2026 GMC Sierra 1500 SLE

  • New
$58,090MSRP
$49,303Castle Sale Price
Castle GMC McHenry

    The overview

    Exterior Color
    Summit White
    Interior Color
    Black
    Body/Seating
    Truck/6 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    EcoTec3 5.3L V8
    VIN
    1GTRUBED2TZ278028
    Stock Number
    M260282

      The highlights

      • Navigation system
      • Lane departure
      • Automatic temperature control
      • Emergency communication system
      • Wireless phone connectivity
      • Front dual zone A/C
      • Auto high-beam headlights
      • Split folding rear seat
      • Heated front seats
      • Perimeter/approach lights
      • Remote keyless entry
      • Heated steering wheel

      A closer look at what’s included

      Included Options
      • Preferred Equipment Group 3SA
      • 10-Way Power Driver Seat Adjuster with Lumbar
      • 4-Way Manual Passenger Seat Adjuster
      • Power Front Windows with Passenger Express Down
      • Power Rear Windows with Express Down
      • Deep-Tinted Glass
      • Power Door Locks
      • Keyless Open and Start
      • Power Front Windows with Driver Express Up/Down
      • Front 40/20/40 Split-Bench Seat
      • Rear Wheelhouse Liners
      • Color-Keyed Carpeting Floor Covering
      • Front Rubberized-Vinyl Floor Mats
      • Rear Rubberized-Vinyl Floor Mats
      • Remote Start Package
      • Push Button Start
      • Wireless Charging
      • Electric Rear-Window Defogger
      • Spray-on Pickup Bedliner with GMC Logo
      • Dual-Zone Automatic Climate Control
      • Hitch Guidance
      • Auto-Locking Rear Differential
      • Chrome Header with Medium Silver Grille Insert Bars
      • 3.23 Rear Axle Ratio
      • Radio: Premium GMC Infotainment Audio System
      • Hill Descent Control
      • Integrated Trailer Brake Controller
      • Heavy-Duty Air Filter
      • Heated Driver and Front Outboard Passenger Seating
      • External Engine Oil Cooling
      • 120-Volt Bed Mounted Power Outlet
      • 120-Volt Interior Power Outlet
      • Auxiliary External Transmission Oil Cooler
      • 220 Amp Alternator
      • 170 Amp Alternator
      • Dual Exhaust System
      • Manual Tilt-Wheel and Telescoping Steering Column
      • Off-Road Suspension
      • Single Speed Transfer Case
      • 2-Speed Transfer Case
      • Skid Plates
      • SLE Convenience Package
      • GMC Pro Safety
      • SLE Value Package
      • Wireless Apple CarPlay/Wireless Android Auto
      • Wheels: 17" x 8" Bright Silver Painted Aluminum
      • X31 Off-Road and Protection Package
      • All-Weather Floor Liner
      • Cloth Seat Trim
      • Buckle to Drive
      • IntelliBeam Automatic High Beam on/Off
      • SiriusXM with 360L Trial Subscription
      • 2 Type-C Charge-Only Rear USB Ports
      • 2 Charge/Data USB Ports
      • OnStar Services Capable
      • Following Distance Indicator
      • Forward Collision Alert
      • LED Cargo Area Lighting
      • Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
      • Lane Keep Assist with Lane Departure Warning
      • Automatic Emergency Braking
      • Steering Wheel Audio Controls
      • Front Pedestrian Braking
      • 6-Speaker Audio System Feature
      • Theft Deterrent System (unauthorized Entry)
      • HD Rear Vision Camera
      • Front Frame-Mounted Black Recovery Hooks
      • Front License Plate Kit
      • Wi-Fi Hotspot Capable
      • X31 Off-Road Package
      • X31 Hard Badge
      • Trailering Package
      • Standard Suspension Package
      • 4-Wheel Disc Brakes
      • Apple CarPlay/Android Auto
      • Emergency communication system: OnStar
      • AM/FM radio: SiriusXM with 360L
      • Automatic Pre-Collision Braking
      • Front Center Armrest w/Storage
      • Compass
      • Variably intermittent wipers
      • Trip computer
      • Traction control
      • Tilt steering wheel
      • Telescoping steering wheel
      • Steering wheel mounted audio controls
      • Split folding rear seat
      • Speed-sensing steering
      • Speed control
      • Security system
      • Remote keyless entry
      • Rear window defroster
      • Rear step bumper
      • Rear reading lights
      • Radio data system
      • Power windows
      • Power steering
      • Power driver seat
      • 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 steering wheel
      • Heated front seats
      • Heated door mirrors
      • Fully automatic headlights
      • Front wheel independent suspension
      • Front reading lights
      • Front dual zone A/C
      • 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
      • Automatic temperature control
      • Alloy wheels
      • ABS brakes
      • Voltmeter
      • Tachometer
      • Navigation System
      • Electronic Stability Control
      • Air Conditioning
      • 6 Speakers
      • 1-touch down
      • 1-touch up
      • Air conditioning
      • Automatic temperature control
      • Driver door bin
      • Driver vanity mirror
      • Emergency communication system: OnStar
      • Front beverage holders
      • Front dual zone A/C
      • Heated steering wheel
      • Illuminated entry
      • Navigation system
      • Overhead console
      • Passenger door bin
      • Passenger vanity mirror
      • Power windows
      • Proximity key: doors and push button start
      • Rear door bins
      • Remote engine start
      • Remote keyless entry
      • Speed control
      • Telescoping steering wheel
      • Tilt steering wheel
      • Alloy wheels
      • Front anti-roll bar
      • Front wheel independent suspension
      • Power steering
      • Speed-sensing steering
      • 1st row LCD monitors: 2
      • Primary LCD size: 13.4"
      • Radio data system
      • Smart device integration: Apple CarPlay/Android Auto
      • Speakers: 6
      • Steering wheel mounted audio controls
      • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
      • Wireless phone connectivity: Bluetooth
      • Basic warranty: 36 months/36,000miles
      • Corrosion perforation warranty: 72 months/100,000miles
      • Maintenance warranty: 12 months/ unlimited distance
      • Front center armrest: w/storage
      • Front seats: bench
      • Heated front seats
      • Max seating capacity: 6
      • Power 2-way driver lumbar support
      • Power driver seat
      • Rear seats: split-bench
      • Rear seats Folding position: fold-up cushion
      • Seat Upholstery: cloth
      • Split folding rear seat
      • Cylinder deactivation
      • Drive type: four-wheel
      • Engine location: front
      • Fuel economy city: 17mpg
      • Fuel economy combined: 18mpg
      • Fuel economy highway: 20mpg
      • Fuel tank capacity: 24.0gal.
      • Hybrid traction battery type: none
      • Manual-shift auto
      • Mode select transmission
      • Number of valves: 16
      • Rear locking differential
      • Recommended fuel: Regular Unleaded
      • Standard fuel economy fuel type: gasoline
      • Variable valve control
      • Approach angle: 19 deg
      • Departure angle: 24 deg
      • Ground clearance (min): 206mm (8.1")
      • Ramp breakover angle: 19 deg
      • 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
      • Exterior body width: 2,063mm (81.2")
      • Exterior height: 1,920mm (75.6")
      • Exterior length: 5,890mm (231.9")
      • Front headroom: 1,092mm (43.0")
      • Front hiproom: 1,554mm (61.2")
      • Front legroom: 1,130mm (44.5")
      • Front shoulder room: 1,676mm (66.0")
      • Greenhouse Gas Score (GG): 3
      • Rear headroom: 1,013mm (39.9")
      • Rear hiproom: 1,529mm (60.2")
      • Rear legroom: 894mm (35.2")
      • Rear shoulder room: 1,648mm (64.9")
      • Wheelbase: 3,744mm (147.4")
      • Appearance: digital/analog
      • Auto high-beam headlights
      • Compass
      • Configurable
      • Delay-off headlights
      • Front reading lights
      • Fully automatic headlights
      • Lane departure: Lane Keep Assist with Lane Departure Warning active
      • Low tire pressure warning
      • Oil pressure gauge
      • Outside temperature display
      • 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: Forward Collision Alert with Automatic Braking mitigation
      • Front pedestrian detection: prevention
      • Ignition disable
      • Occupant sensing airbag
      • Overhead airbag
      • Panic alarm
      • Perimeter/approach lights
      • Security system
      • Traction control
      Summit White 2026 GMC Sierra 1500 SLE 10-Speed Automatic, 4WD, Black Cloth.
      Priced below KBB Fair Purchase Price!
      Factory MSRP: $58,090


