2026 GMC Sierra 2500HD AT4X Crew Cab 4WD

Legacy Buick GMC of Laurel is excited to offer this 2026 GMC Sierra 2500HD AT4X. You deserve a vehicle designed for higher expectations. This GMC Sierra 2500HD AT4X delivers with a luxurious, well-appointed interior and world-class engineering. Taking the road less traveled has never been more fun than with this 4WD. With improved performance, mileage and acceleration, this 2026 4WD GMC Sierra 2500HD AT4X is king of the off-road. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 2500HD AT4X will definitely turn heads. You can finally stop searching... You've found the one you've been looking for.

Additional Information

LPO, MultiPro Tailgate Audio System by Kicker|Wireless phone projection for Apple CarPlay and Android Auto|SiriusXM Trial Subscription|SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)|Bluetooth for phone connectivity to vehicle infotainment system|Audio System, 13.4 diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot|Wheels, 18 (45.7 cm) machined aluminum wheel with High Gloss black accents|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|Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps|Sunroof, power|Glass, deep-tinted|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Fog lamps, LED|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|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.)|Wipers, front rain-sensing|Mirror caps, high gloss Black|Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31 [84.25mm]) lighting|Moldings, beltline, Black|CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Bumper, front, body-color lower (Bumper color will be High Gloss Black.)|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Wheelhouse liners, rear|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Tire, spare, LT305/70R18-126/123R, 35 M/T|Tires, LT305/70R18-126/123R, 35 M/T|Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)|Door handles, body-color (With (ULV) AT4X AEV Edition door handles will be Gloss black.)|Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)|Bumper, rear body-color with bumper CornerSteps (Bumper color will be High Gloss Black.)|Assist steps, power retractable, Black includes LED lighting (Not available with any other assist steps.)|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|Wheel, Spare 18 (50.8 cm)|Premium Floor Liners with removable carpet insert, front|Seats, heated second row outboard seats|Steering wheel, leather-wrapped|Seat adjuster, driver 16-way power including lumbar and massage|Premium Floor Liners with removable carpet insert, rear|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Keyless Open and Start includes remote keyless entry|Driver memory recalls driver presets for power driver seat and outside mirrors|Windows, power front, drivers express up/down|Door locks, power|Floor covering, color-keyed carpeting|Steering column, manual Tilt-Wheel and telescoping|Universal Home Remote|USB ports, (2) charge-only, rear|Window, power, rear sliding with rear defogger|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|USB Ports, 2, Charge/Data ports located inside center console|Defogger, rear-window electric|Remote vehicle starter system|Compass, located in instrument cluster|Steering wheel audio controls|Seats, ventilated driver and front passenger|Multicolor 15 Diagonal Head-Up Display|Rear Seat Reminder|Wireless Charging|Window, power front, passenger express up/down|Exterior Temperature Display, located in radio display|Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)|Theft-deterrent system, unauthorized entry|Air vents, rear|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|Seat adjuster, passenger 16-way power including lumbar and massage|Steering wheel, heated|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Seating, heated driver and front outboard passenger|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Windows, power rear, express down|Seats, front bucket with center console|Air conditioning, dual-zone automatic climate control|Adaptive Cruise Control|Rear Camera Mirror inside rearview auto-dimming with full camera display|Seat trim, Full Grain Leather|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|USB Ports, 2 (first row) located on console|Recovery hooks, Red (Deleted with (ULV) AT4X AEV Edition.)|Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|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.)|Hill Descent Control|Skid Plates, Transfer case, steel|Four wheel drive|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|GVWR, 11,025 lbs. (5001 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18, 20 or 22 wheels.)|Pickup bed includes bed assist step|Brake lining wear indicator|Suspension, Off-Road Includes, 1.5 suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500|Transfer case, two-speed active, electronic Autotrac with push button control|In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)|Air filter, heavy-duty|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Differential, driver-selectable full-locking rear, e-locking|Push Button Start|Skid Plates, front aluminum|Air filtration monitoring|Transmission, 10-Speed automatic|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Cooling, external engine oil cooler|Trailer brake controller, integrated|Cooling, auxiliary external transmission oil cooler|Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking|Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance|ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App|OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)|Seat Belt Adjustable Guide Loops, front row only|OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes select remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)|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.)|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|Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)|Front and Rear Park Assist, ultrasonic|Safety Alert Seat|Rear Seat Belt Indicator|Trailer Side Blind Zone Alert|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|LED Signature DRL's|Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|Rear Cross Traffic Alert|Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering|Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories|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.)|HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.|Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|Trailer Camera Provisions and trailer viewing software|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist|Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching|Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)|Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)|Daytime Running Lamps, LED signature lighting|Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt