2026 GMC Sierra 3500HD SLE

  • New
  • Diesel
$79,540MSRP
$71,835Castle Sale Price
Castle GMC McHenry

    The overview

    Exterior Color
    Summit White
    Interior Color
    Black
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UTEY5TF299041
    Stock Number
    M260461

      The highlights

      • Lane departure
      • Premium audio system
      • Wireless phone connectivity
      • Auto high-beam headlights
      • Split folding rear seat
      • Perimeter/approach lights
      • Remote keyless entry
      • Steering wheel mounted audio controls
      • Fully automatic headlights
      • Alloy wheels
      • Heated door mirrors
      • Trailer sway control

      A closer look at what’s included

      Included Options
      • SiriusXM with 360L Trial Subscription
      • Preferred Equipment Group 3SA
      • 4-Way Manual Driver Seat Adjuster
      • 10-Way Power Driver Seat Adjuster with Lumbar
      • Power Sliding Rear Window with Defogger
      • 4-Way Manual Passenger Seat Adjuster
      • Deep-Tinted Glass
      • Keyless Open and Start
      • Front 40/20/40 Split-Bench Seats with Lockable Storage
      • Remote Start Package
      • Winter Grille Cover
      • Push Button Start
      • Wireless Charging
      • Electric Rear-Window Defogger
      • Spray-on Pickup Bedliner with GMC Logo
      • Dual-Zone Automatic Climate Control
      • Auto-Dimming Inside Rear-View Mirror
      • Power-Adjustable Black Outside Mirrors
      • Pickup Bed
      • Chrome Surround Grille with Chrome Insert Bars
      • Radio: AM/FM Stereo with Premium GMC Infotainment System
      • Engine Block Heater
      • Exhaust Brake
      • Heated Driver and Front Outboard Passenger Seats
      • 120-Volt Bed Mounted Power Outlet
      • Heated Steering Wheel
      • 120-Volt Instrument Panel Power Outlet
      • Adaptive Cruise Control
      • 220 Amp Alternator
      • Heavy-Duty 80 Amp-Hour Battery
      • Manual Tilt-Wheel/Telescoping Steering Column
      • 2-Speed Electronic Shift Transfer Case
      • 2-Speed Active Transfer Case
      • Skid Plates
      • SLE Convenience Package
      • Sierra HD Pro Safety
      • Preferred Package
      • SLE Value Package
      • Sierra HD Pro Safety Plus Package
      • Wireless Phone Projection
      • Hitch Guidance with Hitch View
      • Cloth Rear Seat with Storage Package
      • Rear Wheelhouse Liners
      • Cloth Seat Trim
      • LED Fog Lamps
      • Buckle to Drive
      • IntelliBeam Automatic High Beam on/Off
      • Trailer Camera Provisions
      • Perimeter Lighting
      • 2 Charge-Only Rear USB Ports
      • 2 Charge/Data USB Ports
      • Ultrasonic Front and Rear Park Assist
      • Following Distance Indicator
      • in-Vehicle Trailering App
      • Forward Collision Alert
      • LED Cargo Area Lighting
      • Rear Cross Traffic Alert
      • Lane Departure Warning System
      • Universal Home Remote
      • Automatic Emergency Braking
      • Steering Wheel Audio Controls
      • Front Pedestrian Braking
      • Trailer Side Blind Zone Alert
      • 6-Speaker Audio System Feature
      • GMC Premium 13.4" Diagonal Information Display
      • Unauthorized Entry Theft-Deterrent System
      • HD Surround Vision
      • Bed View Camera with Two Trailer Camera Provisions
      • Front License Plate Kit
      • Snow Plow Prep/Camper Package
      • Gooseneck/5th Wheel Prep Package
      • Suspension Package
      • SLE Heated Package
      • 4-Wheel Disc Brakes
      • Emergency communication system: OnStar Services capable
      • Premium audio system: Premium GMC Infotainment System
      • AM/FM radio: SiriusXM with 360L
      • Automatic Pre-Collision Braking
      • Exterior Parking Camera Rear
      • Front Center Armrest w/Storage
      • Compass
      • Variably intermittent wipers
      • Turn signal indicator mirrors
      • Trip computer
      • Traction control
      • Tilt steering wheel
      • Steering wheel mounted audio controls
      • Split folding rear seat
      • Speed control
      • Remote keyless entry
      • Rear step bumper
      • Rear reading lights
      • Power windows
      • Power steering
      • Power door mirrors
      • Passenger vanity mirror
      • Passenger door bin
      • Panic alarm
      • Overhead console
      • Overhead airbag
      • Outside temperature display
      • Occupant sensing airbag
      • Low tire pressure warning
      • Illuminated entry
      • Heated door mirrors
      • Fully automatic headlights
      • Front wheel independent suspension
      • Front reading lights
      • Front anti-roll bar
      • Dual front side impact airbags
      • Dual front impact airbags
      • Driver vanity mirror
      • Driver door bin
      • Delay-off headlights
      • Bumpers: chrome
      • Brake assist
      • ABS brakes
      • Voltmeter
      • Tachometer
      • Electronic Stability Control
      • Air Conditioning
      • 6 Speakers
      • 1-touch down
      • 1-touch up
      • Air conditioning
      • Driver door bin
      • Driver vanity mirror
      • Front beverage holders
      • Illuminated entry
      • Overhead console
      • Passenger door bin
      • Passenger vanity mirror
      • Power windows
      • Proximity key: doors and push button start
      • Rear door bins
      • Remote keyless entry
      • Speed control
      • Tilt steering wheel
      • Alloy wheels
      • Front anti-roll bar
      • Front wheel independent suspension
      • Power steering
      • Single rear wheels
      • Tires: all-terrain
      • 1st row LCD monitors: 2
      • AM/FM radio: SiriusXM with 360L
      • Premium audio system: Premium GMC Infotainment System
      • Primary LCD size: 13.4"
      • Smart device integration
      • Speakers: 6
      • Steering wheel mounted audio controls
      • Wireless phone connectivity
      • Basic warranty: 36 months/36,000miles
      • Corrosion perforation warranty: 72 months/100,000miles
      • Maintenance warranty: 12 months/ unlimited distance
      • Rear seats: split-bench
      • Rear seats Folding position: fold-up cushion
      • Seat Upholstery: cloth
      • Split folding rear seat
      • Cylinder configuration: V-8
      • Drive type: four-wheel
      • Engine liters: 6.6L
      • Engine location: front
      • Fuel tank capacity: 36.0gal.
      • Hybrid traction battery type: none
      • Manual-shift auto
      • Mode select transmission
      • Rear locking differential
      • Transmission: 10 speed automatic
      • Variable valve control
      • Ground clearance (min): 283mm (11.1")
      • Bumpers: 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
      • Engine displacement: 6.6 L
      • Exterior body width: 2,079mm (81.8")
      • Exterior height: 2,049mm (80.7")
      • Exterior length: 6,776mm (266.8")
      • 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")
      • 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")
      • Turning radius: 8.7m (28.5')
      • Wheelbase: 4,369mm (172.0")
      • Appearance: digital/analog
      • Auto high-beam headlights
      • Compass
      • Configurable
      • Delay-off headlights
      • Front reading lights
      • Fully automatic headlights
      • Lane departure: warning
      • Low tire pressure warning
      • Oil pressure gauge
      • Outside temperature display
      • Rear reading lights
      • 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
      • Traction control
      Summit White 2026 GMC Sierra 3500HD SLE 10-Speed Automatic, 4WD, Black Cloth.

