| Manufacturer Name | General Motors |
| Manufacturer Code | GMX |
| Car Class | 13 |
| Car Class Details | Standard Pick-up Trucks 4WD |
| Model Type (Manufacturer) | |
| Release Date | 10/4/2021 |
Engine Specifications
| Model Type | SIDI; Stop-Start; |
| Engine Displacement | 6.2 liters |
| Number of Cylinders | 8 |
| Transmission | Auto(A10) |
| Aspiration Method | NA |
| Aspiration Description | Naturally Aspirated |
| Variable Valve Timing | Y |
| Variable Valve Timing Details | cam phaser |
| Variable Valve Lift | N |
| Cam-less Valvetrain? | N |
| Intake Valves/Cylinder | 1 |
| Exhaust Valves/Cylinder | 1 |
| Cylinder Deactivation | Y |
| Cylinder Deactivation Details | dynamic fuel management |
| Model Type | SIDI; Stop-Start; |
EV / HEV
Fuel And Fuel Effiency
| Fuel Efficiency Rating (On Label) | 3 |
| Estimated Fuel Cost (Annual) | $2750 |
| Fuel Cost (Annual) - EPA Calculated | $2750 |
| Expected Fuel Cost Over Next 5 Years | $7250 |
| Gas Guzzler Description | Truck |
| Conventional Fuel Efficiency - City/Highway/Combo | 14 / 18 / 16 |
| Conventional Fuel Efficiency - City/Highway/Combo | 18.3008 / 21.7347 / 21.7347 (Unadjusted) |
| Max. Ethanol Percent | 10 |
| Fuel Type (Conventional) Details | Gasoline (Premium Unleaded Recommended) |
| Fuel Metering System | Spark Ignition Direct Injection |
| Engine Start/Stop System | Yes |
Transmission System
| Transmission | A |
| Description | Automatic |
| Number of Gears | 10 |
| Lockup Torque Converter | Y |
| Creeper Gear | N |
| Drive System | 4 |
| Drive Description | 4-Wheel Drive |
Misc.
| Recommended Oil Viscosity | 0W20 |
| Conventional Fuel CO2 Production City/Highway/Comb. | 635 / 494 / 555 |
Smog And Pollution
| Greehouse Gas (GHG) Score | 3 |
| Smog Rating Test Group | NGMXT06.2375 |
| Mfr. Smog Rating | 6 |
| Testing Method | Derived Vehicle Specific 5-cycle Calculation Approach for city label but Modified 5-cycle Calculation Approach for Highway label |
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