2026 GMC Sierra 3500HD AT4 Crew Cab 4WD

Thank you for choosing Marianna Chevrolet Buick GMC, this Summit White 2026 GMC Sierra 3500HD AT4 is a great choice! Checkout the following: City 0/HWY 0 Unleash the power of the 2026 GMC Sierra 3500HD AT4, a robust beast with zero miles ready for any terrain. Boasting a formidable 8-cylinder engine and a seamless 10-speed automatic transmission, this Crew Cab Pickup offers unrivaled performance and unstoppable strength. Its exterior gleams in Summit White, while the interior exudes sophistication with Jet Black and Kalahari accents, ensuring both style and comfort on every journey. EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, 10-SPEED AUTOMATIC, GVWR, 12,100 LBS. (5488 KG) WITH SINGLE REAR WHEELS, REAR AXLE, 3.42 RATIO, TIRES, LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3, SUMMIT WHITE, JET BLACK WITH KALAHARI ACCENTS, PERFORATED FRONT LEATHER SEATING SURFACES, AT4 PREMIUM PLUS PACKAGE, GOOSENECK / 5TH WHEEL PREP PACKAGE, LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS, 3 YEARS ONSTAR ONE OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT: AT4 Premium Plus Package ($4,035 value)Power SunroofOff-Road High Clearance StepTechnology PackageAuto-Dimming Inside Rearview Mirror with CameraMulticolor 15 Diagonal Head-Up DisplayAT4 Preferred PackagePower Sliding Rear Window with DefoggerLED Smoked Amber Roof Marker LampsUniversal Home Remote 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 automatically take preventative steps to avoid hitting the pedestrian.Technology and Telematics Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. Buick & GMC Consumer Cash Program, #26-40ACB-004, $500 expires: 04/01/2026, Buick GMC Bonus Cash, #26-40AG-005, $500 expires: 04/01/2026

Additional Information

X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks|ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)|Air filter, heavy-duty|Air filtration monitoring|Transfer case, two-speed active electronic Autotrac with push button control|Auto-locking rear differential|Four wheel drive|Cooling, external engine oil cooler|Cooling, auxiliary external transmission oil cooler|Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Trailer brake controller, integrated|Recovery hooks, Red|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Skid Plates protect the oil pan, front axle and transfer case|Suspension, Off-Road includes twin-tube shocks|Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Brake lining wear indicator|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Tire, spare LT275/70R18 all-terrain, blackwall|Single rear wheels|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Bumper, front, body-color lower|Bumper, rear body-color with bumper CornerSteps|CornerStep, rear bumper|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Moldings, beltline, Black|Wheelhouse liners, rear|Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE), (TCE) or (TCH), not available with any other Ship Thru code.)|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Grille, Gloss Black header and grille insert bars with Black chrome accents|Fog lamps, LED|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])|Mirror caps, high gloss Black|Wipers, front rain-sensing|Glass, deep-tinted|Door handles, body-color|Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details|Tailgate and bed rail protection caps, top|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Seat adjuster, driver 10-way power including lumbar|Seat adjuster, passenger 10-way power including lumbar|Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)|Seats, heated second row outboard seats|Driver memory, recalls driver "presets" for power driver seat and outside mirrors|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Floor covering, color-keyed carpeting|Steering wheel, wrapped|Steering wheel, heated|Steering column, manual Tilt-Wheel and telescoping|Steering wheel audio controls|Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display|GMC Premium information Display- 13.4" diagonal Multicolor touch screen|Exterior Temperature Display located in radio display|Compass, located in instrument cluster|Window, power front, drivers express up/down|Remote vehicle starter system|ADAPTIVE CRUISE CONTROL|Wireless Charging|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|USB ports, (2) charge-only, rear|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Air conditioning, dual-zone automatic climate control|Air vents, rear|Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist|Hill Descent Control|Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat 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.)|Front and Rear Park Assist, Ultrasonic|Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions|Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching|TRAILER CAMERA PROVISIONS AND TRAILER VIEWING SOFTWARE|Rear Cross Traffic Alert|Trailer Side Blind Zone Alert|Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)|Safety Alert Seat|Rear seat reminder|Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver|Seat Belt Adjustable Guide Loops, front row only|Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)|Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)