Meet the 2026 GMC Sierra 1500 SLT, a powerful diesel crew cab designed for those who demand capability with premium comfort. This Onyx Black truck combines a responsive 3.0L I-6 diesel turbocharged engine with a smooth 10-speed automatic transmission and full-time 4WD, delivering an impressive 22 city and 26 highway MPG. The SLT trim wraps you in leather appointments and modern technology while the Texas Edition SLT Premium Plus Package elevates the experience with exclusive styling and premium amenities.
Key Features:
- Apple CarPlay and Android Auto connectivity
- Premium Bose 7-speaker sound system
- Adaptive cruise control and lane keep assist
- HD surround vision with rear cross traffic braking
- Wireless charging and navigation system
- Ventilated driver and front passenger seats
- Power sunroof and power sliding rear window
- ProGrade trailering system with integrated trailer brake controller
- Spray-on pickup bedliner with GMC logo
- X31 off-road and protection package
This well-maintained truck is ready for work or weekend adventures. With an X31 off-road package, trailering technology, and premium safety features like automatic emergency braking and rear pedestrian detection, you're equipped for whatever comes next. Stop by to experience this Sierra's blend of rugged capability and refined luxury firsthand.
Shop with confidence at Matt Bowers Ford in Metairie, LA, proudly serving New Orleans, Kenner, Jefferson, Harahan, River Ridge and Southeast Louisiana. Whether you're searching for a new Ford F-150, Super Duty, Bronco, Explorer, Expedition, Maverick, Ranger, Mustang or a quality used car, truck or SUV, we're here to help.
Every vehicle receives a professional inspection by certified technicians, and most qualify for our LIFETIME POWERTRAIN WARRANTY. We aggressively price our inventory to provide exceptional value to Greater New Orleans car and truck shoppers. Our vehicles typically sell within 20â"30 days, so call 504-293-1100 today to confirm availability and schedule your test drive.
Online price includes $459 (Doc Fee, Convenience Fee). Vehicles may have optional added equipment. See Dealer for details.
Used 2026 GMCSierra 1500 SLT
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Black
- Odometer
- 18,541 miles
- Fuel Economy
- 15/18 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- VIN
- 3GTUUDE80TG120683
- Stock Number
- 40813A1
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
- High Capacity Suspension Package
- Preferred Equipment Group 4SA
- ProGrade Trailering System
- Sierra Safety Plus Package
- SLT Convenience Package
- SLT Preferred Package
- Standard Suspension Package
- Texas Edition SLT Premium Plus 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
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Heavy-Duty Air Filter
- Auto-dimming door mirrors
- Bumpers: chrome
- Chrome Header and Chrome Grille Insert Bars
- Chrome Wheel to Wheel Assist Steps
- Dual Exhaust System
- Electronic Precision Shift
- 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
- Texas Edition Badging
- 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
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Lane Keep Assist with Lane Departure Warning
- OnStar Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Rear reading lights
- Rear seat center armrest
- Safety Alert Seat
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Camera Provisions
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front and Rear Park Assist
- 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
- Trailer Tire Pressure Monitor System
- 20" Polished Aluminum Wheels
- Alloy wheels
- Wheel Locks (set of 4)
- 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
- BLUETOOTH
- BACK UP CAMERA
- APPLE/ANDROID CARPLAY
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
- 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: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 15mpg
- Fuel economy combined: 16mpg
- Fuel economy highway: 18mpg
- Fuel tank capacity: 24.0gal.
- 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): 206mm (8.1")
- Ramp breakover angle: 18 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: 1,918mm (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
KBB.com Consumer Reviews
New, Pre-Owned, Certified, Demo and Loaner Vehicles Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices, specifications and availability subject to change without notice. Contact dealer for most current information.