2013 GMC Yukon XL Denali

Differential, heavy-duty locking rear
Trailering equipment, heavy-duty includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and (VR4) 2" trailering receiver
Automatic air level control
Suspension, rear multi-link with coil springs
Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode, tap up/tap down shifting (1/2 ton models only.)
Suspension Package, Autoride, bi-state variable shock dampening and rear air-assisted load-leveling includes (G69) automatic air level control
Tools, mechanical jack and wheel wrench, stored in rear quarter trim
Powertrain grade braking
Suspension Package, Autoride, Bi-state variable shock dampening and rear air-assisted load-leveling includes automatic air level control
Rear axle, 3.42 ratio
GVWR, 7200 lbs. (3266 kg) (Not available on AWD models.)
Alternator, 160 amps (Requires (VYU) Snow Plow Prep Package on 3/4 ton models.)
Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver-side of radiator
Alternator, 160 amps
Rear wheel drive
Steering, power
Engine, Vortec 6.2L Variable Valve Timing V8 SFI , Active Fuel Management with E85 FlexFuel capability (403 hp [300.5 kW] @ 5700 rpm, 417 lb-ft of torque [562.9 N-m] @ 4300 rpm)
Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
Brakes, 4-wheel antilock, 4-wheel disc
Exhaust, aluminized stainless-steel muffler and tailpipe
Suspension, front coil-over-shock with stabilizer bar
SAFETY
Side Blind Zone Alert
Tire Pressure Monitor System air pressure sensors in each tire with pressure display in Driver Information Center (does not apply to spare tire)
Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
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, head curtain side-impact for all outboard seating positions with rollover sensor (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
LATCH system (Lower Anchors and Top tethers for CHildren), for child safety seats
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
Stolen Vehicle Assistance (Deleted when (UE0) OnStar delete is ordered.)
Air bags, dual-stage frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Rear Park Assist with audible warning
Air bags, dual-stage frontal, driver and right-front passenger with Passenger Sensing System (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 for all outboard seating positions with rollover sensor (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.)
OnStar, 6 months of Directions and Connections plan includes, Automatic Crash Response, Emergency Services, Crisis Assist, First Assist, Injury Severity Predictor, Stolen Vehicle Assistance, Stolen Vehicle Slowdown, Remote Ignition Block, Remote Door Unlock, Roadside Assistance, Remote Horn and Lights, Turn-by-Turn Navigation with OnStar eNav, Destination Download (requires navigation radio), OnStar Vehicle Diagnostics, Hands Free Calling and available OnStar RemoteLink mobile app. (Visit onstar.com for details and system limitations.)
StabiliTrak, stability control system with Proactive Roll Avoidance and Traction Control. Includes Electronic Trailer Sway Control and Hill Start Assist
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Rear Vision Camera (Note: images appear on Navigation screen for units equipped with (UYS) AM/FM stereo with MP3 compatible CD/DVD player and navigation. For units not equipped with Navigation systems images will appear within rearview mirror.)