Equipment
This unit is equipped with the latest generation of XM/Sirius Radio. This unit has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Apple CarPlay: Seamless smartphone integration for this unit - stay connected and entertained on the go! The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Engulf yourself with the crystal clear sound of a BOSE sound system in this GMC Sierra. This 2026 GMC Sierra 2500 warns of approaching vehicles with Cross-Traffic Alert. Never get into a cold vehicle again with the remote start feature on this GMC Sierra. The vehicle's Lane Departure Warning helps keep you in your lane. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . The vehicle features steering wheel audio controls. See what's behind you with the back up camera on the vehicle.
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; Wireless Charging; Front Bucket Seats. X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates. 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 Cam Provisions and Trailer Viewing Software; Bed View Camera with Two Trailer Camera Provisions. Preferred Equipment Group 4SA: LED Cargo Area Lighting; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Chrome Surround Grille with Chrome Insert Bars; 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; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Power Front Passenger Windows with 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. SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control. 6 Rectangular Chromed Tubular Assist Steps. Spray-On Pickup Bedliner with GMC Logo. Sterling Metallic. GMC MultiPro Tailgate. All-Weather Floor Liners. Skid Plates. LED Smoked Amber Roof Marker Lamps. 5th Wheel and Gooseneck Trailer Wiring Provisions. **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.**
New 2026 GMCSierra SLT
- Diesel
- Sterling Metallic Exterior
- Jet Black Interior
- 10-speed automatic
- 4WD
- V8, 6.6L Engine
- VIN 1GT4UNEY3TF308721
- Stock # C26351
Highlighted Features
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Exterior parking camera rear
- Front dual zone A/C
- Auto high-beam headlights
- Rain sensing wipers
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
Included Packages & Accessories
- 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; Wireless Charging; Front Bucket Seats
- X31 Off-Road Package: Off-Road Suspension; Hill Descent Control; Skid Plates
- 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 Cam Provisions and Trailer Viewing Software; Bed View Camera with Two Trailer Camera Provisions
- Preferred Equipment Group 4SA: LED Cargo Area Lighting; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Electric Rear-Window Defogger; Chrome Surround Grille with Chrome Insert Bars; 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; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Power Front Passenger Windows with 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
- SLT Preferred Package: Heated 2nd Row Outboard Seats; Power Sliding Rear Window with Defogger; Universal Home Remote; Adaptive Cruise Control
- 6 Rectangular Chromed Tubular Assist Steps
- Spray-On Pickup Bedliner with GMC Logo
- Sterling Metallic
- GMC MultiPro Tailgate
- All-Weather Floor Liners
- Skid Plates
- LED Smoked Amber Roof Marker Lamps
- 5th Wheel and Gooseneck Trailer Wiring Provisions
- Apple CarPlay/Android Auto smart device wireless mirroring
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- Wi-Fi Hotspot capable mobile hotspot internet access
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Adaptive cruise control
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- Lane Departure Warning
- Rear Cross-Traffic Alert collision warning
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- HD Surround Vision aerial view camera
- Smart device remote start
- Push-button
- GCW Alert weight capacity alert
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Bluetooth wireless audio streaming
- Hitch Guidance with Hitch View vehicle to trailer hitching assist
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Pickup box camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- Following Distance Indicator
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
- Bose speakers
- OnStar vehicle integrated emergency SOS system
- Bluetooth handsfree wireless device connectivity
- Trailer brake controller
- Trailer sway control
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
- Front beverage holders
- Front dual zone A/C
- 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
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Smart device integration: Apple CarPlay/Android Auto
- 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
- Heated front seats
- Leather upholstery
- 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
- 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): 256mm (10.1")
- Auto-dimming door mirrors
- 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
- Engine displacement: 6.6 L
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,023mm (79.7")
- 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
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- 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: 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
Dealer Notes
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