This 2026 GMC Sierra 3500HD SLT delivers the capability and comfort you need for serious work and daily driving combined with refined luxury.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD- SLT Premium Package with premium safety and convenience features- GMC MultiPro Tailgate with six functional load and access features- Gooseneck/5th Wheel Prep Package for heavy-duty hauling- Spray-on Bedliner with GMC Logo and 6 Chrome assist steps- 20 Bright Face wheels with Dark Painted Pockets and all-terrain tires- Trailer Tire Pressure Monitor Sensors for up to 6 wheels- Power Sunroof with premium interior styling- Premium GMC Infotainment System with SiriusXM 360L trial subscription- Bose Premium 7-Speaker Sound System- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- Front and Rear Ultrasonic Park Assist with Hitch Guidance- Heated and Ventilated leather-appointed front seats with 10-way power adjustment- Wireless Phone Projection and Wireless ChargingThe heart of this Sierra is its legendary Duramax diesel engine, engineered to handle demanding work while delivering the torque and power you depend on. With an 80-amp-hour heavy-duty battery, 220-amp alternator, and engine block heater, this truck is built for reliability in any season or condition.Inside the cabin, you'll find meticulous attention to comfort and convenience. The heated and ventilated leather-appointed front seats adjust via 10-way power controls, while the heated steering wheel and automatic temperature control ensure comfort year-round. Premium floor liners protect your investment, and the floor-mounted center console provides practical storage.Technology on this Sierra keeps you connected and safe. The premium GMC Infotainment System with SiriusXM 360L trial subscription, wireless phone projection, and wireless charging integrate seamlessly into your routine. Advanced safety features including automatic emergency braking, lane departure warning, rear cross-traffic alert, and the Safety Alert Seat provide confidence behind the wheel.For towing and hauling, this truck excels. The Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness readies you for serious loads. Trailer Tire Pressure Monitor Sensors keep your trailer secure, while Hitch Guidance with Hitch View makes backing up straightforward.The GMC MultiPro Tailgate offers six functional load and access features, adapting to how you work. Combined with the spray-on bedliner, chrome assist steps, and 20 wheels wrapped in all-terrain tires, this Sierra handles both highway miles and jobsite demands.This 2026 Sierra 3500HD SLT represents a premium heavy-duty truck that refuses to compromise between capability, comfort, and technology. Come see it in person and experience the quality GMC engineering delivers. Price includes Price includes Dealer discount and GM rebates that all customers qualify for:$1000 - Buick & GMC Consumer Cash Program. Exp. 08/31/2026

Options:

Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SA,Sierra HD Pro Safety Plus Package,SLT Convenience Package,SLT Preferred Package,SLT Premium Package,Suspension Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Windows with Passenger Express Up/Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar Services capable,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Adaptive Cruise Control,Speed control,2-Speed Active Transfer Case,220 Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp-Hour Battery,Auto-dimming door mirrors,Bed Mounted Assist Handle,Bumpers: chrome,Chrome Surround Grille with Chrome Insert Bars,Front License Plate Kit,GMC MultiPro Tailgate,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports,2 Charge/Data USB Ports Inside Center Console,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front 40/20/40 Split-Bench Seats with Lockable Storage,Front Pedestrian Braking,Front reading lights,GMC Premium 13.4 inch Diagonal Information Display,HD Surround Vision,Heated steering wheel,Illuminated entry,Outside temperature display,Overhead console,Passenger vanity mirror,Premium Front Floor Liners with Removable Carpet Insert,Premium Rear Floor Liners with Removable Carpet Insert,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Perforated Leather-Appointed Front Outboard Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Front Center Armrest w/Storage,Passenger door bin,Hitch Guidance with Hitch View,Trailer Tire Pressure