Porsche 911 2004 - 2011 ( 997 ) Carrera GTS 3.8i 408hp

Real standard and upgraded performance figures for the Carrera GTS 3.8i 408hp engine in the Porsche 911 2004 - 2011 ( 997 ).

This page covers the Carrera GTS 3.8i 408hp as fitted to the Porsche 911 2004 - 2011 ( 997 ) — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard408420
Stage 1425445
Stage 2438456
Make
Porsche
Model
911
Generation
2004 - 2011 ( 997 )
Engine
Carrera GTS 3.8i 408hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Porsche 911 2004 - 2011 ( 997 ) Carrera GTS 3.8i 408hp?

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 GTS 3.8i 408hp make after tuning?

Standard output is 408 HP / 420 Nm; Stage 1 on this engine typically reaches 425 HP / 445 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Porsche 911 2004 - 2011 ( 997 ) Carrera GTS 3.8i 408hp 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 GTS 3.8i 408hp 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.