Lowered by $879 since Jun 29, 2026

2026 GMC Sierra 1500 SLT



  • $57,584 Sam Boswell Sale Price

  • Sam Boswell Sale Price* $56,684
  • Doc Fee: +899.95
  • This price does not include taxes, tag, title or dealer added accessories. Please contact our dealership for a complete breakdown of all applicable fees and taxes based on your location.

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Vehicle Information

VIN: 3GTUUDEL0TG144521
Stock #: T261734A
Model Code: TK10543
  • Body Style 4D Crew Cab
  • Exterior Color Glacier White Tricoat
  • Interior Color Black
  • Mileage 7,715
  • Fuel Economy
    City/Highway 15/19 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission 10-Speed Automatic
  • Fuel Type Gasoline

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

The 2026 GMC Sierra 1500 SLT stands ready to deliver the capability and refinement you need for work and life. This truck combines power, advanced technology, and premium comfort to set a new standard in its class.

- Power Sunroof
- EcoTec3 6.2L V8 Engine with 420 hp and 460 lb-ft of Torque
- Dynamic Fuel Management and Dual Active Exhaust
- ProGrade Trailering System with Hitch View and In-Vehicle Trailering App
- Adaptive Cruise Control
- Premium Bose 7-Speaker Sound System with Wireless Apple CarPlay and Android Auto
- SiriusXM with 360L Trial Subscription
- Off-Road and Protection Package with Spray-on Bedliner and All-Weather Floor Liners
- 20 Polished Aluminum Wheels with All-Terrain Tires
- Heated Front and Rear Outboard Seats
- Heated Steering Wheel
- Lane Keep Assist with Lane Departure Warning
- Advanced Safety Suite including Automatic Emergency Braking and Forward Pedestrian Braking
- Chrome Assist Steps and Bumpers
- Wireless Charging

The 6.2L V8 engine delivers commanding performance with 420 horsepower and 460 lb-ft of torque, engineered with Dynamic Fuel Management to optimize efficiency. The dual active exhaust system with sport-mode capability lets you tailor the driving experience to your preference. Four-wheel drive with off-road suspension and hill descent control ensures you can handle any terrain confidently.

Inside, the SLT cabin welcomes you with premium materials and thoughtful design. The power sunroof floods the interior with natural light, while perforated leather-appointed front outboard seats and heated front and rear seating provide comfort through every season. The 10-way power driver seat with lumbar support adjusts to your exact preferences, and the heated steering wheel adds convenience on cold mornings.

Technology integrates seamlessly into your daily drive. The premium GMC infotainment system features wireless Apple CarPlay and Android Auto compatibility, making it easy to stay connected without distraction. The navigation system guides you precisely, while the Wi-Fi hotspot keeps passengers connected. SiriusXM with 360L offers entertainment options throughout your journey.

Trailering capability stands as one of this truck's greatest strengths. The ProGrade Trailering System includes Hitch View technology and an in-vehicle trailering app that puts critical information at your fingertips. An integrated trailer brake controller and bed-mounted auxiliary transmission oil cooler demonstrate the engineering that makes towing confident and controlled.

Safety features work together to protect you and your passengers. Lane Keep Assist with Lane Departure Warning helps maintain your path, while Automatic Emergency Braking and Forward Pedestrian Braking systems provide critical protection. The advanced camera system, including the HD rear vision camera, offers visibility when you need it most.

Visit us to experience the 2026 GMC Sierra 1500 SLT firsthand and discover why this truck represents the pinnacle of capability and refinement.

