2026 GMC SIERRA 3500HD AT4
Popular Features
Vehicle Description
Volcanic Red Tintcoat 2026 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220 Amp Alternator, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, AT4 Preferred Package, AT4 Premium Plus Package, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror with Camera, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed Mounted Assist Handle, Bed View Camera with Two Trailer Camera Provisions, Black Front and Rear Molded Splash Guards, Bose Premium 7-Speaker Sound System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Gloss Black Header and Grille Insert Bars, GMC Premium 13.4" Diagonal Information Display, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp-Hour Battery, Hill Descent Control, Hitch Guidance with Hitch View, Hitch Package, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Keyless Open and Start, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15" Diagonal Head-Up Display, Occupant sensing airbag, Off-Road High Clearance Step, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Front Leather Seat Trim, Pickup Bed, Power door mirrors, Power driver seat, Power Front Windows with Passenger Express Up/Down, Power passenger seat, Power Sliding Rear Window with Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 4SB, Premium audio system: Premium GMC Infotainment System, Premium Front Floor Liners with Removable Carpet Insert, Premium Rear Floor Liners with Removable Carpet Insert, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, SiriusXM with 360L Trial Subscription, Snow Plow Prep/Camper Package, Speed control, Speed-sensing steering, Split folding rear seat, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Technology Package, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trip computer, Turn signal indicator mirrors, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Variably intermittent
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| VIN | 1GT4UVEY3TF336051 |
| Stock Number | G2756 |
| Condition | NEW |
| Year | 2026 |
| Make | GMC |
| Model | Sierra 3500HD |
| Package | AT4 |
| Mileage | NEW |
| Body Style | Pickup - Full Size |
| Engine | 6.6L 8 Cyl. Diesel |
| Transmission | Automatic |
| Drive Type | 4 Wheel |
| Color | Volcanic Red Tintcoat |
| Interior | Jet Black with Kalahari accents |
| Engine | |
| Engine Type | 6.6L 8 Cyl. Diesel |
| Horsepower | 470 @ 2800 rpm |
| Torque | 975 @ 1600 rpm |
| Fuel | |
| Type | |
| Capacity | 36.0 Gallons |
| Drivetrain | |
| Driven Wheels | 4 Wheel |
| Technical Specifications | |
| Curb Weight - Front | 4032 lbs |
| Curb Weight - Rear | 2928 lbs |
| Length, Overall | 250.75 in |
| Width, Max w/o mirrors | 81.85 in |
| Height, Overall | 80.87 in |
| Gross Vehicle Weight | 10,001 lbs |
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
- Hill Descent Control
- 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 and Rear Park Assist, ultrasonic
- 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
- Trailer Camera Provisions and trailer viewing software
- Rear Cross Traffic Alert
- Trailer Side Blind Zone Alert
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Safety Alert Seat
- Rear Seat Reminder
- 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
- Seat Belt Adjustable Guide Loops, front row only
- Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
- 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)
PACKAGE (2)
- 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
MECHANICAL (20)
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
- Air filter, heavy-duty
- Air filtration monitoring
- Transfer case, two-speed active electronic Autotrac with push button control
- Auto-locking rear differential
- Four wheel drive
- Cooling, external engine oil cooler
- Cooling, auxiliary external transmission oil cooler
- 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.)
- Trailer brake controller, integrated
- Recovery hooks, Red
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Skid Plates protect the oil pan, front axle and transfer case
- Suspension, Off-Road includes twin-tube shocks
- 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
- Brake lining wear indicator
- Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
EXTERIOR (24)
- Tire, spare LT275/70R18 all-terrain, blackwall
- Single Rear Wheels
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Bumper, front, body-color lower
- Bumper, rear body-color with bumper CornerSteps
- CornerStep, rear bumper
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- Moldings, beltline, Black
- Wheelhouse liners, rear
- 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.)
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Grille, Gloss Black header and grille insert bars with Black chrome accents
- Fog lamps, LED
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
- Mirror caps, high gloss Black
- Wipers, front rain-sensing
- Glass, deep-tinted
- Door handles, body-color
- 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
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
INTERIOR (25)
- Seat adjuster, driver 10-way power including lumbar
- Seat adjuster, passenger 10-way power including lumbar
- Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
- Seats, heated second row outboard seats
- Driver memory, recalls driver "presets" for power driver seat and outside mirrors
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Floor covering, color-keyed carpeting
- Steering wheel, wrapped
- Steering wheel, heated
- Steering column, manual Tilt-Wheel and telescoping
- Steering wheel audio controls
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- Exterior Temperature Display located in radio display
- Compass, located in instrument cluster
- Window, power front, drivers express up/down
- Remote vehicle starter system
- Adaptive Cruise Control
- Wireless Charging
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- USB ports, (2) charge-only, rear
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Air conditioning, dual-zone automatic climate control
- Air vents, rear
- Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
| REAR CAMERA MIRROR inside rearview auto-dimming with full camera display | 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). |
| LPO FRONT AND REAR MOLDED SPLASH GUARDS BLACK (dealer-installed) | LICENSE PLATE KIT FRONT |
| TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD) | 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) |
| TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display | TRANSMISSION 10-SPEED AUTOMATIC |
| 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 |
| WINDOW POWER REAR SLIDING with rear defogger | SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions (Includes (KW5) 220-amp alternator |
| UNIVERSAL HOME REMOTE | ENGINE BLOCK HEATER |
| LPO HITCH PACKAGE Gooseneck ball and chain tiedown kit with case (dealer-installed) | ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support) |
| SUNROOF POWER | AT4 PREFERRED EQUIPMENT GROUP includes standard equipment |
| LAMPS SMOKED AMBER ROOF MARKER (LED) | LPO OFF-ROAD HIGH CLEARANCE STEP (dealer-installed) |
| AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO | REAR AXLE 3.42 RATIO |
| GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS | EXHAUST BRAKE |
| WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 SPOKES (STD) | AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps |
| VOLCANIC RED TINTCOAT | ALTERNATOR 220 AMPS |
| SEATS FRONT BUCKET WITH CENTER CONSOLE (STD) | MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY |
| JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEATING SURFACES | 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 |
| Bed Liner | 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 | Integrated Tailgate Step |
| AM/FM Stereo | Navigation System |
| MP3 Capability | Bluetooth Connection |
| Auxiliary Audio Input | Smart Device Integration |
| Satellite Radio | Requires Subscription |
| Satellite Radio | Requires Subscription |
| Premium Sound System | Bluetooth Connection |
| Bluetooth Connection | Smart Device Integration |
| WiFi Hotspot | Bucket Seats |
| 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) |
| Heated Front Seat(s) | Cooled Front Seat(s) |
| Heated Rear 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 | Adaptive Cruise Control |
| Security System | MP3 Capability |
| Auxiliary Audio Input | 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 Subscription |
| Rear Parking Aid | Back-Up Camera |
| Aerial View Display System | Back-Up Camera |
| Cross-Traffic Alert | Blind Spot Monitor |
| Lane Departure Warning | Front Collision Warning |
| Front Collision Mitigation | Driver Restriction Features |
| Tire Pressure Monitor | Telematics |
| Navigation from Telematics | Requires Subscription |