2013 GMC Yukon XL SLT 4X4

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, (K5L) heavy-duty trailering package or with (Z71) off-road suspension package.)
Suspension Package, Premium Smooth Ride (1/2 ton models only.)
Suspension, rear multi-link with coil springs (1/2 ton models only.)
Recovery hooks, 2 front, frame-mounted
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
Battery, 660 cold cranking amps with 80 amp hour rating
Rear axle, 3.08 ratio (Requires 1/2 ton models. Not available with (K5L) Heavy-Duty Trailering Package.)
Exhaust, aluminized stainless-steel muffler and tailpipe
Tools, mechanical jack and wheel wrench, stored in rear quarter trim
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 [239 kW] @ 5400 rpm, 335 lb-ft of torque [454 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243 kW] @ 5300 rpm, 348 lb-ft of torque [472 N-m] @ 4400 rpm), aluminum block (Requires 4WD 1/2 ton models.)
Suspension, front coil-over-shock with stabilizer bar (1/2 ton models only.)
Differential, heavy-duty locking rear
Transmission, 6-speed automatic electronically controlled with overdrive and tow-haul mode, tap up/tap down shifting (1/2 ton models only.)
4-wheel drive
GVWR, 7400 lbs. (3357 kg) (Requires 4WD 1/2 ton models.)
Powertrain grade braking
Alternator, 160 amps (Requires (VYU) Snow Plow Prep Package on 3/4 ton models.)
Brakes, 4-wheel antilock, 4-wheel disc
SAFETY
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
Rear Park Assist with audible warning
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.)
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, 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.)
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.)
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
StabiliTrak, stability control system with Proactive Roll Avoidance and Traction Control. Includes Electronic Trailer Sway Control and Hill Start Assist
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.)
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.)
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Stolen Vehicle Assistance (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.)
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.)