Eligible Benefits

All Features

  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • GMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive.)
  • Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)
  • Pickup bed
  • Push Button Start
  • Automatic Stop/Start
  • Auto-locking rear differential
  • Transfer case, single speed, electronic Autotrac with push button control (4WD models only)
  • Suspension Package, Standard
  • Four wheel drive
  • Frame, fully-boxed, hydroformed front section
  • Trailer brake controller, integrated
  • Recovery hooks, front, frame-mounted, Black
  • Cargo tie downs (12), fixed
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Brake lining wear indicator
  • Capless Fuel Fill
  • Exhaust, single outlet
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) 6-spoke machined aluminum with Dark Grey Metallic accents
  • Tires, 265/65R18SL all-season, blackwall
  • Tire, spare 265/70R17SL all-season, blackwall
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Wheelhouse liners, rear
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper, front chrome lower
  • Bumper, rear chrome with bumper CornerSteps
  • CornerStep, rear bumper
  • Moldings, window surround, Chrome
  • Grille (Chrome header and chrome grille insert bars with gloss black accents.)
  • Headlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)
  • Fog lamps, LED
  • Lighting, perimeter
  • Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
  • Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
  • Mirror caps, chrome
  • Wipers, front rain-sensing
  • Glass, deep-tinted
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Tailgate, GMC MultiPro Tailgate with six functional load/access features
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate and bed rail protection caps, top
  • Door handles, 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
  • SiriusXM Trial Subscription
  • 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.)
  • Audio system feature, 6-speaker system
  • Bluetooth® for phone, connectivity to vehicle infotainment system
  • Wireless, Apple CarPlay / Wireless Android Auto
  • Steering wheel audio controls
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seat trim, Perforated leather-appointed front outboard
  • Seat adjuster, driver 10-way power including lumbar
  • Seat adjuster, passenger 10-way power including lumbar
  • Seating, heated driver and front outboard passenger
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • 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 under-seat storage, (includes child seat top tether anchor)
  • Floor covering, color-keyed carpeting
  • Floor mats, carpeted front (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
  • Floor mats, carpeted rear (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)
  • Steering column, manual Tilt-Wheel and telescoping
  • Steering wheel, wrapped
  • Steering wheel, heated
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Compass, located in instrument cluster
  • Exterior Temperature Display, located in radio display
  • Windows, power front, drivers express up/down
  • Window, power front, passenger express up/down
  • Windows, power rear, express down
  • Door locks, power
  • Keyless Open and Start includes remote keyless entry
  • Remote vehicle starter system
  • Cruise control, steering wheel-mounted
  • Theft-deterrent system, unauthorized entry
  • Steering column lock, electrical
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports, (2) charge-only, rear
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
  • Air conditioning, dual-zone automatic climate control
  • Air vents, rear
  • Defogger, rear-window electric
  • Mirror, inside rearview auto-dimming
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Automatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)
  • Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Daytime Running Lamps, LED signature lighting
  • 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.)
  • OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • 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.)
  • Hitch Guidance
  • HD Rear Vision Camera (Removed with (UV2) HD Surround Vision.)
  • Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
  • Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
  • Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)
  • Seat Belt Adjustable Guide Loops, front row only
  • 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) GMC Pro Safety.)
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • Rear Seat Reminder
  • Rear Seat Belt Indicator

ENGINE, 6.2L ECOTEC3 V8

  • (420 hp [313 kW] @ 5600 rpm
  • 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

