Meet the 2026 GMC Sierra 1500 AT4X, a commanding truck built for those who demand capability, comfort, and sophistication on and off the road.
- 4-Wheel Drive with Driver-Selectable Full-Locking Differentials
- EcoTec3 6.2L V8 Engine with Active Exhaust
- Hard Folding Truck Bed Cover by RealTruck
- Power Sunroof
- Bose Premium 12-Speaker Audio System with Wireless Apple CarPlay/Android Auto
- MultiPro Tailgate Audio System by Kicker
- SiriusXM with 360L Trial Subscription
- Navigation System with 15" Diagonal Head-Up Display
- Heated and Ventilated Front Seats with 16-Way Power Adjustment
- Spray-on Bedliner with GMC Logo
- Integrated Trailer Brake Controller with Hitch Guidance
- Off-Road Suspension with Hill Descent Control
- HD Surround Vision with Bed View Camera
- Automatic Emergency Braking with Front Pedestrian Detection
- Wireless Charging and Dual USB Charge/Data Ports
This AT4X arrives finished in a sophisticated Beige exterior, creating a refined presence whether parked at the jobsite or your driveway. The interior wraps you in full-grain leather, with memory seating, heated steering wheel, and dual-zone automatic climate control that places premium comfort at your fingertips. Every journey benefits from thoughtful technology integration, including the in-vehicle trailering system app and remote vehicle starter system.
The heart of this Sierra is the potent EcoTec3 6.2L V8, delivering 420 horsepower and 460 lb-feet of torque through a smooth 10-speed automatic transmission. The dual sport-mode active exhaust gives you control over your acoustic signature, while the off-road suspension and driver-selectable full-locking differentials ensure this truck handles challenging terrain with confidence.
This truck has been meticulously maintained with just over 3,000 miles on the odometer and comes with a clean CARFAX report and one-owner history. It has been serviced at our facility and includes our commitment to free lifetime state inspections. The dealer-installed upgradesâ"including the GMC MultiPro Tailgate Step Lights, sport step in black, and the RealTruck hard folding bed coverâ"demonstrate careful attention to both function and style.
Whether you're towing, hauling, exploring remote trails, or enjoying the open road, this Sierra 1500 AT4X delivers the performance and refinement you expect from GMC's premium truck line. Visit us to experience the commanding presence and capability of this exceptional vehicle firsthand.
Used 2026 GMCSierra 1500 AT4X
- Exterior Color
- Coastal Dune
- Interior Color
- Obsidian Rush
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Fuel Economy
- 14/16 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- V-8 cyl
- VIN
- 3GTUUFEL8TG193509
- Stock Number
- ZGU1439
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
- Black Sport Step
- 3.23 Rear Axle Ratio
- Preferred Equipment Group 4SG
- GMC Pro Safety
- Forward Collision Alert
- Following Distance Indicator
- Front Pedestrian Braking
- IntelliBeam Automatic High Beam on/Off
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking
- Buckle to Drive
- Safety Alert Seat
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Bose Premium Series with 12- Speaker System
- SiriusXM with 360L Trial Subscription
- Floor-Mounted Center Console
- Multicolor 15" Diagonal Head-Up Display
- Electric Rear-Window Defogger
- Power Door Locks
- Push Button Start
- Remote Vehicle Starter System
- Keyless Open and Start
- Color-Keyed Carpeting Floor Covering
- Front Premium Floor Liners with Removable Carpet Insert
- Rear Premium Floor Liners with Removable Carpet Insert
- OnStar Services Capable
- Wi-Fi Hotspot Capable
- 120-Volt Interior Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 2 Type-C Charge-Only Rear USB Ports
- 2 USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- HD Surround Vision
- Trailer Side Blind Zone Alert
- Trailer Camera Provisions
- Bed View Camera
- Heated Driver and Front Outboard Passenger Seating
- Ventilated Driver and Front Passenger Seats
- Heated 2nd Row Outboard Seats
- Steering Wheel Audio Controls
- Power Rake and Telescoping Steering Column
- Power Sunroof
- Theft Deterrent System
- Universal Home Remote
- Power Sliding Rear Window with Rear Defogger
- Power Front Windows with Driver Express Up/Down
- Power Front Passenger Windows with Express Up/Down
- Power Rear Windows with Express Down
- Wireless Charging
- Spray-on Pickup Bedliner with GMC Logo
- Deep-Tinted Glass
- Gloss Black Header with Dark Nickel Grille Insert Bars
- LED Cargo Area Lighting
- Perimeter Lighting
- MultiPro Tailgate Audio System by Kicker
- Ultrasonic Front and Rear Park Assist
- Rear Wheelhouse Liners
- Front Rain-Sensing Wipers
- Trailering Package
- Hitch Guidance
- Hitch View
- in-Vehicle Trailering System App
- Trailer Tire Pressure Monitor System
- Heavy-Duty Air Filter
- Driver-Selectable Full-Locking Front Differential
- Driver-Selectable Full-Locking Rear Differential
- Hill Descent Control
- Skid Plates
- Off-Road Suspension
- Integrated Trailer Brake Controller
- 2-Speed Transfer Case
- Front License Plate Kit
- Wheels: 18" x 8.5" Painted Aluminum
- GVWR: 7,100 lbs
- GMC MultiPro Tailgate Step Lights
- Hard Folding Truck Bed Cover
- Radio: Premium GMC Infotainment Audio System
- Wireless Apple CarPlay/Wireless Android Auto
- Transmission: 10-Speed Automatic
- Front Bucket Seats
- 16-Way Power Driver Seat Adjuster with Lumbar
- 16-Way Power Passenger Seat Adjuster with Lumbar
- Driver Memory
- External Engine Oil Cooling
- Engine: 6.2L EcoTec3 V8
- 170 Amp Alternator
- 730 Heavy-Duty Battery
- Auxiliary External Transmission Oil Cooler
- Dual Active Exhaust
Standard 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
- Compressor: Not Available
- Cylinder configuration: V-8
- Cylinder deactivation
- Drive type: four-wheel
- Engine liters: 6.2L
- Engine location: front
- Front locking differential
- Fuel economy city: 14mpg
- Fuel economy combined: 19mpg
- Fuel economy highway: 16mpg
- Fuel tank capacity: 24.0gal.
- Horsepower: 420hp @ 5,600RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 16
- Rear locking differential
- Recommended fuel: Premium Unleaded
- Standard fuel economy fuel type: gasoline
- Torque: 460 lb.-ft. @ 4,100RPM
- 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
- Tonneau cover
- Trailer hitch
- Trailer sway control
- Compression ratio: 11.50 to 1
- Curb weight: 2,595kg (5,720lbs)
- Engine bore x stroke: 103.3mm x 92.0mm (4.07" x 3.62")
- Engine displacement: 6.2 L
- Engine torque: 460 lb.-ft. @ 4,100RPM
- 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")
- GVWR: 3,221kg (7,100lbs)
- Greenhouse Gas Score (GG): 3
- Payload: 612kg (1,350lbs)
- 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")
- Towing capacity: 3,946kg (8,700lbs)
- 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
Dealer Notes
KBB.com Consumer Reviews
*Discounts and pricing may be contingent on dealer source financing. The advertised price does not include sales tax, vehicle registration fees, finance charges, and any other fees required by law. Price excludes $490 documentation fee. Brand new vehicles with Aubrey Alexander Discount will have rebates factored into Your Price. We attempt to update this inventory on a regular basis. However, there can be lag time between the sale of a vehicle and the update of the inventory.