Rear axle 3.08 ratio (Requires 1/2 ton models. Not available with (K5L) Heavy-Duty Trailering Package.)
Suspension Package Premium Smooth Ride (1/2 ton models only.)
Differential heavy-duty locking rear
4-wheel drive
Transfer case active single-speed electronic Autotrac with rotary controls does not include neutral. Cannot be dinghy towed. (Requires (GU4) 3.08 rear axle ratio. Not available on 2WD models 3/4 ton models or with (K5L) heavy-duty trailering package.)