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GMC Sierra 5.3 V8 355hp

2017 ->

355 Original HP
375 Modified HP
519 Original NM
540 Modified NM
Print Certificate
GMC Sierra

GMC Sierra 2017 -> 5.3 V8 355hp

Key Specifications

Generazione 2017 ->
Carburante Petrol
Power 355 → 375 hp +20 hp
Torque 519 → 540 Nm +21 Nm
Power
375 HP
+20 HP (+5.6%)
Original 355 HP
Stage 1 375 HP
Torque
540 NM
+21 NM (+4%)
Original 519 NM
Stage 1 540 NM

Power Graph

Original Power 355HP
Original Torque 519Nm
Power After Remap 375HP
Torque After Remap 540Nm

Discover Our Tuning Solutions

Frequently Asked Questions - GMC Sierra

The cost of Stage 1 tuning for GMC Sierra 5.3 V8 355hp 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 355 to 375 HP (+6%) is within safe parameters.

With Stage 1 tuning, GMC Sierra goes from 355 HP to 375 HP (+20 HP) and from 519 Nm to 540 Nm (+21 Nm).

Stage 1 remapping takes it from 355 HP to 375 HP (+20 HP, +6%) and torque from 519 Nm to 540 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 5.3 V8 355hp
+20 HP
375 HP