This 2026 GMC Sierra 1500 AT4 in white delivers the capability and refinement you expect from a premium truck, equipped with features designed for both demanding work and comfortable daily driving.
- AT4 Preferred Package
- AT4 Premium Package
- Technology Package
- Trailering Package
- Premium Bose 7-Speaker Sound System
- SiriusXM with 360L Trial Subscription
- Navigation System
- Heated and Ventilated Front Seating
- Remote Vehicle Starter System
- Auto-Locking Rear Differential
- Off-Road Suspension with Hill Descent Control
- 20" Machined Aluminum Wheels
- Spray-on Pickup Bedliner with GMC Logo
- HD Surround Vision with Rear Camera Mirror
- Integrated Trailer Brake Controller
The 3.0L I6 engine paired with a 10-speed automatic transmission and 4WD provides the power and control for any terrain, delivering 22 city and 26 highway MPG. The AT4 branding signals serious off-road capability, backed by features like the auto-locking rear differential, off-road-tuned suspension, and hill descent control that enhance traction and stability on challenging surfaces.
Inside, the cabin reflects GMC's commitment to quality with a color-keyed carpeted floor, front premium floor liners with removable carpet inserts, and a floor-mounted center console providing organized storage. The heated and ventilated front seats with 10-way power adjustment and lumbar support ensure comfort on long drives, while remote keyless entry, push button start, and a remote vehicle starter system add convenience to your daily routine.
Technology integrates seamlessly into your experience with wireless Apple CarPlay and Android Auto, a multicolor 15-inch head-up display, and the GMC Infotainment audio system paired with the Bose 7-speaker setup. SiriusXM with 360L trial subscription keeps you connected to entertainment across the country, while the navigation system and Wi-Fi hotspot capability support your on-the-go lifestyle. Safety features including automatic emergency braking, lane keep assist with lane departure warning, and rear pedestrian detection provide confidence behind the wheel.
For trailering duties, this truck is fully prepared with the integrated trailer brake controller, hitch guidance, hitch view, and the in-vehicle trailering system app that puts control at your fingertips. The bed view camera and HD surround vision with rear camera mirror enhance visibility, while red recovery hooks and the 3.23 rear axle ratio support your hauling requirements.
The AT4 AT4 package combines black badging elementsâ"including black chrome grille inserts, black GMC emblems, and black Sierra nameplatesâ"with practical features like the spray-on bedliner with GMC logo and off-road high-clearance step. A 120-volt bed-mounted power outlet and 120-volt interior power outlet support your tools and devices, while the power sliding rear window with rear defogger adds utility to the design.
We invite you to experience this 2026 Sierra 1500 AT4 firsthand and discover how its blend of capability, comfort, and technology can enhance your driving experience. Contact us today to schedule a test drive and explore financing options that work with your budget. Not all customers may qualify for all rebates listed, see dealer for details. Price includes: $1750 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026 $500 - Buick GMC Bonus Cash. Exp. 08/03/2026 Price includes $225 in dealer added accessories.
2026 GMC Sierra 1500 AT4 Truck
- Used
- Diesel
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Request Photos$76,349MSRP
$74,324Sale Price
ORR Pre-Owned of Longview
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The overview
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 4 miles
- Body/Seating
- Truck/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 3GTUUEE83TG440490
- Stock Number
- TG440490
The highlights
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
- Front dual zone A/C
The full 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
- 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
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- 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
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- 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
- Ventilated front seats
- Block heater
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 22mpg
- Fuel economy combined: 24mpg
- Fuel economy highway: 26mpg
- 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): 282mm (11.1")
- Ramp breakover angle: 21 deg
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- 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
- Tailpipe finisher: chrome
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,990mm (78.3")
- Exterior length: 5,916mm (232.9")
- Front hiproom: 1,544mm (60.8")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,638mm (64.5")
- Greenhouse Gas Score (GG): 4
- 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 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
- 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
Notes from the dealer
Base MSRP excludes transportation and handling charges, destination charges, taxes, title, registration, preparation and documentary fees, tags, labor and installation charges, insurance, and optional equipment, products, packages and accessories. Options, model availability and actual dealer price may vary. See dealer for details, costs and terms.
AMG® and 4MATIC® are registered trademarks of Mercedes-Benz Group AG.
Android Auto™ is a trademark of Google LLC.
Apple CarPlay® is a registered trademark of Apple Inc.
harman/kardon® and Logic 7 are registered marks of Harman International Industries, Incorporated
Burmester® is a registered trademark of Burmester Audiosysteme GmbH, Berlin, Germany
Bluetooth® is a registered mark of Bluetooth SIG, Inc.
AMG® and 4MATIC® are registered trademarks of Mercedes-Benz Group AG.
Android Auto™ is a trademark of Google LLC.
Apple CarPlay® is a registered trademark of Apple Inc.
harman/kardon® and Logic 7 are registered marks of Harman International Industries, Incorporated
Burmester® is a registered trademark of Burmester Audiosysteme GmbH, Berlin, Germany
Bluetooth® is a registered mark of Bluetooth SIG, Inc.
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