Meet the 2026 GMC Sierra 3500HD SLE, a heavy-duty diesel pickup engineered for demanding work and reliable performance.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD capability- Gooseneck/5th Wheel Prep Package for serious towing applications- Premium GMC Infotainment System with 13.4 diagonal display- SiriusXM with 360L trial subscription and wireless phone projection- Adaptive Cruise Control and Lane Departure Warning System- HD Surround Vision with multiple camera provisions for trailer monitoring- Automatic Emergency Braking and Forward Collision Alert- 10-Way Power Driver Seat with lumbar support and heated function- Dual-Zone Automatic Climate Control with heated steering wheel- Ultrasonic Front and Rear Park Assist with trailer side blind zone alert- LED fog lamps and automatic high-beam capability- Remote Vehicle Starter System and keyless open and start- 220 Amp Alternator and heavy-duty 80 amp-hour battery for extended operationThis Sierra 3500HD combines serious capability with daily comfort. The Duramax diesel powerplant delivers the torque serious jobs demand, while the comprehensive suite of safety technologies provides confidence on every mile. The interior balances functionality with convenience, featuring supportive heated seats, intuitive controls, and seamless smartphone integration. Whether you're managing a job site or hauling a gooseneck trailer, this truck handles the responsibility with composed authority.The truck's exterior reflects its professional purpose with chrome accents, LED lighting throughout, and a spray-on bedliner that protects your payload. The 18-inch machined aluminum wheels provide a solid stance, while power-adjustable mirrors with heating ensure visibility in all conditions. Deep-tinted glass reduces cabin glare during long hauls.Technology enhances both capability and convenience. The bed view camera with trailer camera provisions gives you complete visibility when backing equipment into position. The in-vehicle trailering app puts critical information at your fingertips, while hitch guidance with hitch view simplifies the most challenging maneuvers. Steering wheel audio controls keep your focus on the road.This white 2026 Sierra 3500HD SLE represents a truck built for serious work without compromise. With its proven diesel architecture, thoughtful cabin design, and comprehensive safety suite, it's ready to earn its keep day after day. Contact us to schedule your test drive and experience this capable truck firsthand. 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:

Cloth Rear Seat with Storage Package,Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 3SA,Preferred Package,Remote Start Package,Sierra HD Pro Safety Plus Package,SLE Convenience Package,SLE Heated Package,SLE Value Package,Suspension Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,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,Dual-Zone Automatic Climate Control,Electric Rear-Window Defogger,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,4-Way Manual Driver Seat Adjuster,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,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,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Auto High-beam Headlights,Delay-off headlights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Unauthorized Entry Theft-Deterrent System,Adaptive Cruise Control,Speed control,2-Speed Electronic Shift Transfer Case,220 Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp-Hour Battery,Bed Mounted Assist Handle,Bumpers: chrome,Chrome Surround Grille with Chrome Insert Bars,Front License Plate Kit,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Fog Lamps,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Power-Adjustable Black Outside Mirrors,Rear step bumper,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,Auto-Dimming Inside Rear-View Mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Cloth Seat Trim,Compass,Driver door bin,Driver vanity mirror,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,Tachometer,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Upfitter Switch Kit (5),Voltmeter,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,4-Way Manual Passenger Seat Adjuster,Heated Driver and Front Outboard Passenger Seats,Split folding rear seat,Front Center Armrest w/Storage,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering App,18 inch Machined Aluminum Wheels,Alloy wheels,Deep-Tinted Glass,Power Sliding Rear Window with Defogger,Variably intermittent wipers,ADAPTIVE CRUISE CONTROL,SLE HEATED PACKAGE includes (KA1) heated driver and passenger seats (KI3) heated steering wheel,MIRRORS OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING WITH HEATED AND AUTO-DIMMING UPPER GLASS lower convex mirrors turn signal indicators puddle lamps (U12) perimeter lighting auxiliary lighting power folding/manual extending (extends 3.31 [84.25mm]) Black Includes Perimeter Lighting and (DD8) auto-dimming rearview mirror.),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,REMOTE VEHICLE STARTER SYSTEM,AIR CONDITIONING DUAL-ZONE AUTOMATIC CLIMATE CONTROL,SLE CONVENIENCE PACKAGE includes (CJ2) dual climate control (A2X) 10-way power driver seat including power lumbar (N37) manual tilt/telescoping steering column and (T3U) LED fog lights; Single rear wheel models also include (U01) Roof Marker Lamps,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),JET BLACK CLOTH SEAT TRIM,TRANSMISSION 10-SPEED AUTOMATIC,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.),SLE PREFERRED EQUIPMENT GROUP includes standard equipment,FRONT AND REAR PARK ASSIST ULTRASONIC,TRAILER SIDE BLIND ZONE ALERT,DEFOGGER REAR-WINDOW ELECTRIC,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.),SLE VALUE PACKAGE includes (PCQ) SLE Convenience package (CGN) Bedliner Spray-on (ZM9) SLE Heated Package and (B59) Remote start package,FOG LAMPS LED,SEAT ADJUSTER DRIVER 10-WAY POWER INCLUDING LUMBAR,SEATS FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (STD),WINTER GRILLE COVER,WINDOW POWER REAR SLIDING with rear defogger,UNIVERSAL HOME REMOTE,ENGINE BLOCK HEATER,WHEELHOUSE LINERS REAR,UPFITTER SWITCH KIT (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.,ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support),MIRROR INSIDE REARVIEW AUTO-DIMMING,SUMMIT WHITE,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.,PREFERRED PACKAGE includes (UET) In-Vehicle Trailering App (PZ8) Hitch Guidance with Hitch View (KSG) Adaptive Cruise Control (UF2) cargo bed LED lighting (UG1) Universal Home Remote and (A48) rear sliding power window Crew Cab models include (R7O) Cloth Rear Seat Storage Package.),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,REAR AXLE 3.42 RATIO,REAR CROSS TRAFFIC ALERT,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 (UET) In-Vehicle Trailering App.,THEFT-DETERRENT SYSTEM UNAUTHORIZED ENTRY,HITCH GUIDANCE WITH HITCH VIEW with image adjustment Pan/Zoom/Tilt,STEERING WHEEL HEATED,TRAILER CAMERA PROVISIONS AND TRAILER VIEWING SOFTWARE,REMOTE START PACKAGE includes (BTV) Remote Start (UTJ) content theft alarm and (C49) rear-window defogger,GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS,PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT FRONT,EXHAUST BRAKE,BEDLINER SPRAY-ON Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel),WHEELS 18 (45.7 CM) MACHINED ALUMINUM WHEEL with Dark Grey metallic accents (STD),TIRES LT275/70R18E ALL-TERRAIN BLACKWALL (STD),STEERING COLUMN MANUAL TILT-WHEEL AND TELESCOPING,LED CARGO AREA LIGHTING located in cargo bed activated with switch on center switch bank or key fob,ALTERNATOR 220 AMPS,SEAT CLOTH REAR WITH STORAGE PACKAGE 60/40 FOLDING BENCH FOR CREW CAB MODELS includes seatback storage on left and right side center fold out armrest with 2 cupholders (includes child seat top tether anchor),SEATING HEATED DRIVER AND FRONT OUTBOARD PASSENGER,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,Heated Mirrors,Power Mirror(s),Integrated Turn Signal Mirrors,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,Split Bench Seat,Cloth Seats,Pass-Through Rear Seat,Rear Bench Seat,Floor Mats,Floor Mats,Adjustable Steering Wheel,Steering Wheel Audio Controls,Power Windows,Power Windows,Power Door Locks,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,MP3 Capability,Auxiliary Audio Input,A/C,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 H