      Preferred Equipment Group 3SA (10-Way Power Driver Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports, 2 Type-C Charge-Only Rear USB Ports, 4-Way Manual Passenger Seat Adjuster, Chrome Header with Medium Silver Grille Insert Bars, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Front 40/20/40 Split-Bench Seat, Front Frame-Mounted Black Recovery Hooks, Front Rubberized-Vinyl Floor Mats, HD Rear Vision Camera, Heated Driver and Front Outboard Passenger Seating, Integrated Trailer Brake Controller, Keyless Open and Start, Manual Tilt-Wheel and Telescoping Steering Column, OnStar Services Capable, Power Door Locks, Power Front Windows with Driver Express Up/Down, Power Front Windows with Passenger Express Down, Power Rear Windows with Express Down, Push Button Start, Rear Rubberized-Vinyl Floor Mats, SiriusXM with 360L Trial Subscription, Steering Wheel Audio Controls, Wheels: 17" x 8" Bright Silver Painted Aluminum, Wi-Fi Hotspot Capable, and Wireless Apple CarPlay/Wireless Android Auto), Remote Start Package (Electric Rear-Window Defogger, Theft Deterrent System (unauthorized Entry), and Wireless Charging), SLE Convenience Package (Dual-Zone Automatic Climate Control and LED Cargo Area Lighting), SLE Value Package (Auto-Locking Rear Differential), Standard Suspension Package, Trailering Package (Hitch Guidance), X31 Off-Road and Protection Package (All-Weather Floor Liner and Spray-on Pickup Bedliner with GMC Logo), X31 Off-Road Package (Dual Exhaust System, Heavy-Duty Air Filter, Hill Descent Control, Off-Road Suspension, Rear Wheelhouse Liners, Wheels: 18" x 8.5" 6-Spoke Machined Aluminum, and X31 Hard Badge), 10-Speed Automatic, 4WD, Black Cloth, 170 Amp Alternator, 220 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Automatic Emergency Braking, Automatic Pre-Collision Braking, Automatic temperature control, Auxiliary External Transmission Oil Cooler, 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, External Engine Oil Cooling, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated steering wheel, Illuminated entry, IntelliBeam Automatic High Beam on/Off, Lane Keep Assist with Lane Departure Warning, Low tire pressure warning, Navigation System, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power driver seat, Power steering, Power windows, Radio data system, Radio: Premium GMC Infotainment Audio System, Rear reading lights, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Variably intermittent wipers, and Voltmeter. 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 reb

      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