6.6L V8, Sierra 2500HD SLE, Crew Cab Pickup, 10-Speed Auto, 4WD. Thank you for choosing Holiday Buick GMC, this Onyx Black 2026 GMC Sierra 2500HD SLE is a great choice! Checkout the following: Customer-First Service: Our award-winning team treats you like family, backed by an excellent customer satisfaction rating.NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT:EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 6.6L V8, TRANSMISSION, 10-SPEED Auto, GVWR, 10,850 LBS. (4921 KG), REAR AXLE, 3.73 RATIO, WHEELS, 18 (45.7 CM) MACHINED ALUMINUM WHEEL, TIRES, LT275/70R18E ALL-TERRAIN, BLACKWALL, TIRE, SPARE LT275/70R18 ALL-TERRAIN, BLACKWALL, ONYX BLACK, SEATS, FRONT 40/20/40 SPLIT-BENCH, JET BLACK, CLOTH SEAT TRIM, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, X31 OFF-ROAD AND PROTECTION PACKAGE, PREFERRED PACKAGE, SLE CONVENIENCE PACKAGE, REMOTE START PACKAGE, SLE HEATED PACKAGE, X31 OFF-ROAD PACKAGE, SNOW PLOW PREP/CAMPER PACKAGE, HILL DESCENT CONTROL, ALTERNATOR, 220 AMP, IN-VEHICLE TRAILERING APP, SYSTEM, GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH., SKID PLATES, BEDLINER, SPRAY-ON, PICKUP BEDLINER, FOG LAMPS, LED, LED CARGO AREA LIGHTING, LAMPS, SMOKED AMBER ROOF MARKER, (LED), LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING, 3 YEARS SIRIUSXM, SEAT, CLOTH REAR WITH STORAGE PACKAGE, SEAT ADJUSTER, DRIVER 10-WAY POWER INCLUDING LUMBAR, SEATING, HEATED DRIVER AND FRONT OUTBOARD PASSENGER, LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS, STEERING WHEEL, HEATED, STEERING COLUMN, Man TILT-WHEEL AND TELESCOPING, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, REMOTE VEHICLE STARTER SYSTEM, ADAPTIVE CRUISE CONTROL, UNIVERSAL HOME REMOTE, THEFT-DETERRENT SYSTEM, UNAUTHORIZED ENTRY, AIR CONDITIONING, DUAL-ZONE Auto CLIMATE CONTROL, DEFOGGER, REAR-WINDOW ELECTRIC, HITCH GUIDANCE WITH HITCH VIEWSLE CONVENIENCE PACKAGE * DUAL-ZONE CLIMATE CONTROL * 10-WAY POWER DRIVER SEAT * Man TILT AND TELESCOPING STEERING COLUMN * LED FOG LAMPS * LED ROO ($915 value)10-Way Power Driver Seat Adjuster with LumbarA/C with Dual-Zone Auto Climate ControlSTEERING COLUMN, Man TILT AND TELESCOPINGLED Fog LampsLED Smoked Amber Roof Marker LampsX31 OFF-ROAD AND PROTECTION PACKAGE * OFF-ROAD SUSPENSION RANCHO SHOCKS * HILL DESCENT CONTROL * SKID PLATES * X31 BADGE * ALL-WEATHER FLOOR LINERS ( ($1,090 value)BEDLINER, SPRAY-ON18 Machined Aluminum WheelsALL TERRAIN TIRESALL-WEATHER FLOOR LINERS (DEALER INSTALLED)X31 OFF-ROAD PACKAGEHill Descent ControlSkid PlatesOff-Road SuspensionPreferred Equipment Group 3SASiriusXM with 360L Trial Subscription4-Way Man Driver Seat AdjusterDeep-Tinted GlassKeyless Open and StartPush Button StartChrome Surround Grille with Chrome Insert Bars120-VOLT BED-MOUNTED POWER OUTLET120 VOLT POWER OUTLET6.6L V8 with Direct Injection and VVT EngineTRANSFER CASE, TWO-SPEED, ELECTRONICSierra HD Pro SafetyWireless Phone ProjectionUSB PORTSUSB PORTS ON I.P.OnStar Services CapableSteering Wheel Audio ControlsRemote Start Package ($525 value)REMOTE VEHICLE STARTREAR-WINDOW DEFOGGERTHEFT-DETERRENT SYSTEMPREFERRED PACKAGE * IN-VEHICLE TRAILERING APP * HITCH GUIDANCE WITH HITCH VIEW * ADAPTIVE CRUISE CONTROL * LED CARGO BED LIGHTING * UNIVERSAL HOME REM ($1,415 value)POWER SLIDING REAR WINDOWAdaptive Cruise ControlHitch Guidance with Hitch ViewCloth Rear Seat with Storage PackageIn-Vehicle Trailering System AppLED Cargo Area LightingUniversal Home RemoteSNOW PLOW PREP/ CAMPER PACKAGE * ALTERNATOR, 220 AMPS * INCREASED FRONT GAWR * ROOF EMERGENCY LIGHT PROVISIONS W/PASS THROUGH ($150 value)220-Amp AlternatorSkid PlatesSLE Heated Package ($400 value)Heated Driver and Front Outboard Passenger SeatsHeated Steering WheelConvenience This intelligent cruise control system maintains a preset following distance behind another vehicle, Autoally braking or accelerating as required.Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants, for an impending forward collision. The vehicle constantly monitors the roadway in front of the vehicle and identifies and tracks pedestrians on an interior display. If the system determines a likely impact, it will Autoally take preventative steps to avoid hitting the pedestrian. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.Technology and Telematics Apple CarPlay/Android Auto smart device wireless mirroring Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. At Holiday Buick GMC, we’re here to Serve you! Our staff is 100% dedicated to customer satisfaction and we understand that you need clear, transparent information throughout the car buying process. With our live market pricing philosophy, we offer the right cars at the right price, and the transparency to back it up!