Hummer H2 2008 - 2009 6.2 V8 393hp

Real standard and upgraded performance figures for the 6.2 V8 393hp engine in the Hummer H2 2008 - 2009.

This page covers the 6.2 V8 393hp as fitted to the Hummer H2 2008 - 2009 — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard393574
Stage 1415600
Stage 2426613
Make
Hummer
Model
H2
Generation
2008 - 2009
Engine
6.2 V8 393hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the Hummer H2 2008 - 2009 6.2 V8 393hp?

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 6.2 V8 393hp make after tuning?

Standard output is 393 HP / 574 Nm; Stage 1 on this engine typically reaches 415 HP / 600 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Hummer H2 2008 - 2009 6.2 V8 393hp 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 6.2 V8 393hp 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.