Price includes $1,099 documentation fee, $399 electronic filing fee. Excludes taxes, title, and license.
Meet the 2026 GMC Sierra 1500 AT4Xâ"a premium crew cab diesel truck engineered for serious capability and refined comfort. With its striking silver exterior, Obsidian Rush leather interior, and distinctive AT4X AEV Edition styling, this 4WD powerhouse combines off-road readiness with upscale appointments that elevate every drive.
- AEV Stamped-Steel Rear Bumper and AEV Tailgate Decal with Exterior Badging
- 18" x 8.5" 12-Spoke High Gloss Black Wheels
- Navigation System with Hitch Guidance
- Wireless Apple CarPlay and Android Auto
- Heated and Ventilated Front Seats with 16-Way Power Adjustment
- Bose Premium 12-Speaker Audio System with SiriusXM
- Engine Block Heater and Off-Road Suspension
- Trailering Package with Integrated Trailer Brake Controller
- Hill Descent Control and Locking Front and Rear Differentials
- Power Moonroof and HD Surround Vision Camera
This AT4X features a 3.0L turbodiesel I6 engine with 10-speed automatic transmission, delivering strong hauling performance at 19 city and 20 highway MPG. The truck rides on an off-road-tuned suspension with driver-selectable locking differentials and hill descent controlâ"ready for adventure or work. Inside, the Obsidian Rush leather, genuine wood accents, and 15-inch head-up display create a commanding cabin. Advanced safety technologies including automatic emergency braking, lane keep assist, and trailer side blind zone alert provide confidence in every situation.
Visit us today to experience this distinctive, fully equipped Sierra AT4X and discover why it's the truck that refuses to compromise.
Used 2026 GMCSierra 1500 AT4X
- Diesel
- Exterior Color
- Sterling Metallic
- Interior Color
- Obsidian Rush
- Odometer
- 5,605 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 3GTUUFE83TG236861
- Stock Number
- TX438490A
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Power moonroof
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
Included Packages & Accessories
- Navigation System
- AT4X AEV Edition
- Preferred Equipment Group 4SG
- Trailering Package
- 12 Speakers
- AM/FM radio: SiriusXM with 360L
- Bose Premium Series with 12- Speaker System
- MultiPro Tailgate Audio System by Kicker
- 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
- Heads-Up Display
- 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
- 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 moonroof
- Power Sunroof
- AEV Stamped-Steel Rear Bumper
- 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)
- Speed control
- Driver-Selectable Full-Locking Front Differential
- Driver-Selectable Full-Locking Rear Differential
- 220 Amp Alternator
- Block heater
- Engine Block Heater
- Heavy-Duty Air Filter
- AEV Tailgate Decal with Exterior Badging
- Auto-dimming door mirrors
- Gloss Black Door Handles
- Gloss Black Header with Dark Nickel Grille Insert Bars
- Heated door mirrors
- IntelliBeam Automatic High Beam on/Off
- LED Cargo Area Lighting
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Rocker Protection
- Spray-on Pickup Bedliner with GMC Logo
- 1st & 2nd Row AEV All-Weather Floor Liners (LPO)
- 2 Charge/Data USB Ports Inside Center Console
- 2 Type-C Charge-Only Rear USB Ports
- 2 USB Ports
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera
- 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 Premium Floor Liners with Removable Carpet Insert
- Front reading lights
- Garage door transmitter
- Genuine wood dashboard insert
- Genuine wood door panel insert
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Lane Keep Assist with Lane Departure Warning
- Leather steering wheel
- Multicolor 15" Diagonal Head-Up Display
- OnStar Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Rear Premium Floor Liners with Removable Carpet Insert
- 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
- 16-Way Power Driver Seat Adjuster with Lumbar
- 16-Way Power Passenger Seat Adjuster with Lumbar
- AEV Branded Front Head Restraints
- Front Bucket Seats
- Front Center Armrest
- Full Grain Leather Seat Trim
- Heated 2nd Row Outboard Seats
- Heated Driver and Front Outboard Passenger Seating
- Heated front seats
- Heated rear seats
- Power passenger seat
- Split folding rear seat
- Ventilated Driver and Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- Hitch Guidance
- Hitch View
- in-Vehicle Trailering System App
- Integrated Trailer Brake Controller
- Trailer Tire Pressure Monitor System
- Alloy wheels
- Wheels: 18" x 8.5" 12-Spoke High Gloss Black
- Wheels: 18" x 8.5" Painted 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
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
- Garage door transmitter
- Heated steering wheel
- Illuminated entry
- Memory seat
- Moonroof sunshade: manual
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power moonroof
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front tires: 275/70SR18.0
- Front wheel independent suspension
- Power steering
- Rear tires: 275/70SR18.0
- Speed-sensing steering
- Wheel size: 18"
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 12
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather steering wheel
- Leather upholstery
- Max seating capacity: 5
- Power 4-way driver lumbar support
- Power 4-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
- Ventilated front seats
- Block heater
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Front locking differential
- Fuel economy city: 19mpg
- Fuel economy combined: 19mpg
- Fuel economy highway: 20mpg
- 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 intake manifold
- Variable valve control
- Approach angle: 26 deg
- Departure angle: 23 deg
- Ground clearance (min): 292mm (11.5")
- Ramp breakover angle: 23 deg
- Auto-dimming door mirrors
- Bedliner
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,998mm (78.7")
- Exterior length: 5,944mm (234.0")
- Front headroom: 1,013mm (39.9")
- Front hiproom: 1,544mm (60.8")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,638mm (64.5")
- Greenhouse Gas Score (GG): 3
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,505mm (59.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,626mm (64.0")
- Turning radius: 7.2m (23.7')
- Wheelbase: 3,747mm (147.5")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera cargo
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Heads up display
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: Front and Rear Park Assist front and rear
- 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
- Rear collision: Rear Cross Traffic Braking mitigation
- Security system
- Traction control