  • Navigation System
  • High Capacity Suspension Package
  • Preferred Equipment Group 4SA
  • ProGrade Trailering System
  • SLT Convenience Package
  • SLT Preferred Package
  • SLT Premium Package
  • Standard Suspension Package
  • Trailering Package
  • X31 Off-Road and Protection Package
  • X31 Off-Road Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Audio System
  • SiriusXM with 360L Trial Subscription
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Interior Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows with Express Up/Down
  • Power Front Windows with Driver Express Up/Down
  • Power Rear Windows with Express Down
  • Power steering
  • Power windows
  • Push Button Start
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Auto-Locking Rear Differential
  • Manual Tilt-Wheel and Telescoping Steering Column
  • Off-Road Suspension
  • Power Rake and Telescoping Steering Column
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Emergency communication system: OnStar
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open and Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Auto High-beam Headlights
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Theft Deterrent System (unauthorized Entry)
  • Adaptive Cruise Control
  • Speed control
  • 170 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Bumpers: chrome
  • Chrome Header and Chrome Grille Insert Bars
  • Chrome Wheel to Wheel Assist Steps
  • Dual Active Exhaust
  • Dual Exhaust System
  • Electronic Precision Shift
  • Front License Plate Kit
  • Heated door mirrors
  • IntelliBeam Automatic High Beam on/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-on Pickup Bedliner with GMC Logo
  • X31 Hard Badge
  • 2 Charge/Data USB Ports
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 Type-C Charge-Only Rear USB Ports
  • All-Weather Floor Liner
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Buckle to Drive
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front reading lights
  • HD Rear Vision Camera
  • Heated steering wheel
  • Illuminated entry
  • Lane Keep Assist with Lane Departure Warning
  • OnStar Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear reading lights
  • Rear seat center armrest
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Voltmeter
  • Wi-Fi Hotspot Capable
  • Wireless Apple CarPlay/Wireless Android Auto
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster with Lumbar
  • 10-Way Power Passenger Seat Adjuster with Lumbar
  • Front 40/20/40 Split-Bench Seat
  • Front Bucket Seats
  • Heated 2nd Row Outboard Seats
  • Heated Driver and Front Outboard Passenger Seating
  • Heated front seats
  • Perforated Leather-Appointed Front Outboard Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver and Front Passenger Seats
  • Front Center Armrest w/Storage
  • Passenger door bin
  • Front Frame-Mounted Black Recovery Hooks
  • Hitch Guidance
  • Hitch View
  • in-Vehicle Trailering System App
  • Integrated Trailer Brake Controller
  • 20" Polished Aluminum Wheels
  • Alloy wheels
  • Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
  • Deep-Tinted Glass
  • Front Rain-Sensing Wipers
  • Power Sliding Rear Window with Rear Defogger
  • Rain sensing wipers
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
  • Mileage
    • Fuel Economy Est-Combined (MPG): 16
    • EPA Fuel Economy Est - City (MPG): 15
    • EPA Fuel Economy Est - Hwy (MPG): 19
    • EPA Fuel Economy Est - Hwy (MPG): 18
  • Electrical
    • Cold Cranking Amps @ 0° F (Primary): 730
    • Maximum Alternator Capacity (amps): 170
  • Cooling System
    • Total Cooling System Capacity (qts): - TBD -
  • Weight Information
    • Gross Axle Wt Rating - Front (lbs): 3800
    • Gross Axle Wt Rating - Rear (lbs): 3800
    • Curb Weight - Front (lbs): 2845
    • Curb Weight - Rear (lbs): 1981
    • Gross Vehicle Weight Rating Cap (lbs): 7100
    • Gross Combined Wt Rating (lbs): 15000
  • Trailering
    • Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
