GMC Sierra
6.2 V8 420hp · 2017 -> · 6.2 V8 420hp
Vehicle
GMC Sierra 6.2 V8 420hp
Catalog data for tuning potential, ECU type and available read methods.
ECU
6.2 V8 420hp
Engine control unit identified for this engine version.
Power
420 → 440 HP
+20 HP / +5%
Torque
609 → 630 Nm
+21 Nm / +3%
Engine
6.2 V8 420hp
6.2 V8 420hp
Fuel Type
Not specified
6.2 V8 420hp
Power
420 → 450 HP
+30 HP / +7%
Torque
609 → 661 Nm
+52 Nm / +9%
Engine
6.2 V8 420hp
6.2 V8 420hp
Fuel Type
Not specified
6.2 V8 420hp
Read Methods
Read Method
Contact Support
Available Services
Upload File
Supported Services
Chip Tuning Stage 1, DTC Code Removal, Pops & Bangs Activation, Speed Limiter / VMAX Removal.