Engine, 6.2L EcoTec3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (420 hp [313 kW] at 5600 rpm, 460 lb-ft of torque [624 Nm] at 4100 rpm)
Rear axle, 3.23 ratio
GVWR, 7500 lbs. (3402 kg) (Standard on 4WD models with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Standard on 2WD models with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Automatic Stop/Start (Vehicles built between October, 2021 and December 12, 2021 with a V8 engine, will be forced to have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. Beginning with production starting December 13, 2021, (KL9) Automatic Stop/Start will be forced on as standard content. See dealer for details.)
Engine control, stop/start system disable button, non-latching (Vehicles built between October, 2021 and December 12, 2021 with a V8 engine, will be forced to have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. Beginning with production starting December 13, 2021, (ENL) Engine control stop/start disable button will be forced on as standard content. See dealer for details.)
Engine, 4.3L EcoTec3 V6 with Active Fuel Management, (285 hp [212 kW] at 5300 rpm, 305 lb-ft of torque [413 Nm] at 3900 rpm)
Rear axle, 3.42 ratio
Durabed, pickup bed
GVWR, 6800 lbs. (3084 kg) (Requires 2WD model with (LV3) 4.3L EcoTec3 V6 engine or (L3B) 2.7L Turbo engine or 2WD Double Cab model and (L82) 5.3L EcoTec3 V8 engine.)
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
LTZ Plus Package includes (PCZ) LTZ Convenience Package and (PQB) Safety Package (Dealers in the following states may order (TUF) Texas Edition badging: Arkansas, Louisiana, New Mexico, Oklahoma and Texas.) (Dealers in the following states may order (TUF) Texas Edition badging: Arkansas, Louisiana, New Mexico, Oklahoma and Texas. Deleted when (RG7) Fleet LTZ Base Content Delete is ordered.)
Rear axle, 3.23 ratio
Durabed, pickup bed
GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package.)
Engine, 5.3L EcoTec3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] at 5600 rpm, 383 lb-ft of torque [518 Nm] at 4100 rpm)
Rear axle, 3.23 ratio
Suspension, Premium Smooth Ride
GVWR, 7500 lbs. (3402 kg) (2WD models only with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Alternator, 150 amps (Not included with (PDE) LT eAssist Package.)
Airbags, Frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Driver inboard seat-mounted side-impact airbag; Head-curtain airbags for all rows in outboard seating positions (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Alternator, 220 amps (Included and only available with (L3B) 2.7L Turbo engine, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (NHT) Max Trailering Package.)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted