New 2025 GMC Sierra 2500 HD AT4

VIN 1GT4UPE77SF178850 Stock Number TG450

MSRP $78,865
Howard Bentley Price $75,865
You Save $3,000
        
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        Current Offers
    
    Specifications

Current Offers

    MSRP

    $78,865

HOWARD BENTLEY DISCOUNT1
            Dealer discount available to everyone. No exclusions. Must take retail delivery by 11/30/2024
        
- $3,000
    Take Retail Delivery By
    12-02-2024
    
        Howard Bentley Price
        $75,865
        
        You Save
        $3,000
        
    Other Offers You May Qualify For
    Disaster Relief Assistance2
            24-33AD-4: Disaster Relief Assistance
        
- $1,000
    Take Retail Delivery By
    
    12-02-2024
    - Not Compatible with Some Other Offers
GM First Responder Offer3
            24-17-12: GM First Responder Offer
        
- $500
    Take Retail Delivery By
    
    01-02-2025
    - Not Compatible with Some Other Offers
GM Military Offer4
            24-16-14: GM Military Offer
        
- $500
    Take Retail Delivery By
    
    01-02-2025
    - Not Compatible with Some Other Offers
Disaster Relief Assistance5
            24-33BA-3: Disaster Relief Assistance
        
- $500
    Take Retail Delivery By
    
    12-02-2024
    - Not Compatible with Some Other Offers

        Available Specials
         
QUALIFY FOR ADDITIONAL DISCOUNT? ASK US!6
            Don't forget to ask us to check your qualifications for additional discount! If you are current military, first responder, or work for a supplier company, then you may qualify for additional discounts. Just simply let us know where you work!
        
DISCOUNT

            FREE DELIVERY TO YOU!
            7
    
FREE
3.9% APR for 48 Months for Well-Qualified Buyers When Financed w/ GM Financial8
            24-40G-16: For Well-Qualified Buyers When Financed w/ GM Financial
        
    Take Retail Delivery By
    12-02-2024
    
Click here for more offer information
        1Dealer discount available to everyone. No exclusions. Must take retail delivery by 11/30/2024
2Must present insurance claim form indicating vehicle was damaged as a result of Florida Hurricane Helene. Not available with some other offers. Residential restrictions apply. Must take new retail delivery by 12/02/2024.
3Must be a current Firefighter, Police, EMT/Paramedic, or 911 Dispatcher. First Responders employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by applicable federal, state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by the applicable federal, state or municipal employees. By accepting this offer, you verify that doing so complies with all laws, regulations, policies or other restrictions regarding ethics or gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmfirstresponderappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/02/2025.
4Eligible military personnel includes Active Duty members, Reservists, National Guard members, Veterans and Retirees of the U.S. Army, Navy, Air Force, Marine Corps and Coast Guard. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmmilitaryappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/02/2025.
5Must present insurance claim form indicating vehicle was damaged as a result of Tropical Storm Helene. Not available with some other offers. Residential restrictions apply. Must take new retail delivery by 12/02/2024.
6Don't forget to ask us to check your qualifications for additional discount! If you are current military, first responder, or work for a supplier company, then you may qualify for additional discounts. Just simply let us know where you work!
7We are offering free delivery up to 450 miles round-trip.
83.9% APR for 48 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $22.53 for every $1000 you finance. Average example down payment is 10.0%. Not available with leases and some other offers. Must take new retail delivery by 12/02/2024.
    
Specifications
Stock Number
TG450
Interior
Jet Black With Kalahari Accents Perforated Front Leather Seat Trim
Exterior
Thunderstorm Gray
VIN

1GT4UPE77SF178850
Engine

    6.6L V8 Gas engine
Fuel Type
Gas
Trim
AT4

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Thunderstorm Gray 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic 6.6L V8 BLUETOOTH / MP3, SERVICE RECORDS AVAILABLE, AUDIO PACKAGE, POWER PACKAGE, 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.

