Engine, 3.6L DI DOHC V6 VVT (308 hp [230.0 kW] at 6800 rpm, 275 lb-ft of torque [373 N-m] at 4000 rpm) (Standard on Crew Cab models.)
Rear axle, 3.42 ratio (Requires (LGZ) 3.6L DI DOHC V6 engine or (LWN) 2.8L Duramax Turbo-Diesel engine on Crew Cab Short Box models. Standard on Crew Cab Long Box models.)
GVWR, 6000 lbs. (2722 kg) (Standard on Crew Cab models with (LGZ) 3.6L DI DOHC V6 engine only.)
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, Magnetic Ride Control
GVWR, 7700 lbs. (3493 kg) (4WD models only.)
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.)