GMC Sierra 2008 - 2013 4.8 V8 302hp

Real standard and upgraded performance figures for the 4.8 V8 302hp engine in the GMC Sierra 2008 - 2013.

Standard vs. upgraded performance for the GMC Sierra 2008 - 2013 4.8 V8 302hp, based on real files we've processed for this exact engine.

Horsepower (HP)Torque (Nm)
Standard302414
Stage 1320435
Stage 2329445
Make
GMC
Model
Sierra
Generation
2008 - 2013
Engine
4.8 V8 302hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the GMC Sierra 2008 - 2013 4.8 V8 302hp?

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 4.8 V8 302hp make after tuning?

Standard output is 302 HP / 414 Nm; Stage 1 on this engine typically reaches 320 HP / 435 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a GMC Sierra 2008 - 2013 4.8 V8 302hp 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 4.8 V8 302hp 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.