New 2026 GMC Sierra 3500 SLT Crew Cab
Stock #6GM35020
Vehicle Notes
This GMC Sierra 3500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. X31 OFF-ROAD PACKAGE includes (JHD) Hill …
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Chassis Details
Stock Number
6GM35020
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,100
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
SLT
Interior Color
Jet Black, Perforated Leather-appointed front seat trim
Seating Capacity
6
Exterior Color Description
Onyx Black
Engine Cylinder Count
8
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Horsepower
470
Vehicle Options
- Four wheel drive
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- Bluetooth for phone connectivity to vehicle infotainment system
- Air vents, rear
- Defogger, rear-window electric
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
- Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- USB Ports, 2, Charge/Data ports located on instrument panel
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Theft-deterrent system, unauthorized entry
- Compass, located in instrument cluster
- Trailer brake controller, integrated
- Bumper, rear chrome with bumper CornerSteps
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Cooling, auxiliary external transmission oil cooler
- OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including 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 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.)
- Wipers, front rain-sensing
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
- Steering column, manual Tilt-Wheel and telescoping
- Mirror caps, chrome
- 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)
- 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
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires or (QF9) LT275/65R20 all-terrain, blackwall tires with (E63) pickup bed models.)
- 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.)
- 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])
- Door locks, power
- Floor covering, color-keyed carpeting
- Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Auto-locking rear differential
- Mirror, inside rearview auto-dimming
- Seat Belt Adjustable Guide Loops, front row only
- USB ports, (2) charge-only, rear
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Steering wheel audio controls
- Brake lining wear indicator
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Seating, heated driver and front outboard passenger
- Rear Seat Reminder
- Door handles, chrome
- Tailgate, standard
- 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)
- Air filtration monitoring
- Seat adjuster, driver 10-way power including lumbar
- Exterior Temperature Display located in radio display
- Moldings, beltline, stainless steel
- Floor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Window, power front, drivers express up/down
- Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Keyless Open and Start includes remote keyless entry
- LED Signature DRL's
- Wireless Phone Projection for Apple CarPlay and Android Auto
- Seat adjuster, passenger 10-way power including lumbar
- GMC Premium information Display- 13.4" diagonal Multicolor touch screen
- 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.)
- Seat trim, Perforated Leather-appointed front outboard seating positions
- Steering wheel, heated
- Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
- Transfer case, two-speed active electronic Autotrac with push button control (Requires 4WD models.)
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Window, power front, passenger express up/down
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- Suspension Package (Not available with (X31) Off-Road Package.)
- Grille, Chrome surround with chrome insert bars
- Front Pedestrian Braking (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.)
- Single Rear Wheels
- Tailgate and bed rail protection caps, top
- SiriusXM
- Bumper, front chrome lower
- Wheelhouse liners, rear (Not available with dual rear wheel models.)
- Windows, power rear, express down
- 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)
- CornerStep, rear bumper
- 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.)
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- Fog lamps, LED
- Air conditioning, dual-zone automatic climate control
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Glass, deep-tinted
- Steering wheel, wrapped
- Cooling, external engine oil cooler
- Daytime Running Lamps LED signature lighting
- Driver memory, recalls driver "presets" for power driver seat and outside mirrors
- Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
- Remote vehicle starter system
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
- Center Console, floor-mounted
- SLT Preferred Equipment Group
- Suspension, Off-Road
- Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
- Gooseneck / 5th Wheel Prep Package
- Engine block heater
- LPO, All-weather floor liner, 1st and 2nd rows
- Trailer Side Blind Zone Alert
- GVWR, 12,100 lbs. (5488 kg) with single rear wheels
- Adaptive Cruise Control
- Hill Descent Control
- Tires, LT275/65R20 all-terrain, blackwall
- Rear Cross Traffic Alert
- Universal Home Remote
- Sierra HD Pro Safety Plus Package
- Seats, front bucket with center console
- Winter Grille Cover
- Assist steps, chromed tubular, 6" rectangular cab length
- Trailer Camera Provisions and trailer viewing software
- Capped Fuel Fill
- SLT Convenience Package
- Option/package discount
- SLT Premium Package
- Safety Alert Seat
- Exhaust Brake
- HD Surround Vision
- Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
- X31 Off-Road and Protection Package
- Sunroof, power
- X31 Off-Road Package
- Seats, ventilated driver and front passenger
- Bose Sound System, premium 7-speaker system
- Front and Rear Park Assist, ultrasonic
- License plate kit, front
- Jet Black, Perforated Leather-appointed front seat trim
- Lamps, Smoked Amber roof marker, (LED)
- Transmission, 10-speed automatic
- Skid Plates
- Seats, heated second row outboard seats
- Bed View Camera
- Wheels, 20" (50.8 cm) Bright face wheels with dark painted pockets
- Window, power, rear sliding
- Wireless Charging
- Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr
- Alternator, 220 amps
- Onyx Black
- Rear axle, 3.42 ratio
- Bedliner, Spray-on
- SLT Preferred Package
- Snow Plow Prep/Camper Package
- SLT PREMIUM PACKAGE AND X31 OFF-ROAD AND PROTECTION PACKAGE DISCOUNT
- CUSTOMER DIALOGUE NETWORK
- View All
Body Details
Body Type
Pickup
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