GMC Sierra 5.3 V8 355hp

Stock vs. Tune Maps remap

Measured values for the GMC Sierra 5.3 V8 355hp.

	Stock	Remap	Difference
Power	355 HP	375 HP	+20 HP
Torque	519 Nm	540 Nm	+21 Nm

From the factory the GMC Sierra with the 5.3 V8 355hp engine (2014 - 2016) delivers 355 HP and 519 Nm on petrol. With a Tune Maps remap the calibration is optimised to 375 HP and 540 Nm – that is 6% more power and 4% more torque, while staying within safe limits for engine and drivetrain. The engine is controlled by a Delco E92 ECU.

Measured values. Results can vary with vehicle condition, fuel quality and hardware.

Engine & ECU data