From 290 hp to about 310 hp: the GMC Envoy 5.3 V8 290hp (2002 – 2010) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 441 Nm to about 460 Nm.
This is a petrol engine with a displacement of 5,328 cc and engine code LM4.
Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map and Vmax.
Frequently asked questions
How much power and torque does a GMC Envoy 5.3 V8 290hp gain with Stage 1?
About 20 hp and 19 Nm: from 290 hp / 441 Nm to roughly 310 hp / 460 Nm. The exact gain depends on engine condition and fuel quality.
Which extra options are available for a GMC Envoy 5.3 V8 290hp?
DECAT, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map and Vmax.
Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.

