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.)
Hill Descent Control
Transfer case, electric, 2-speed AutoTrac
Locking/Limited Slip Differential
Four Wheel Drive
Hitch Guidance, trailering assist guideline (Included and only available with (LGZ) 3.6L DI DOHC V6 engine or (LWN) 2.8L Duramax Turbo-Diesel engine.)