Meet the 2026 GMC Sierra 1500 SLT, a powerful diesel crew cab built for those who demand capability and refinement. This Onyx Black Crew Cab Short Box combines a turbocharged 3.0L I-6 diesel engine with a smooth 10-speed automatic transmission and rear-wheel drive, delivering excellent efficiency with 23 city and 28 highway MPG. The SLT trim brings premium comfort and technology to the truck segment, wrapped in a sophisticated package designed for both work and weekend adventures.
Key features include:
- Premium GMC Infotainment Audio System with SiriusXM 360L trial subscription
- Wireless Apple CarPlay and Android Auto connectivity
- Heated and ventilated front seats with 10-way power adjustment and lumbar support
- Perforated leather-appointed seating throughout
- Navigation system with integrated trailer brake controller
- Automatic emergency braking and lane keep assist with departure warning
- Onboard Wi-Fi hotspot capability
- Remote vehicle starter with keyless entry and push-button start
- Engine block heater for reliable cold-weather performance
- HD rear vision camera and front fog lights
This new Sierra delivers the advanced safety, convenience, and comfort features you expect in a modern truck. We invite you to experience the capability and luxury of this exceptional vehicle in personâ"schedule your visit today.
A DESCRIPTION OF EQUIPMENT INFORMATION ON THIS VEHICLE COMES FROM SEVERAL INFORMATION SOURCES. THE EQUIPMENT COULD HAVE BEEN ALTERED BY PREVIOUS OWNERS OR DELETED WHEN ORDERED FROM FACTORY STD EQUIPMENT. WE DO OUR BEST TO GET ACCURATE INFORMATION. WE ASK THAT YOU INSPECT THE VEHICLE THOROUGHLY AT TIME OF DEMONSTRATION. Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $6250 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026
New 2026 GMCSierra 1500 SLT
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Black
- Fuel Economy
- 16/20 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x2
- Engine
- I-6 cyl
- VIN
- 1GTPHDE88TZ455739
- Stock Number
- G455739
GMC
Sierra 1500
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- 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
- Navigation System
- Preferred Equipment Group 4SA
- SLT Convenience Package
- Standard Suspension Package
- Trailering Package
- 6-Speaker Audio System Feature
- 9 Speakers
- 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
- Auto-Locking Rear Differential
- Manual Tilt-Wheel and Telescoping Steering Column
- 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
- Brake assist
- Electronic Stability 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)
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Auto-dimming door mirrors
- Bumpers: chrome
- Chrome Header and Chrome Grille Insert Bars
- 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
- 2 Charge/Data USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 Type-C Charge-Only Rear USB Ports
- 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 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
- Integrated Trailer Brake Controller
- Alloy wheels
- Wheels: 18" x 8.5" 6-Spoke Machined Aluminum
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
- Rain sensing wipers
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
Detailed Specifications
- 1-touch down
- 1-touch up
- 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
- Navigation system
- 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
- Speed-sensing steering
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- 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 deactivation
- Drive type: rear-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 16mpg
- Fuel economy combined: 17mpg
- Fuel economy highway: 20mpg
- 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
- Rear locking differential
- Transmission: 10 speed automatic
- Variable valve control
- Approach angle: 19 deg
- Departure angle: 24 deg
- Ground clearance (min): 201mm (7.9")
- Ramp breakover angle: 19 deg
- 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
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,917mm (75.5")
- Exterior length: 5,890mm (231.9")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Greenhouse Gas Score (GG): 3
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,529mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,656mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: digital/analog
- Auto high-beam headlights
- Compass
- Configurable
- Delay-off headlights
- Front fog lights
- 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
- 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
*Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory and actual selling price. All prices plus tax, title & license with approved credit. MSRP includes delivery, processing, and handling fees. Dealer doc fee of $225 not included in the price. Prices may be different outside of each advertised period and do not necessarily reflect cash price at any other time. Inventory is subject to prior sale. We are not responsible for typographical, technical, or misprint errors. Please contact us directly via phone or email to verify all information.
- MSRP
- $60,940
- Classic Discount
- -$13,096
- Price
- $47,844
- We're here to help: 409-744-5711
- We're here to help: 409-744-5711