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GMC Sierra 4.8 V8 302hp

2008 - 2013

302 Original HP
320 Modified HP
414 Original NM
435 Modified NM
Print Certificate
GMC Sierra

GMC Sierra 2008 - 2013 4.8 V8 302hp

Key Specifications

Generazione 2008 - 2013
Carburante Petrol
Power 302 → 320 hp +18 hp
Torque 414 → 435 Nm +21 Nm
Power
320 HP
+18 HP (+6%)
Original 302 HP
Stage 1 320 HP
Torque
435 NM
+21 NM (+5.1%)
Original 414 NM
Stage 1 435 NM

Power Graph

Original Power 302HP
Original Torque 414Nm
Power After Remap 320HP
Torque After Remap 435Nm

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Frequently Asked Questions - GMC Sierra

The cost of Stage 1 tuning for GMC Sierra 4.8 V8 302hp varies depending on the ECU and specific requirements. Contact us for a free personalized quote.

Stage 1 tuning for GMC Sierra typically takes 1-2 hours of work. Time may vary depending on the ECU type.

Yes, our Stage 1 tunes are developed respecting the engine's safety margins. The power increase from 302 to 320 HP (+6%) is within safe parameters.

With Stage 1 tuning, GMC Sierra goes from 302 HP to 320 HP (+18 HP) and from 414 Nm to 435 Nm (+21 Nm).

Stage 1 remapping takes it from 302 HP to 320 HP (+18 HP, +6%) and torque from 414 Nm to 435 Nm (+21 Nm). These figures refer to the standard engine, with no hardware modifications.

A remap changes the factory calibration, so on a vehicle still under manufacturer warranty it may affect coverage on powertrain components. Performance tuning keeps all emission systems working; deactivating emission devices such as DPF, EGR or AdBlue is not road-legal in the EU and UK and is intended for off-road, motorsport or export use only.

With a normal driving style consumption usually stays the same or drops slightly: the extra torque at low rpm means less throttle for the same speed. Consumption goes up only if you actually use the additional power.

Yes. The original file is read and stored before any modification, so the vehicle can be returned to the factory calibration at any time.

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GMC
GMC Sierra 4.8 V8 302hp
+18 HP
320 HP