Monitor Sensors,18 inch Machined Aluminum Wheels,Alloy wheels,Wheels: 20 inch Bright Face with Dark Painted Pockets,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers,ADAPTIVE CRUISE CONTROL,BOSE SOUND SYSTEM PREMIUM 7-SPEAKER SYSTEM with Richbass woofer,WIRELESS CHARGING,SLT PREFERRED PACKAGE includes (KA6) rear heated seats (A48) rear sliding power window (UG1) Universal Home Remote and (KSG) Adaptive Cruise Control,DARK WALNUT/SLATE PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEATING POSITIONS,SIERRA HD PRO SAFETY PLUS PACKAGE includes (UKV) Trailer Side Blind Zone Alert (UFG) Rear Cross Traffic Alert and (UD5) Front and rear park assist; Crew Cab and Double Cab models include (UVN) Bed View Camera (UV2) HD Surround Vision and (TRG) Trailer Camera Provisions Includes (HS1) 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,LICENSE PLATE KIT FRONT,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. (STD),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,SLT PREFERRED EQUIPMENT GROUP includes standard equipment,TRANSMISSION 10-SPEED AUTOMATIC,SAFETY ALERT SEAT,GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). (Includes (CGN) Bedliner Spray-on.),SEATS HEATED SECOND ROW OUTBOARD SEATS,TRAILER SIDE BLIND ZONE ALERT,FRONT AND REAR PARK ASSIST ULTRASONIC,CENTER CONSOLE FLOOR-MOUNTED with cup holders cell phone storage power cord management hanging file folder capability,SEATS VENTILATED DRIVER AND FRONT PASSENGER,ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.),WINTER GRILLE COVER,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,WINDOW POWER REAR SLIDING with rear defogger,UNIVERSAL HOME REMOTE,ENGINE BLOCK HEATER,SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console (KQV) ventilated front seats (UBC) 2 USB Charge/Data ports first row inside center console (K4C) Wireless Charging and (UQA) Bose Premium Audio System; Single rear wheel models also include (U01) Roof Marker Lamps,ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support),SUNROOF POWER,SLT PREMIUM PACKAGE includes (PCY) SLT Convenience Package (PDY) SLT Preferred Package (PED) Sierra HD Pro Safety Plus Package (BVQ) 6 rectangular cab length Chrome assist steps and (CGN) Bedliner Spray-on. No substitutions to the above content.,ASSIST STEPS CHROMED TUBULAR 6 RECTANGULAR CAB LENGTH (factory installed),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.,LAMPS SMOKED AMBER ROOF MARKER (LED),PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT REAR,STERLING METALLIC,REAR AXLE 3.42 RATIO,REAR CROSS TRAFFIC ALERT,TRAILER CAMERA PROVISIONS AND TRAILER VIEWING SOFTWARE,GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS,USB PORTS 2 CHARGE/DATA PORTS LOCATED INSIDE CENTER CONSOLE,PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT FRONT,EXHAUST BRAKE,SEATS FRONT BUCKET WITH CENTER CONSOLE,BEDLINER SPRAY-ON Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel),WHEELS 20 (50.8 CM) BRIGHT FACE WHEELS WITH DARK PAINTED POCKETS,ALTERNATOR 220 AMPS,TIRES LT275/65R20 ALL-TERRAIN BLACKWALL,Lane Departure Warning,Front Collision Mitigation,Front Collision Warning,Automatic Highbeams,Tow Hitch,Running Boards/Side Steps,Keyless Start,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,Daytime Running Lights,LED Headlights,Automatic Highbeams,Fog Lamps,Heated Mirrors,Power Mirror(s),Integrated Turn Signal Mirrors,Power Folding Mirrors,Intermittent Wipers,Variable Speed Intermittent Wipers,Rain Sensing Wipers,Privacy Glass,AM/FM Stereo,Navigation System,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Satellite Radio,Requires Subscription,Satellite Radio,Requires Subscription,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,WiFi Hotspot,Leather Seats,Power Driver Seat,Driver Adjustable Lumbar,Power Passenger Seat,Passenger Adjustable Lumbar,Pass-Through Rear Seat,Rear Bench Seat,Heated Front Seat(s),Mirror Memory,Seat Memory,Floor Mats,Floor Mats,Heated Steering Wheel,Adjustable Steering Wheel,Steering Wheel Audio Controls,Tire Pressure Monitor,Power Windows,Power Windows,Power Door Locks,Remote Engine Start,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,Security System,MP3 Capability,Auxiliary Audio Input,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Front Collision Mitigation,Front Collision Warning,Traction Control,Stability Control,Daytime Running Lights,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscr