This 2025 GMC Sierra 2500HD AT4 delivers commanding capability with its legendary Duramax 6.6L V8 Turbodiesel engine paired to a smooth 10-speed automatic transmission. Built on the AT4 platform with 4WD and the X31 Off-Road Package, this crew cab is engineered for serious work and adventure. With just over 15,400 miles, this white crew cab standard bed combines premium comfort and advanced technology in a package designed to handle anything you demand.
- Duramax 6.6L V8 Turbodiesel with Turbo
- 2-Speed Active Transfer Case with Off-Road Suspension
- Bose Premium 7-Speaker Sound System with SiriusXM
- Heated & Ventilated Front Seats with 10-Way Power Adjustment
- Spray-On Pickup Bedliner with GMC Logo
- Bed View Camera with Trailer Camera Provisions
- HD Surround Vision with Ultrasonic Park Assist
- Wireless Phone Projection and Wireless Charging
- Heated Steering Wheel and Remote Vehicle Starter
- 120-Volt Power Outlets (Bed & Instrument Panel)
The AT4 trim elevates this Sierra with premium Jet Black leather appointed seating accented with Kalahari details, creating an upscale cab environment. Safety technology is comprehensiveâ"featuring automatic emergency braking, lane departure warning, trailer side blind zone alert, and rear cross traffic alert. Convenience features including push button start, keyless entry, heated second-row outboard seats, and integrated trailer viewing software make this truck as practical as it is capable. Contact us today to experience this formidable Sierra 2500HD and discover why discerning truck buyers choose the AT4 platform for their hardest-working days.
VIN: 1GT4UPEY1SF311854Stock #: SU67402025 GMC Sierra 2500HD AT4
- Used
- Diesel
Finance Terms
Alexander Subaru
Call 877-890-7752
We’re here to help
The overview
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Odometer
- 15,488 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- V-8 cyl
- VIN
- 1GT4UPEY1SF311854
- Stock Number
- SU6740
The highlights
- 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
- Auto high-beam headlights
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
- 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
- Block heater
- Compressor: intercooled turbo
- Cylinder configuration: V-8
- Drive type: four-wheel
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 470hp @ 2,800RPM
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: diesel
- Torque: 975 lb.-ft. @ 1,600RPM
- 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
- Compression ratio: 16.00 to 1
- Curb weight: 3,733kg (8,229lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine torque: 975 lb.-ft. @ 1,600RPM
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,369mm (250.8")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- GVWR: 5,148kg (11,350lbs)
- Payload: 1,398kg (3,083lbs)
- 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")
- Towing capacity: 8,391kg (18,500lbs)
- 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
Track your progress
Peace of mind
Optional add-on protection
- GAP Protection
- Lifetime Powertrain
- Tires and Wheels
- Paint Protection
A name you can trust
Blaise Alexander Chevrolet of Altoona is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
More about us
3.6
Dealer Processing Fee $449