2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Welcome to Legacy Westbank Buick GMC. It's our pleasure to assist you with the purchase of your new or Pre-owned vehicle. Weather you purchase a brand new vehicle, Certified Pre-owned vehicle or a trade in vehicle, you can feel assured that this vehicle has been inspected by our ASE Certified mechanics and has a market based price to ensure this vehicle sells fast at a fair deal. We have a one of a kind car buying process, it's designed to be fast, friendly and fair with the customer in mind. So be sure to stop at Legacy Westbank Buick GMC, and let one of our Product Specialist help find your next ride. Pull up in the vehicle and the valet will want to parked on the front row. This GMC Sierra 2500HD AT4 is the vehicle others dream to own. Don't miss your chance to make it your new ride. When GMC created this vehicle with 4 wheel drive, they immediately enhanced the performance ability. Easily switch between two and four wheel drive to take advantage of the improved traction. This vehicle won't last long, take it home today. You can finally stop searching... You've found the one you've been looking for.

Additional Information

Wireless phone projection for Apple CarPlay and Android Auto|Bose Sound System, premium 7-speaker system with Richbass woofer|Bluetooth for phone connectivity to vehicle infotainment system|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.)|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.)|Door handles, body-color|Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps|Bumper, front, body-color lower|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Moldings, beltline, Black|Grille (Gloss Black header and grille insert bars with Black Chrome accents.)|Fog lamps, LED|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 (TCH), not available with any other Ship Thru code.)|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Wheelhouse liners, rear|Mirror caps, high gloss Black|Tailgate and bed rail protection caps, top|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|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|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|Bumper, rear body-color with bumper CornerSteps|Tire, spare LT275/70R18 all-terrain, blackwall|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|Wheels, 20 (50.8 cm) High Gloss black aluminum wheels 8 spokes|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Tires, LT275/65R20 all-terrain, blackwall|CornerStep, rear bumper|Wipers, front rain-sensing|Glass, deep-tinted|Windows, power rear, express down|Floor covering, color-keyed carpeting|Mirror, inside rearview auto-dimming|Windows, power front, drivers express up/down|Steering wheel audio controls|Seat trim, Perforated front Leather|Seating, heated driver and front outboard passenger|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)|USB Ports, 2, Charge/Data ports located inside center console|Compass, located in instrument cluster|Seats, front bucket with center console|Rear Seat Reminder|Premium Floor Liners with removable carpet insert, front|USB Ports, 2 (first row) located on console|Seat adjuster, driver 10-way power including lumbar|Seat adjuster, passenger 10-way power including lumbar|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Steering column, manual Tilt-Wheel and telescoping|Steering wheel, wrapped|Premium Floor Liners with removable carpet insert, rear|Window, power front, passenger express up/down|Keyless Open and Start includes remote keyless entry|Seats, heated second row outboard seats|Door locks, power|Seats, ventilated driver and front passenger|Steering wheel, heated|Wireless Charging|Air vents, rear|Adaptive Cruise Control|Air conditioning, dual-zone automatic climate control|Exterior Temperature Display, located in radio display|USB ports, (2) charge-only, rear|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|Remote vehicle starter system|Driver memory recalls driver presets for power driver seat and outside mirrors|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|Defogger, rear-window electric|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Theft-deterrent system, unauthorized entry|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Auto-locking rear differential|GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18, 20 or 22 wheels.)|Brake lining wear indicator|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)|Pickup bed includes bed assist step|Skid Plates protect the oil pan, front axle and transfer case|Air filter, heavy-duty|Suspension, Off-Road includes twin-tube shocks|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Transmission, 10-Speed automatic|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|Push Button Start|Recovery hooks, Red|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|Cooling, auxiliary external transmission oil cooler|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.)|Trailer brake controller, integrated|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.)|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Hill Descent Control|Cooling, external engine oil cooler|Air filtration monitoring|Transfer case, two-speed active, electronic Autotrac with push button control|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|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|X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks|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|Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)|Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching|Rear Cross Traffic Alert|Front and Rear Park Assist, ultrasonic|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 Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|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|OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)|Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)|Seat Belt Adjustable Guide Loops, front row only|Trailer Camera Provisions and trailer viewing software|Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist|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.)|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt|Daytime Running Lamps, LED signature lighting|Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)|Safety Alert Seat|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.)|Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)|Rear Seat Belt Indicator|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.|LED Signature DRL's|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|Trailer Side Blind Zone Alert|Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering