Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator (Included and only available with (K5L) Heavy-Duty Trailering Package.)
Alternator, 160 amps
Rear axle, 3.08 ratio
Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Brakes, 4-wheel antilock, 4-wheel disc, VAC power
GVWR, 7100 lbs. (3221 kg) (Standard on 2WD models.)
Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode
Rear wheel drive
Suspension Package, Autoride, bi-state variable shock dampening and rear air-assisted load-leveling includes (G69) automatic air level control
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
Suspension, front coil-over-shock with stabilizer bar
Suspension, rear multi-link with coil springs
Engine, Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol (with gas - 320 hp [238.6 kW] @ 5400 rpm, 335 lb-ft of torque [452.2 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243.1 kW] @ 5300 rpm, 348 lb-ft of torque [469.8 N-m] @ 4400 rpm), iron block
Differential, heavy-duty locking rear
SAFETY
Stolen Vehicle Assistance (Deleted when (UE0) OnStar delete is ordered.)
StabiliTrak, stability control system with traction control
OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Stolen Vehicle Slowdown and Remote Ignition Block, Remote Door Unlock, Turn-by- Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Visit onstar.com for details and system limitations.)
Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
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 child's age and size. Even in vehicles equipped with air bags and the Passenger Sensing System, children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the Owner's Manual and child safety seat instructions for more safety information.)
Air bags, head curtain side-impact, first and second row outboard seating positions with rollover sensor, includes third row seating positions with (AS3) 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 seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
Safety belts, 3-point, driver and front passenger in all seating positions
Rear Parking Assist, Ultrasonic with audible warning
LATCH system (Lower Anchors and Top tethers for CHildren) for child safety seats
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Daytime Running Lamps with automatic exterior lamp control
Rearview camera system
Tire Pressure Monitoring System air pressure sensors in each tire with pressure display in Driver Information Center (does not apply to spare tire)