This 2026 GMC Sierra 3500HD SLE combines heavy-duty capability with refined comfort, delivering a truck built for serious work and long-haul confidenc… Read More…
This 2026 GMC Sierra 3500HD SLE combines heavy-duty capability with refined comfort, delivering a truck built for serious work and long-haul confidence.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD - SLE Value Package including heated seats, bedliner, and remote start - Preferred Package with In-Vehicle Trailering App and Hitch Guidance - Sierra HD Pro Safety Plus Package with trailer cameras and blind zone alert - X31 Off-Road and Protection Package with Rancho shocks and all-terrain tires - Gooseneck/5th Wheel Prep Package for versatile towing options - Premium GMC Infotainment System with 13.4" display and wireless phone projection - HD Surround Vision with bed view and trailer camera provisions - Heated steering wheel and dual-zone automatic climate control - Adaptive Cruise Control with lane departure warning - LED cargo bed lighting and perimeter lighting - Chrome tubular assist steps and power-adjustable trailering mirrors - 220-amp alternator and engine block heater for reliability
This Sierra 3500HD is engineered to handle demanding work with the Duramax diesel engine delivering exceptional torque for towing and hauling. The X31 Off-Road package combines an adaptive suspension with Rancho shocks and protective skid plates, while the all-terrain tires and hill descent control provide confidence in challenging terrain. The gooseneck prep package opens possibilities for fifth-wheel or gooseneck trailers, making this truck adaptable to your most ambitious projects.
The truck's technology suite supports seamless towing management. Hitch Guidance with Hitch View simplifies backing up with a trailer, while the In-Vehicle Trailering App puts real-time control at your fingertips. The trailer cameras and side blind zone alert add crucial visibility and safety when navigating with a loaded bed.
Comfort features acknowledge that serious work demands a capable cab. The heated steering wheel, dual-zone climate control, and heated front seats prepare you for extended time behind the wheel across seasons. The Premium GMC Infotainment System includes SiriusXM satellite radio with trial subscription and wireless phone projection for seamless connectivity on the road.
Safety is comprehensive with automatic emergency braking, forward collision alert, and rear cross traffic alert working together to protect you and your cargo. The Ultrasonic Front and Rear Park Assist makes maneuvering easier despite the truck's substantial size.
The black exterior gives this Sierra a professional appearance, while the chrome grille surround and bumpers add polish. Eighteen-inch machined aluminum wheels with dark grey accents balance durability with style. The spray-on bedliner protects your cargo area, and the power sliding rear window enhances versatility for longer loads.
This 2026 Sierra 3500HD SLE is ready to tackle whatever work or adventure you have planned. Visit us to drive this truck and experience the combination of diesel power, advanced trailering technology, and premium cab comfort. Price includes Price includes Dealer discount and GM rebates that all customers qualify for:$1000 - Buick & GMC Consumer Cash Program. Exp. 08/31/2026 $2500 - GM Bonus Cash. Exp. 08/31/2026 Read Less
Chassis Details
Stock Number
407423G
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
12,100
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
SLE
Vehicle VIN
1GT4UTEY8TF168993
Interior Color
Jet Black, Cloth 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
Bumper, front chrome lower
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
Glass, deep-tinted
Door handles, body-color
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Floor covering, color-keyed carpeting
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Trailer brake controller, integrated
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
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.)
Daytime Running Lamps LED signature lighting
SiriusXM
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
LED Signature DRL's
Bumper, rear chrome with bumper CornerSteps
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)
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Windows, power rear, express down (Not available on Regular Cab models.)
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
Single Rear Wheels
Window, power front, passenger express down
Air filter, heavy-duty
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
Window, power front, drivers express up/down
Cooling, external engine oil cooler
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.)
Seat trim, Cloth
Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
Brake lining wear indicator
Exterior Temperature Display located in radio display
Keyless Open and Start includes remote keyless entry
Door locks, power
Floor mats, rubberized-vinyl front (Included and only available with (B30) color-keyed carpeting. Deleted when LPO floor liners are ordered.)
Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
Seat adjuster, passenger 4-way manual
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Moldings, beltline, stainless steel
Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents (STD) (Requires single rear wheels. Included with (RFX) X31 Off-Road and Protection Package.)
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
USB ports, (2) charge-only, rear
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
Push Button Start
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
Auto-locking rear differential
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)
Steering wheel audio controls
Grille, Chrome surround with chrome insert bars
Bluetooth for phone connectivity to vehicle infotainment system
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.)
Compass, located in instrument cluster
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light (Deleted with (ZW9) pickup bed delete.)
Wireless Phone Projection for Apple CarPlay and Android Auto
USB Ports, 2, Charge/Data ports located on instrument panel
Suspension Package (Not available with (X31) Off-Road Package.)
Steering, Recirculating Ball with smart flow power steering system
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet) (Deleted with (ZW9) pickup bed delete.)
Recovery hooks, front, frame-mounted, Black
Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Air vents, rear (Not available with Regular Cab model.)
Tires, LT275/70R18E all-terrain, blackwall (STD) (Requires single rear wheels. Included with (RFX) X31 Off-Road and Protection Package.)
Steering wheel, wrapped
CornerStep, rear bumper
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. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered.)
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
Floor mats, rubberized-vinyl rear (Requires Crew Cab or Double Cab model. Included and only available with (B30) color-keyed carpeting. Deleted when LPO floor liners are ordered.)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
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.)
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted