GMC Envoy 4.2i - 270hp

Stock vs. Tune Maps remap

Measured values for the GMC Envoy 4.2i - 270hp.

	Stock	Remap	Difference
Power	270 HP	290 HP	+20 HP
Torque	373 Nm	395 Nm	+22 Nm

From the factory the GMC Envoy with the 4.2i - 270hp engine (2002 - 2010) delivers 270 HP and 373 Nm on petrol. With a Tune Maps remap the calibration is optimised to 290 HP and 395 Nm – that is 7% more power and 6% more torque, while staying within safe limits for engine and drivetrain.

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

Engine & ECU data