Recent Arrival!.

this new 2025 GMC Sierra 2500 HD AT4 features:

    Fuel Economy
    
        *
    
    N/A city /
        N/A hwy
    
Mileage
    4
    MILES
Transmission10-Speed A/T
Exterior ColorThunderstorm Gray
Interior ColorJet Black With Kalahari Accents Perforated Front Leather Seat Trim
Engine Data6.6L V8 Gas engine
Heated Front Seat(s)
Adaptive Cruise Control
Bluetooth Connection
Premium Sound System
Navigation System
WiFi Hotspot
Smart Device Integration
Satellite Radio
Steering Wheel Audio Controls
Multi-Zone A/C
Back-Up Camera
Rear Parking Aid
Stability Control
Blind Spot Monitor
Lane Departure Warning
Cross-Traffic Alert
Cooled Front Seat(s)
Leather Seats
Power Driver Seat
Seat Memory
Sun/Moonroof
Tow Hitch
MP3 Player
Auxiliary Audio Input
Cruise Control
Adjustable Steering Wheel

SPECS FOR THIS New 2025 Gray GMC Sierra 2500 HD AT4

Exterior
Interior
Entertainment
Mechanical
Safety
Package
Warranty
Options

Exterior

    Tailgate with EZ Lift assist, power lock & release, Hitch area lighting May require additional optional equipment
  
    Deep-tinted glass, Provides added protection from sun and glare
  
    Body-color door handles
  
    20" high gloss Black aluminum wheels
  
    Rear wheelhouse liners, Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weather May require additional optional equipment
  
    Spray-on bedliner, Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal Does not include spray-on liner on tailgate due to Black composite inner panel Includes GMC logo on all trims except PRO
  
    IntelliBeam, At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
  
    Black beltline moldings
  
    Side Bed Step, Black textured step pads help provide secure footing Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
  
    Spare tire carrier lock, Helps keep spare tire secure
  
    Cab-mounted cargo area lamps, Activated by switch located on center switch bank Illuminates the cargo bed area
  
    Cargo bed LED lighting, Provides light to find cargo in the bed May require additional optional equipment
  
    18" LT275/70R18 all-terrain, blackwall spare tire, May require additional optional equipment
  
    LED fog lamps
  
    Body-color front bumper
  
    Cargo tie-downs, 12-fixed rated at 500 lbs. per corner
  
    Animated LED Signature Tail lamps with Stop, turn and Reverse lamps, LED taillamps with LED stop lights and animation
  
    Body-color rear bumper, With integrated CornerSteps
  
    Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  
    Rainsense automatic wipers, When turned on, will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshield
  
    CornerStep rear bumper, Helps make it easier to get into and out of the pickup bed Located at each end of the rear bumper Textured step pads to help provide secure footing
  
    High gloss Black mirror caps
  
    GMC MultiPro Tailgate, Six function tailgate designed to help improve loading, unloading and accessing the cargo box Hitch area lighting Power lock and release May require additional optional equipment
  
    Tailgate and bed rail protection caps
  
    Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass, Chrome mirror caps AT4 and AT4X features high gloss Black mirror caps Power folding/extending Lower convex mirrors Heated upper glass Integrated turn signal indicators Puddle lamps Perimeter lighting Auxiliary lighting Extends 3.31-inches
  
    Black power-retractable assist steps with LED perimeter lighting, Textured step pads help provide secure footing Retracts when not in use Deploy Running Board mode for car wash cleaning LED perimeter lighting May require additional optional equipment
  
    20" LT275/65R20 BF Goodrich off-road T/A K blackwall tires
  
    Power sunroof, Opens over the first row at the push of a button Retracts into the roof Offers tilt and slide features with express-open and -close May require additional optional equipment
  
    Smoked Amber LED roof marker lamps, Roof-mounted lamps near the front of the cab
  
Interior

    120-volt power outlet, 3-prong auxiliary household-style outlet Located on the instrument panel Makes it convenient for powering laptops, phone chargers and other electronic devices May require additional optional equipment
  
    Keyless Open and Start, With the key fob in your possession, lock and unlock your car's doors by pressing the button on a front exterior door handle, increasing convenience Lockout protection helps you avoid locking keys in the vehicle
  
    Ventilated driver and front passenger seats, Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation Individually controlled Cooling feature includes both seatbacks and cushions May require additional optional equipment
  
    Rear window defogger, Utilizes a warming grid to help remove fog or frost from the rear window
  
