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New 2025 GMC Sierra 2500HD AT4X

New 2025 GMC Sierra 2500HD AT4X

4WD Crew Cab Standard Box
On-Order
Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    Doors
    4
    Stock #
    FHHZG2
    Condition
    New
    Trim Details
    4WD Crew Cab Standard Box AT4X

Step onto the rugged path with the new black 2025 GMC Sierra 2500HD AT4X, equipped with a commanding 6.6L 8-cylinder engine and a robust 4×4 drivetrain, ensuring exceptional performance and handling on any terrain.

The Sierra 2500HD AT4X features an imposing exterior with its striking black finish, complementing its muscular build and Crew Cab configuration, offering both style and functionality. Inside, you'll find a sophisticated interior, adorned with premium leather seats and a leather-wrapped, heated steering wheel, providing a luxurious touch to your adventures in every season. Enjoy the comfort of heated and cooled front seats as well as heated rear seats, ensuring that every passenger rides in absolute comfort.

Technological advancements are at the forefront with adaptive cruise control enhancing your driving experience, offering peace of mind and convenience during long journeys. Thoughtfully integrated heated mirrors ensure clear visibility in every condition.

This vehicle is perfect for those who seek durability paired with luxury, ideal for adventurous families or professionals who demand reliability without compromising on comfort and style. Experience the power and luxury of the 2025 GMC Sierra 2500HD AT4X; contact our dealership today to learn more and to schedule your test drive.

To apply right now for financing use this link : https://www.keychev.com/get-approved/

Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Navigation System
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • Premium Sound System
  • WiFi Hotspot
Exterior
  • Aluminum Wheels
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Conventional Spare Tire
  • Wheel, Spare 18" (50.8 cm)
  • Generic Sun/Moonroof
  • Sun/Moonroof
  • Bumper, front, body-colour lower (Bumper color will be High Gloss Black.)
  • Bumper, rear body-colour with bumper CornerSteps (Bumper color will be High Gloss Black.)
  • Power Retractable Running Boards
  • Running Boards/Side Steps
  • Bed Liner
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
  • Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
  • Wheelhouse liners, rear
  • Mouldings, beltline, Black
  • Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
  • Daytime Running Lights
  • Automatic Highbeams
  • Fog Lamps
  • Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Lamps, Smoked Amber roof marker, (LED)
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Mirror caps, high gloss Black
  • Privacy Glass
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Door handles, body-colour (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
  • Integrated Tailgate Step
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Interior
  • Bucket Seats
  • Leather Seats
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Seat-Massage
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Heated Rear Seat(s)
  • Mirror Memory
  • Seat Memory
  • Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Leather Steering Wheel
  • Heated Steering Wheel
  • Steering Wheel Audio Controls
  • Adjustable Steering Wheel
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
  • Heads-Up Display
  • Rear Seat Reminder
  • GMC Premium information Display- 13.4" diagonal Multicolour touch screen
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Power Windows
  • Rear Defrost
  • Sliding Rear Window
  • Power Door Locks
  • Keyless Entry
  • Keyless Start
  • Remote Engine Start
  • Adaptive Cruise Control
  • Cruise Control
  • Universal Garage Door Opener
  • Wireless Charging
  • Security System
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Auxiliary Audio Input
  • MP3 Player
  • USB ports, (2) charge-only, rear
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air vents, rear
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Auto-Dimming Rearview Mirror
  • Back-Up Camera
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Mechanical
  • 8 Cylinder Engine
  • Gasoline Fuel
  • 10-Speed A/T
  • A/T
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Running Boards/Side Steps
  • Keyless Start
  • Hill Descent Control
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Trailer brake controller, integrated
  • In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
  • Tow Hooks
  • Skid Plates, front aluminum
  • Skid Plates, Transfer case, steel
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Package
  • Automatic Highbeams
  • Front Collision Mitigation
  • Front Collision Warning
  • Lane Departure Warning
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Safety
  • Front Collision Mitigation
  • Front Collision Warning
  • Stability Control
  • Traction Control
  • Daytime Running Lights
  • Driver Air Bag
  • Front Head Air Bag
  • Front Side Air Bag
  • Passenger Air Bag
  • Passenger Air Bag Sensor
  • Rear Head Air Bag
  • Requires Subscription
  • Telematics
  • Rear Parking Aid
  • Aerial View Display System
  • Back-Up Camera
  • Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
  • Trailer Camera Provisions and trailer viewing software
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Lane Departure Warning
  • Rear Seat Belt Indicator
  • Cross-Traffic Alert
  • Blind Spot Monitor
  • Seat Belt Adjustable Guide Loops, front row only
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Safety Alert Seat
  • Driver Restriction Features
  • Tire Pressure Monitor
  • Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 2500HD
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MKM
  • Trans Type
    10
  • Trans Description Cont.
    Automatic
  • Clutch Size (in)
    N/A
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    43.03
  • Front Leg Room (in)
    44.53
  • Front Shoulder Room (in)
    66.02
  • Front Hip Room (in)
    61.18
  • Second Head Room (in)
    40.12
  • Second Leg Room (in)
    43.4
  • Second Shoulder Room (in)
    65.3
  • Second Hip Room (in)
    60.24
Weight information
  • Curb Weight - Front (lbs)
    4023
  • Curb Weight - Rear (lbs)
    2822
  • Gross Vehicle Weight Rating Cap (lbs)
    10850
  • Gross Combined Wt Rating (lbs)
    26000
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    16000
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    1600
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    18000
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    4500
  • Maximum Trailering Capacity (lbs)
    20000
Engine
  • Engine Order Code
    L8T
  • Engine Type
    Gas V8
  • Displacement
    6.6L
  • Fuel System
    Direct Injection
  • SAE Net Horsepower @ RPM
    401 @ 5200
  • SAE Net Torque @ RPM
    464 @ 4000
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    170
  • Maximum Alternator Watts
    N/A
Suspension
  • Suspension Type - Front
    Short/Long Arm
  • Suspension Type - Rear
    Multi-Leaf Springs
  • Axle Ratio (:1) - Front
    3.73
  • Axle Ratio (:1) - Rear
    3.73
  • Shock Absorber Diameter - Front (mm)
    2.17
  • Shock Absorber Diameter - Rear (mm)
    2.17
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QMG
  • Rear Tire Order Code
    QMG
  • Spare Tire Order Code
    QNZ
  • Front Tire Size
    LT305/70R18-126/123R
  • Rear Tire Size
    LT305/70R18-126/123R
  • Spare Tire Size
    LT305/70R18-126/123R
  • Revolutions/Mile @ 45 mph - Front (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Rear (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Spare (Rev/Mile)
    N/A
Wheels
  • Front Wheel Size (in)
    18
  • Rear Wheel Size (in)
    18
  • Spare Wheel Size (in)
    18
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Pwr Recirculating Ball
  • Turning Diameter - Curb to Curb (ft)
    51.8
  • Turning Diameter - Wall to Wall (ft)
    N/A
Brakes
  • Brake Type
    Pwr
  • Brake ABS System
    4-Wheel
  • Disc - Front
    Yes
  • Disc - Rear
    Yes
  • Front Brake Rotor Diam x Thickness (in)
    14 x 1.6
  • Rear Brake Rotor Diam x Thickness (in)
    14.1 x 1.3
Fuel tank
  • Fuel Tank Capacity, Approx (L)
    136
Exterior dimensions
  • Wheelbase (in)
    159
  • Length, Overall (in)
    250.75
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    82.68
  • Cab to Axle (in)
    42.36
  • Ground Clearance, Front (in)
    11.61
  • Ground Clearance, Rear (in)
    11.61
Cargo area dimensions
  • Cargo Box Length @ Floor (in)
    82.2
  • Cargo Box Width @ Floor (in)
    71.4
  • Cargo Box Width @ Wheelhousings (in)
    51.85
  • Cargo Box (Area) Height (in)
    21
  • Cargo Volume (ft³)
    69.5
No matches were found.
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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2025 GMC Sierra 2500HD AT4X may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.