    • Dead Weight Hitch - Max Tongue Wt. (lbs): 500
    • Wt Distributing Hitch - Max Trailer Wt. (lbs): 9200
    • Wt Distributing Hitch - Max Tongue Wt. (lbs): 920
    • Fifth Wheel Hitch - Max Trailer Wt. (lbs): 8400
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2100
    • Maximum Trailering Capacity (lbs): 13100
  • Suspension
    • Suspension Type - Front: Independent
    • Suspension Type - Rear: Solid Axle
    • Spring Capacity - Front (lbs): 3800
    • Spring Capacity - Rear (lbs): 3850
    • Axle Type - Front: - TBD -
    • Axle Type - Rear: - TBD -
    • Axle Capacity - Front (lbs): 3800
    • Axle Capacity - Rear (lbs): 3800
    • Axle Ratio (:1) - Front: 3.23
    • Axle Ratio (:1) - Rear: 3.23
    • Shock Absorber Diameter - Front (mm): - TBD -
    • Shock Absorber Diameter - Rear (mm): - TBD -
    • Stabilizer Bar Diameter - Front (in): 1.30
  • Brakes
    • Brake Type: Pwr
    • Brake ABS System: 4-Wheel
    • Disc - Front (Yes or ): Yes
    • Disc - Rear (Yes or ): Yes
    • Front Brake Rotor Diam x Thickness (in): 13 x 1.18
    • Rear Brake Rotor Diam x Thickness (in): 13.6 x 0.79
  • Tires
    • Front Tire Order Code: QDF
    • Rear Tire Order Code: QDF
    • Spare Tire Order Code: XCQ
    • Front Tire Size: 265/65R18SL
    • Rear Tire Size: 265/65R18SL
    • Spare Tire Size: 265/70R17SL
    • Front Tire Capacity (lbs): - TBD -
    • Rear Tire Capacity (lbs): - TBD -
    • Spare Tire Capacity (lbs): - TBD -
    • Revolutions/Mile @ 45 mph - Front: N/A
    • Revolutions/Mile @ 45 mph - Rear: N/A
    • Revolutions/Mile @ 45 mph - Spare: N/A
  • Wheels
    • Front Wheel Size (in): 18 x 8.5
    • Rear Wheel Size (in): 18 x 8.5
    • Spare Wheel Size (in): 17 x 8
    • Front Wheel Material: Aluminum
    • Rear Wheel Material: Aluminum
    • Spare Wheel Material: Steel
  • Steering
    • Steering Type: Electric Rack & Pinion
    • Steering Ratio (:1), On Center: - TBD -
    • Steering Ratio (:1), At Lock: - TBD -
    • Turning Diameter - Curb to Curb (ft): 46.3
    • Turning Diameter - Wall to Wall (ft): N/A
  • Frame
    • Frame Type: Hydroformed
  • Fuel Tank
    • Fuel Tank Capacity, Approx (gal): 24
    • Fuel Tank Location: - TBD -
  • Exterior Dimensions
    • Wheelbase (in): 147.44
    • Length, Overall (in): 231.92
    • Width, Max w/o mirrors (in): 81.24
    • Height, Overall (in): 75.51
    • Overhang, Front (in): - TBD -
    • Overhang, Rear w/o bumper (in): - TBD -
    • Front Bumper to Back of Cab (in): - TBD -
    • Cab to Axle (in): - TBD -
    • Cab to End of Frame (in): - TBD -
    • Ground to Top of Load Floor (in): - TBD -
    • Ground to Top of Frame (in): - TBD -
    • Frame Width, Rear (in): - TBD -
    • Ground Clearance, Front (in): 8.08
    • Ground Clearance, Rear (in): 8.08
  • Cargo Area Dimensions
    • Cargo Box Length @ Floor (in): 69.92
    • Cargo Box Width @ Top, Rear (in): - TBD -
    • Cargo Box Width @ Floor (in): 71.4
    • Cargo Box Width @ Wheelhousings (in): 50.63
    • Cargo Box (Area) Height (in): 22.4
    • Tailgate Width (in): - TBD -
    • Cargo Volume (ft³): 62.9
    • Ext'd Cab Cargo Volume (ft³): - TBD -
  • Interior Dimensions
    • Passenger Capacity: 6
    • Front Head Room (in): 43.03
    • Front Leg Room (in): 44.53
    • Front Shoulder Room (in): 66.02
    • Front Hip Room (in): 61.18
    • Second Head Room (in): 40.12
    • Second Leg Room (in): 43.4
    • Second Shoulder Room (in): 65.16
    • Second Hip Room (in): 60.24
  • Summary
    • Vehicle Name: GMC Sierra 1500
    • Body Style: Crew Cab Pickup
    • Body Code: E63
  • Emissions
    • EPA Greenhouse Gas Score: 3
    • Tons/yr of CO2 Emissions @ 15K mi/year: 8.9
    • Tons/yr of CO2 Emissions @ 15K mi/year: 9.1
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May not represent actual vehicle. (Options, colors, trim and body style may vary)

*Any MPG listed is based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid only) and other factors. For additional information about EPA ratings, visit http://www.fueleconomy.gov/feg/label/learn-more-PHEV-label.shtml .