsche 911 2011 - 2015 ( 991 ) Carrera S 3.8i 400hp?
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 Carrera S 3.8i 400hp make after tuning?
Standard output is 400 HP / 440 Nm; Stage 1 on this engine typically reaches 440 HP / 460 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Porsche 911 2011 - 2015 ( 991 ) Carrera S 3.8i 400hp 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 Carrera S 3.8i 400hp 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.