    Premium front floor liners with removable carpet insert
  
    Premium rear floor liners with removable carpet insert
  
    Carpeted floor covering, Color-keyed to match the interior
  
    Remote Start, Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences Locks doors and turns on parking lamps while the engine is running Activates the climate control system
  
    USB ports, (2) Data/charge ports located inside center console¹
  
    Wireless Charging, Uses induction technology for select portable electronic devices¹ Convenient charging location Customers can charge their smartphones while they drive without connecting to any cables May require additional optional equipment
  
    Manual tilt and telescoping steering column, Allows the driver to adjust the steering wheel up or down, and the steering column forward or back May require additional optional equipment
  
    Front center console, Includes reconfigurable feature with cupholders, cell phone storage, power cord management and file holder capacity May require additional optional equipment
  
    Power windows with driver and front passenger express-up/down, Quickly raises the window or lowers it with the touch of a button If obstruction is detected, the anti-pinch feature will auto-reverse
  
    Steering-wheel mounted controls, Allow the driver to easily operate the audio system and phone interface controls May require additional optional equipment
  
    Rear Seat Reminder, Helps to remind the driver to check the back seat(s) before leaving the vehicle¹ Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
  
    USB ports, (2) First row, located on console¹
  
    USB ports, (2) Charge ports located on rear of console¹
  
    Assist handles, Front A-pillar mounted for Driver and Passenger Rear B-pillar mounted
  
    Front bucket seats, May require additional optional equipment
  
    Power windows with driver express-up/down, Quickly raises the window or lowers it with the touch of a button If an obstruction is detected, the anti-pinch feature will auto-reverse
  
    Adaptive Cruise Control, Automatically follows a detected vehicle ahead at a driver-selected following gap¹ If no vehicle is detected in your path, works like regular cruise control You can always override the feature and take control Adaptive Cruise Control is compatible with Trailering. It is important to ensure your trailer has functioning brakes while trailering with heavier loads. Read your Owner's Manual to review Trailer Brake requirements and to learn more about the limitations of this system.
  
    Compass, Located in instrument cluster
  
    10-way power driver seat with power lumbar, Includes 8-way power driver seat Includes a 2-way power lumbar control
  
    Power door locks, Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
  
    10-way power front passenger seat, Includes 8-way power front passenger seat Includes a 2-way power lumbar control
  
    Up-level rear seat with storage package, 60/40 Full-length folding bench seat Seatback storage on left and right side Center fold out armrest with 2 cupholders Underseat storage (full cab width)
  
    Heated steering wheel, With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day May require additional optional equipment
  
    Theft-deterrent unauthorized entry system, Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter Helps deter unauthorized entry, helping to protect your vehicle May require additional optional equipment
  
    Dual-zone automatic climate control, Automatically maintains the selected temperatures for both the driver and front passenger Allows individual climate settings for both driver and front passenger Driver and front passenger can choose a temperature up to 30 degrees difference May require additional optional equipment
  
    12.3" diagonal color Driver Information Center, Includes driver personalization, warning messages and vehicle information Replaces traditional analog gauges with fully reconfigurable high definition cluster layout High definition display provides crisp, premium appearance
  
    Power windows with rear express-down
  
    Driver memory, Press memory button 1 or 2 to program and recall preferences May require additional optional equipment
  
    120-volt box-mounted power outlet, 3-prong auxiliary household-style outlet Located in the pickup bed May require additional optional equipment
  
    Outside temperature display, Located in infotainment display
  
    Rear air vents, Provides cabin comfort for rear occupants
  
    Wrapped steering wheel
  
    Heated driver and front outboard passenger seats, Separate buttons on the climate control panel allow you to choose from 3 levels of warmth At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control Individually controlled Seats can be programmed to automatically warm up when it's cold out May require additional optional equipment
  
    Heated rear outboard seats, At the touch of a button you can warm the cushions Provide comfort in cold weather for passengers in the rear outboard seating positions Passengers can manage heat settings with their own controls May require additional optional equipment
  