      Factory MSRP: $79,540


      Cloth Rear Seat with Storage Package, Gooseneck/5th Wheel Prep Package (Spray-on Pickup Bedliner with GMC Logo), Preferred Equipment Group 3SA (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 4-Way Manual Driver Seat Adjuster, Chrome Surround Grille with Chrome Insert Bars, Deep-Tinted Glass, Keyless Open and Start, Push Button Start, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, and Wireless Phone Projection), Preferred Package (Adaptive Cruise Control, Hitch Guidance with Hitch View, LED Cargo Area Lighting, Power Sliding Rear Window with Defogger, and Universal Home Remote), Remote Start Package (Electric Rear-Window Defogger, Unauthorized Entry Theft-Deterrent System, and Wireless Charging), Sierra HD Pro Safety Plus Package (Bed View Camera with Two Trailer Camera Provisions, HD Surround Vision, Rear Cross Traffic Alert, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and Ultrasonic Front and Rear Park Assist), SLE Convenience Package (10-Way Power Driver Seat Adjuster with Lumbar, Dual-Zone Automatic Climate Control, LED Fog Lamps, and Manual Tilt-Wheel/Telescoping Steering Column), SLE Heated Package (Heated Driver and Front Outboard Passenger Seats and Heated Steering Wheel), SLE Value Package, Snow Plow Prep/Camper Package (220 Amp Alternator), Suspension Package, 10-Speed Automatic, 4WD, Black Cloth, 2-Speed Active Transfer Case, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio: SiriusXM with 360L, Auto-Dimming Inside Rear-View Mirror, Automatic Emergency Braking, Automatic Pre-Collision Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Cloth Seat Trim, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar Services capable, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats with Lockable Storage, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Premium 13.4" Diagonal Information Display, Heated door mirrors, Heavy-Duty 80 Amp-Hour Battery, Illuminated entry, in-Vehicle Trailering App, IntelliBeam Automatic High Beam on/Off, Lane Departure Warning System, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perimeter Lighting, Pickup Bed, Power door mirrors, Power steering, Power windows, Power-Adjustable Black Outside Mirrors, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rear reading lights, Rear step bumper, Rear Wheelhouse Liners, Remote keyless entry, Speed control, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variably intermittent wipers, Voltmeter, and Winter Grille Cover. The advertised Price is the total price for the vehicle and includes our $378 Doc Fee (IL locations), or $249 Doc Fee (IN locations) and a $35.00 electronic filing Fee. The Price excludes only government-mandated taxes, tags, registration fees, and title fees. Pricing includes all applicable rebates. Manufacturer regional rebates may be included; residency restrictions can vary. Please call to verify. We strive to maintain accurate information on this website about inventory, vehicle featur

      Peace of mind

      Factory warranty

      36 months/36,000miles from the vehicle's original in-service date

      A name you can trust

      Castle Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
      More about us

      KBB.com Consumer Reviews

      Kelley Blue Book Logo0.0out of 5 overall
        Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

        1Dealer Discount applied to everyone