2025 GMC Sierra 2500HD AT4



  • $77,765 MAC HAIK PRICE


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  • *Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.

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Vehicle Information

VIN: 1GT4UPEY1SF337256
Stock #: CA37256
Model Code: TK20743
  • Body Style Crew Cab Pickup
  • Exterior Color Gray
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 14,141
  • Engine 8 Cyl - 6.6 L
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

2025 GMC Sierra 2500HD AT4

VIN: 1GT4UPEY1SF337256
Mileage: 13,501 Miles

Performance & Capability
6.6L Duramax® Turbo-Diesel V8
Allison® automatic transmission
4WD capability
AT4 off-road suspension and trail-ready setup
Strong towing and hauling performance
Built for heavy-duty work and everyday drivability
Interior & Comfort
Premium AT4 interior styling
Spacious crew cab layout
Comfortable front and rear seating
Practical storage throughout the cabin
Refined heavy-duty truck comfort
Technology & Connectivity
GMC infotainment system
Large touchscreen display
Apple CarPlay® and Android Auto™ capability
Bluetooth® hands-free connectivity
Rear vision camera
Driver information display
Exterior Highlights
AT4 off-road styling
Bold GMC front-end design
Heavy-duty pickup bed
Rugged stance with premium trim accents
Built for both appearance and capability
CARFAX Highlights

✅ No Accidents or Damage Reported
✅ Regular Oil Changes
✅ CARFAX 1-Owner Vehicle
✅ 5 Detailed Records Available

Why This Sierra Stands Out
Low mileage
AT4 trim adds off-road capability and aggressive styling
Heavy-duty diesel power
Great fit for towing, work, or premium truck buyers

Eligible Benefits

All Features

Additional Packages


    • AT4 Preferred Package
    • AT4 Premium Plus Package
    • Preferred Equipment Group 4SB
    • Technology Package
    • X31 Off-Road Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Bose Premium 7-Speaker Sound System
    • Radio: AM/FM w/Premium GMC Infotainment System
    • SiriusXM w/360L Trial Subscription
    • Steering Wheel Audio Controls
    • Air Conditioning
    • Automatic temperature control
    • Electric Rear-Window Defogger
    • Front dual zone A/C
    • Rear window defroster
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Push Button Start
    • Remote keyless entry
    • Remote Vehicle Starter System
    • Steering wheel mounted audio controls
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open & Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power Sunroof
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Hill Descent Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Unauthorized Entry Theft-Deterrent System
    • Speed control
    • 2-Speed Active Transfer Case
    • 220-Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp Battery
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Front License Plate Kit
    • Gloss Black Header Grille & Grille Insert Bars
    • Heated door mirrors
    • IntelliBeam Automatic High Beam On/Off
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Off-Road High Clearance Step (LPO)
    • Power door mirrors
    • Rear step bumper
    • Rear Wheelhouse Liners
    • Spray-On Pickup Bedliner w/GMC Logo
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Bed View Camera w/2 Trailer Camera Provisions
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Floor-Mounted Center Console
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front Prem Floor Liners w/Removable Carpet Insert
    • Front reading lights
    • HD Surround Vision
    • Heated steering wheel
    • Illuminated entry
    • Inside Rearview Auto-Dimming Rear Camera Mirror
    • Multicolor 15" Diagonal Head-Up Display
    • OnStar Services Capable
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear Cross Traffic Alert
    • Rear Prem Floor Liners w/Removable Carpet Insert
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trailer Cam Provisions & Trailer Viewing Software
    • Trailer Side Blind Zone Alert
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • Wireless Charging
    • Wireless Phone Projection
    • 10-Way Power Driver Seat Adjuster w/Lumbar
    • 10-Way Power Passenger Seat Adjuster w/Lumbar
    • Front Bucket Seats
    • Front Center Armrest
    • Heated 2nd Row Outboard Seats
    • Heated Driver & Front Outboard Passenger Seats
    • Heated front seats
    • Heated rear seats
    • Perforated Leather-Appointed Front Seat Trim
    • Power passenger seat
    • Safety Alert Seat
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering System App
    • Alloy wheels
    • Wheels: 20" High Gloss Black 8 Spokes Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Front Passenger Windows w/Express Up/Down
    • Power Sliding Rear Window w/Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Axle Ratio
    • 3.73 Rear Axle Ratio
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    May not represent actual vehicle. (Options, colors, trim and body style may vary)