Meet the 2026 GMC Sierra 2500HD AT4, a commanding 4D crew cab finished in white with professional-grade capability and refined comfort. Powered by the legendary Duramax 6.6L V8 turbodiesel engine paired with a smooth 10-speed automatic transmission, this 4WD truck delivers the performance and efficiency you demand. With leather seating, advanced technology, and the rugged AT4 package, this Sierra is ready for work or weekend adventures.
- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission
- 4WD with 2-Speed Active Transfer Case and off-road suspension
- Heated and ventilated leather front seats with 10-way power adjustment
- Premium Bose 7-speaker audio with Apple CarPlay, Android Auto, and wireless phone projection
- Advanced safety suite: automatic emergency braking, lane departure warning, rear cross traffic alert, and surround-view camera system
- 20-inch high-gloss black aluminum wheels with all-terrain capability
- Wireless charging and dual USB ports for seamless connectivity
- X31 off-road package with hill descent control and specialized suspension
- Spray-on bedliner with GMC logo and LED cargo lighting
- Remote vehicle starter and keyless push-button start
This Sierra 2500HD represents the ideal balance of capability, technology, and comfort for the discerning truck buyer. With remarkably low mileage for a 2026 model, this truck is primed for years of dependable service. Visit us today to experience the commanding presence and refined power of the AT4 firsthand.
2026 GMC Sierra 2500 HD AT4
- Used
- Diesel
$70,528Price
$71,828Final Sale Price
Sunny Mitsubishi - Jacksonville
Call 904-902-9501
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The overview
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 23,247 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT4UPEY7TF264122
- Stock Number
- 892JMU
The highlights
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Premium audio 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
- 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
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 13.4"
- 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
- Cylinder configuration: V-8
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- 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
- Ground clearance (min): 257mm (10.1")
- 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
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Engine displacement: 6.6 L
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,369mm (250.8")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,039mm (159.0")
- 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
- Lane departure: Lane Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic 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 Alert warning
- Security system
- Traction control
Notes from the dealer
KBB.com Consumer Reviews
0.0out of 5 overall*This charge represents costs and profit to the dealer for items such as inspecting, cleaning, and adjusting vehicles, and preparing documents related to the sale.
** Prices do not include government fees and taxes, tax, tag, title registration and any emission testing charge. Financing on approved credit. Factory rebates and dealer bonus cash are in lieu of special factory APR's and factory supported lease unless otherwise stated. These programs may not be available to all customers.