2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Here at Graff of Mt. Pleasant, we pride ourselves on providing the best service possible and leaving our customers with a smile. Whether the vehicles are on the lot or still in transit, feel free to call us or stop in to the dealership and we will be happy to answer any questions you may have. We have a wide variety of GM vehicles available. Check out our inventory and contact us to bring home your perfect vehicle today! You appreciate the finer things in life, the vehicle you drive should not be the exception. Style, performance, sophistication is in a class of its own with this stunning GMC Sierra 2500HD AT4. 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. The GMC Sierra 2500HD AT4 will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character. Just what you've been looking for. With quality in mind, this vehicle is the perfect addition to take home.

Additional Information

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|Bose Sound System, premium 7-speaker system with Richbass woofer|Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|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|Grille (Gloss Black header and grille insert bars with Black Chrome accents.)|Wheels, 20 (50.8 cm) High Gloss black aluminum wheels 8 spokes|Moldings, beltline, Black|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Bumper, front, body-color lower|Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps|Bumper, rear body-color with bumper CornerSteps|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|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.)|Wheelhouse liners, rear|Mirror caps, high gloss Black|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Door handles, body-color|Wipers, front rain-sensing|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|Cargo tie downs (12), fixed, rated at 500 lbs per corner|Tailgate and bed rail protection caps, top|Tires, LT275/65R20 all-terrain, blackwall|Glass, deep-tinted|Tire, spare LT275/70R18 all-terrain, blackwall|IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)|CornerStep, rear bumper|Fog lamps, LED|Bed Step, Black integrated on forward portion of bed on driver and passenger side|Air conditioning, dual-zone automatic climate control|Seating, heated driver and front outboard passenger|Seats, ventilated driver and front passenger|Compass, located in instrument cluster|Wireless Charging|Seat adjuster, driver 10-way power including lumbar|Air vents, rear|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)|Driver Information Center, enhanced, 12.3 diagonal reconfigurable multicolor digital display|Exterior Temperature Display, located in radio display|USB ports, (2) charge-only, rear|Windows, power rear, express down|Premium Floor Liners with removable carpet insert, front|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Rear Seat Reminder|USB Ports, 2, Charge/Data ports located inside center console|Steering wheel, heated|Seats, front bucket with center console|Seat trim, Perforated front Leather|Steering column, manual Tilt-Wheel and telescoping|Premium Floor Liners with removable carpet insert, rear|Steering wheel audio controls|Theft-deterrent system, unauthorized entry|Seats, heated second row outboard seats|Keyless Open and Start includes remote keyless entry|Remote vehicle starter system|USB Ports, 2 (first row) located on console|GMC Premium information Display- 13.4 diagonal Multicolor touch screen|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Window, power front, passenger express up/down|Floor covering, color-keyed carpeting|Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability|Driver memory recalls driver presets for power driver seat and outside mirrors|Seat adjuster, passenger 10-way power including lumbar|Defogger, rear-window electric|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Steering wheel, wrapped|Mirror, inside rearview auto-dimming|Windows, power front, drivers express up/down|Door locks, power|Adaptive Cruise Control|Pickup bed includes bed assist step|Skid Plates protect the oil pan, front axle and transfer case|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)|Suspension, Off-Road includes twin-tube shocks|Trailer brake controller, integrated|Recovery hooks, Red|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.)|Air filtration monitoring|Transmission, 10-Speed automatic|Transfer case, two-speed active, electronic Autotrac with push button control|Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section|Air filter, heavy-duty|GVWR, 11,050 lbs. (5012 kg) (Included and only available with TK20943 model and (L8T) 6.6L V8 gas engine with 18, 20 or 22 wheels.)|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Auto-locking rear differential|Cooling, external engine oil cooler|Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue|Hill Descent Control|Brake lining wear indicator|Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)|Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)|Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)|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.)|Cooling, auxiliary external transmission oil cooler|Four wheel drive|Push Button Start|Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance|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|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|Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist|Rear Seat Belt Indicator|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt|Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)|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.)|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.)|Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)|Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|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.|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.)|LED Signature DRL's|Trailer Side Blind Zone Alert|Seat Belt Adjustable Guide Loops, front row only|Rear Cross Traffic Alert|Front and Rear Park Assist, ultrasonic|Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)|Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)|Trailer Camera Provisions and trailer viewing software|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|Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)|OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)|Safety Alert Seat|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|Daytime Running Lamps, LED signature lighting