
2026 GMC Sierra 2500HD AT4 4WD
- Used
- Diesel
The overview
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black
- Odometer
- 6,552 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT4UPEYXTF237027
- Stock Number
- 6064
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
*ONE OWNER*, *SERVICED AND INSPECTED*, *CLEAN CARFAX REPORT*
This 2026 GMC Sierra 2500HD is equipped with
Engine: 6.6L V8 Duramax Turbodiesel
Transmission: 10 Speed Allision Automatic
Bed Length: 6'6" Box
Axle Ratio: 3.42
Towing Capacity: 17,800lbs
KEY FEATURES:
Chevy Safety Assist
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
IntelliBeam Auto High Beam
Lane Departure Warning
Automatic Emergency Braking
Safety Alert Seat
Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Remote Engine Start
Remote Keyless Entry w/ Push Button Start
Heated & Ventilated Front Power Bucket Seats
Driver Seat Memory
Heated Leather Wrapped Steering Wheel
Heated Rear Outboard Seats
Dual Zone Automatic Climate Control
Auto Dimming Rearview Mirror
2 Speed AutoTrac Transfer Case
Traction Select System w/ Off-Road & Tow Haul Mode
Trailer Brake Controller
13.4" GMC Premium Infotainment System Display w/ Google-Built In
Bose Premium Sound System
Apple CarPlay/ Android Auto
Bluetooth Audio Streaming
AM/FM/SXM Radio
USB/AUX Ports
Automatic Animated LED Headlamps
LED Foglamps
Power Folding/Extend Heated Exterior Trailering Mirrors
Power Sliding Rear Window
Spray On Bedliner
GMC MultiPro Tailgate
HD Surround Vison
Front & Rear Park Assist
Auto Locking Rear Differential
2026 GMC Sierra 2500HD AT4
KBB.com Consumer Reviews
* Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability, fitness for a particular purpose, title or non-infringement. All vehicles are subject to prior sale. Price does not include applicable tax, title, and license. Not responsible for typographical errors.
**The arrival timeline is an estimate. It may vary due to circumstances beyond Subaru’s or the retailer’s control.
Exterior
Color: Onyx Black
Interior Color: Jet Black
VIN: 1GT4UPEYXTF237027
Stock: 6064
View this 2026 GMC Sierra 2500HD Truck Crew Cab AT4 4WD for sale at Don K Subaru in Whitefish, MT.




