Experience The Diamond Difference. If you're looking for a vehicle that delivers on performance, utility, comfort, or value, this 2021 GMC Yukon XL Denali may be just the ticket... Vehicle Highlights: Premium Capability Package with Active Response 4WDAir Ride Adaptive SuspensionElectronic Limited Slip Differential (eLSD)Max Trailering PackageExtra Capacity Cooling SystemProGrade Trailering SystemIntegrated Trailer Brake ControllerHitch Guidance with Hitch ViewIn-Vehicle Trailering AppTrailer Side Blind Zone AlertAdvanced Technology PackageRear Camera Mirror WasherInside Rearview Auo-Dimming Rear Camera MirrorAdaptive Cruise ControlEnhanced Automatic Emergency BrakingAdvanced Security PackageTheft-Deterrent Alarm SystemVehicle Inclination SensorVehicle Interior Movement SensorGlass Breakage SensorDenali Ultimate PackagePreferred Equipment Group 5SA12-Way Power Seat Adjusters2 Presets For Outside Rearview Mirrors3rd Row 60/40 Power-Folding Split-Bench SeatPower Release 2nd Row Bucket SeatsChrome Door Handles with Body-Color StripGalvano Bodyside MoldingsBright Front and Rear Door Sill PlatesInside Rearview Auto-Dimming MirrorOutside Heated Power-Adjustable MirrorsSafety Alert SeatAM/FM/SiriusXM Radio with NavigationHill Descent ControlHeated Driver and Front Passenger SeatsHeated 2nd Row Outboard Position SeatsHeated Automatic Steering WheelHeated and Ventilated Driver and Front Passenger SeatsDual Exhaust SystemPower Tilt and Telescopic Steering Column2-Speed Electronic Autotrac Active Transfer CaseGMC Pro Safety PlusHands-Free Power Programmable Rear LiftgateUniversal Home RemoteRear Pedestrian AlertHD Surround Vision15" Diagonal Multi-Color Head-Up DisplayMagnetic Ride Control Suspension Safety and Security Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead. Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.Technology and Telematics Android Auto/Apple CarPlay smart device wireless mirroring Apple CarPlay/Android Auto smart device wireless mirroring Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicles private mobile hotspot and take the internet wherever your journey takes you, without eating up your data allowance. Find the hotspot with mobile hotspot. Other Options/Features EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, DURAMAX 3.0L TURBO-DIESEL I6, TRANSMISSION, 10-SPEED AUTOMATIC, REAR AXLE, 3.23 RATIO, WHEELS, 22" X 9" (55.9 CM X 22.9 CM) BRIGHT MACHINED ALUMINUM WITH PREMIUM PAINT, TIRES, 275/50R22SL ALL-SEASON, BLACKWALL, ONYX BLACK, SEATS, FRONT BUCKET, JET BLACK, PERFORATED LEATHER SEATING SURFACES, SEATS, SECOND ROW BUCKET, POWER RELEASE, AUDIO SYSTEM, 10.2" DIAGONAL GMC INFOTAINMENT SYSTEM WITH NAVIGATION, DENALI ULTIMATE PACKAGE, ADVANCED TECHNOLOGY PACKAGE, MAX TRAILERING PACKAGE, ADVANCED SECURITY PACKAGE, BODY SECURITY CONTENT, PROGRADE TRAILERING SYSTEM, PREMIUM CAPABILITY PACKAGE WITH ACTIVE RESPONSE 4WD, FUEL, DIESEL B20, ENGINE BLOCK HEATER, DIFFERENTIAL, ELECTRONIC LIMITED-SLIP (ELSD), BATTERY, 900 COLD-CRANKING AMPS WITH 95 AMP HOUR RATING, ALTERNATOR, 250 AMPS, TRAILER BRAKE CONTROLLER, INTEGRATED, SUSPENSION, AIR RIDE ADAPTIVE, EXHAUST, SINGLE SYSTEM, SINGLE-OUTLET, LPO, WHEEL LOCKS, SUNROOF, POWER PANORAMIC, DUAL-PANE, ACTIVE AERO SHUTTERS, UPPER AND LO