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New 2026 GMCSierra 3500 Crew Cab SLT Crew Cab

  • Diesel
    Exterior Color
    Volcanic Red Tintcoat
    Interior Color
    Dark Walnut/Slate
    Body/Seating
    Crew Cab/5 seats
    Transmission
    10-speed automatic
    Drivetrain
    4WD
    Engine
    V-8 cyl
    VIN
    1GT4UUEY4TF421278
    Stock Number
    TF421278
    Model Code
    TK30743
    GMC Sierra 3500

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

    Included Packages & Options

    • Gooseneck/5th Wheel Prep Package$1,090
    Included Options
    • GMC MultiPro Tailgate$445
    • Console-Mounted Safe$350
    • Rear Underseat Storage$325
    • Front Chrome Recovery Hooks$200
    • LED Smoked Amber Roof Marker Lamps$55

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar Services capable
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/70SR18.0E
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/70SR18.0E
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • Wheel size: 18"
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Premium audio system: Premium GMC Infotainment System
    • Primary LCD size: 13.4"
    • Satellite radio trial duration with new vehicle purchase (months): 3
    • Smart device integration
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • Powertrain warranty: 60 months/60,000miles
    • Roadside assistance coverage: 60 months/60,000miles
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Compressor: Not Available
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Electric motor 1 torque: none
    • Electric motor horsepower: none
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Horsepower: 401hp @ 5,200RPM
    • Hybrid electric powertrain type: none
    • Hybrid system combined power torque: none
    • Hybrid system net power: none
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 16
    • Rear locking differential
    • Recommended fuel: Regular gasoline
    • Standard fuel economy fuel type: gasoline
    • Torque: 464 lb.-ft. @ 4,000RPM
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 284mm (11.2")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: chrome
    • Door mirrors: chrome
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Compression ratio: 10.80 to 1
    • Curb weight: 3,240kg (7,144lbs)
    • Engine bore x stroke: 103.3mm x 98.0mm (4.07" x 3.86")
    • Engine displacement: 6.6 L
    • Engine torque: 464 lb.-ft. @ 4,000RPM
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,054mm (80.9")
    • Exterior length: 6,369mm (250.8")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • GVWR: 5,239kg (11,550lbs)
    • Payload: 1,979kg (4,362lbs)
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Towing capacity: 7,257kg (16,000lbs)
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic front and rear
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control

    Dealer Notes

    Equipment
    Protect this GMC Sierra from unwanted accidents with a cutting edge backup camera system. The leather seats in it are a must for buyers looking for comfort, durability, and style. This vehicle features a high end BOSE stereo system. This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. It warns of approaching vehicles with Cross-Traffic Alert. The GMC Sierra is equipped with the latest generation of XM/Sirius Radio. It has auto-adjust speed for safe following. The steering wheel audio controls on it keep the volume and station within easy reach. Keep your hands warm all winter with a heated steering wheel in this GMC Sierra . Start this vehicle from inside with remote start. This GMC Sierra is outfitted with an OnStar communication system. It has four wheel drive capabilities. This 2026 GMC Sierra 3500 has a V8, 6.6L high output engine.

    Packages
    SLT Convenience Package: Ventilated Driver and Front Passenger Seats; Bose Premium 7-Speaker Sound System; 2 Charge/data USB Ports Inside Center Console; LED Smoked Amber Roof Marker Lamps; Floor-Mounted Center Console; Wireless Charging; Front Bucket Seats. Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage. SLT Premium Package: Spray-On Pickup Bedliner with GMC Logo; 6 Rectangular Chromed Tubular Assist Steps. Sierra HD Pro Safety Plus Package: HD Surround Vision; Trailer Side Blind Zone Alert; Rear Cross Traffic Alert; Ultrasonic Front and Rear Park Assist; Safety Alert Seat; Trailer Camera Provisions; Bed View Camera with Two Trailer Camera Provisions. Preferred Equipment Group 4SA: LED Cargo Area Lighting; LT275/70R18E AT BW Tires; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; Power Front Windows with Passenger Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6-Speaker Audio System Feature; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners; 18 Machined Aluminum Wheels; Chrome Surround Grille with Chrome Insert Bars. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. Gooseneck/5th Wheel Prep Package. 6 Rectangular Chromed Tubular Assist Steps. Volcanic Red Tintcoat. Spray-On Pickup Bedliner with GMC Logo. GMC MultiPro Tailgate. Console-Mounted Safe. Rear Underseat Storage. Front Chrome Recovery Hooks. Upfitter Switch Kit (5). LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

    Additional Information
    **Vehicle Options listed are when the unit was originally built. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.
    Call our friendly Sales Experts
    at 1-208-943-9075 to experience
    Hassle Free Buying.

    Price excludes required taxes, title, license, other governmental fees and includes a $549 dealer documentation service fee.

    We have taken reasonable efforts to ensure display of accurate data; however, the information shown may contain errors and omissions, may not reflect all vehicle items and accessories, and errors with regard to pricing may occur.  All displayed inventory is subject to prior sale and all prices expire at midnight on the date displayed.  Price shown is for the state in which Dealer is physically located and if transferred to another state, the price may change.  Dealer is not responsible for any errors but should be consulted in person to confirm the information on this page.

    USED VEHICLES MAY BE SUBJECT TO UNREPAIRED MANUFACTURER RECALLS. PLEASE CONTACT THE MANUFACTURER OR A DEALER FOR THAT LINE MAKE FOR RECALL ASSISTANCE/QUESTIONS OR CHECK THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION WEBSITE FOR CURRENT RECALL INFORMATION BEFORE PURCHASING.
    MSRP
    $86,615
    Dave Smith price
    Too Low to Show
    Price excludes required taxes, title, license, other governmental fees and includes a $549 dealer documentation service fee.
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