GMC Envoy 2002 - 2010 5.3 V8 300hp

Real standard and upgraded performance figures for the 5.3 V8 300hp engine in the GMC Envoy 2002 - 2010.

Standard vs. upgraded performance for the GMC Envoy 2002 - 2010 5.3 V8 300hp, based on real files we've processed for this exact engine.

Horsepower (HP)Torque (Nm)
Standard300447
Stage 1320470
Stage 2330481
Make
GMC
Model
Envoy
Generation
2002 - 2010
Engine
5.3 V8 300hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the GMC Envoy 2002 - 2010 5.3 V8 300hp?

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 5.3 V8 300hp make after tuning?

Standard output is 300 HP / 447 Nm; Stage 1 on this engine typically reaches 320 HP / 470 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a GMC Envoy 2002 - 2010 5.3 V8 300hp 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 5.3 V8 300hp 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.