Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management capable of running on unleaded or up to 85% ethanol (310 hp [231.1 kW] @ 5200 rpm
335 lb-ft of torque [452.3 N-m] @ 4400 rpm)
aluminum block (Requires 4WD 1/2 ton models.)
GVWR
7400 lbs. (3357 kg) (Requires 4WD 1/2 ton models.)
Rear axle
3.42 ratio (1/2 ton models only. Standard on 4WD models. Required with (K5L) Heavy-Duty Trailering Package on 2WD models.)
Steering
power
Suspension Package
Autoride bi-state variable shock dampening and rear air-assisted load-leveling
includes (G69) automatic air level control
Suspension
front coil-over-shock with stabilizer bar (1/2 ton models only.)
Suspension
rear multi-link with coil springs (1/2 ton models only.)
Trailering equipment includes trailering hitch platform
7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and (VR4) 2" trailering receiver
Transfer case
electronic Autotrac with rotary controls (Not available on 2WD models.)
Transmission
6-speed automatic heavy-duty
electronically controlled with overdrive and tow/haul mode (Requires 1/2 ton models.)
Air bags
dual-stage frontal
driver and right-front passenger with Passenger Sensing System (right-front passenger air bag status on overhead console) (Always use safety belts and the correct child restraints for your childs age and size. Even in vehicles equipped with air bags and the Passenger Sensing System
children are safer when properly sec
Air bags
head curtain side-impact
first and second row outboard seating positions with rollover sensor includes third row seating positions with (AS3) 3-passenger third row bench seat (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear help reduce the risk of head and neck injuries to front
Daytime Running Lamps with automatic exterior lamp control
LATCH system (Lower Anchors and Top tethers for CHildren) for child safety seats
OnStar
1-year of Safe and Sound plan. Includes the innovative easy to use Turn-by-Turn Navigation services which provide voice-guided directions (where available). Also includes Automatic Crash Notification
Automatic Notification of Air Bag Deployment
Stolen Vehicle Location Assistance
a link to all Emergency Services
Roadside Assistance
Remo
Safety belts
3-point
driver and front passenger in all seating positions