    13.4" diagonal GMC Premium Infotainment System with Google built-in, 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM¹ radio capable Bluetooth®2 streaming audio for music and select phones Wireless Apple CarPlay™ capability for compatible phones³ Wireless Android Auto™ capability for compatible phones⁴ Customize and manage entertainment and vehicle feature setting Use, control and manage select smartphone apps through the Infotainment system Voice-activated technology for phone
  
    Head-Up Display, Multi-color 15" diagonal Head-Up Display Projects vehicle information onto the windshield low in the driver's line of sight to help you keep your eyes on the road Can select key vehicle information to display including an off-road inclinometer Adjustable vertical position and brightness of the display May require additional optional equipment
  
    Universal Home Remote, 3-channel programmable Conveniently activates compatible devices such as garage door openers, security systems, and home automation devices from inside your vehicle May require additional optional equipment
  
    Rear Camera Mirror, Uses a camera to provide you with the option of using a wide and less obstructed view behind your vehicle while driving instead of a traditional rearview mirror¹ The feature also allows brightness, vertical tilt and zoom adjustments May require additional optional equipment
  
    Power sliding rear window with rear defogger, Utilizes a warming grid to remove fog or frost from the rear window The window switch is conveniently located in the overhead console for easy 1-touch operation May require additional optional equipment
  
Entertainment

    13.4" diagonal GMC Premium Infotainment System with Google built-in, 13.4" diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM¹ radio capable Bluetooth®2 streaming audio for music and select phones Wireless Apple CarPlay™ capability for compatible phones³ Wireless Android Auto™ capability for compatible phones⁴ Customize and manage entertainment and vehicle feature setting Use, control and manage select smartphone apps through the Infotainment system Voice-activated technology for phone
  
    Wi-Fi® hotspot capable, Terms and limitations apply. See onstar.com or dealer for details. May require additional optional equipment
  
    Bose Premium Sound System, 7-speakers with Richbass® woofer Bose is renowned for expert sound engineering and high-quality audio and with premium speakers positioned throughout the cabin May require additional optional equipment
  
    Bluetooth®, Pair your compatible mobile phone to your vehicle's infotainment system¹ Place and receive hands-free phone calls Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
  
    SiriusXM with 360L Trial Subscription, With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes¹ SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
  
    Wireless phone projection, For Apple CarPlay™¹ and Android Auto™²
  
Mechanical

    Red vertical recovery hooks, Two front frame-mounted¹
  
    Hill Descent Control, Uses antilock braking to help provide a smooth, controlled descent Helps driver maintain control of the vehicle without depressing the brake pedal Activates by pushing a button below the instrument panel May require additional optional equipment
  
    Pickup bed, Roll-formed high-strength steel Includes bed assist step
  
    Allison® 10-speed automatic transmission, Electronically controlled with overdrive for smooth-shifting performance Tow/Haul mode that reduces shift cycling for better control and improved cooling when towing or hauling heavy loads Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode) May require additional optional equipment
  
    Heavy-Duty Air Filter, Thick construction helps to trap more dirt before it can enter the air intake
  
    Air filtration monitoring, Alerts the driver when the engine air filter needs replacement
  
    In-Vehicle Trailering App, Checklist¹ Trailer maintenance reminders Trailer security alerts Trailer mileage Tow/haul reminder Trailer electrical diagnostics Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
  
    Skid plates, Help protect the front underbody, oil pan and transfer case May require additional optional equipment
  
    3.73 rear axle ratio, Requires a gas engine
  
    170-amp alternator, May require additional optional equipment
  
    Brake pad wear indicator
  
    External engine oil cooler, Heavy-duty air-to-oil cooler Helps extend engine oil life under heavy loads
  
    Heavy-duty 720 cold-cranking amps battery, 80 Amp-hr Maintenance-free with rundown protection and retained accessory power May require additional optional equipment
  
    10,850 lbs. GVWR, When properly equipped; includes weight of vehicle, passengers, cargo and equipment
  
    Autotrac® 2-speed transfer case with push button controls, 4-button control 2WD, Auto, 4WD, 4WD LO 2WD High for most on-road and highway situations 4WD High for snowy or wet roads when added traction is needed 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels When in AUTO mode, remains in 2WD mode until the system detects wheel slippage Automatically engages 4WD until traction is regained May require additional optional equipment
  
    Fully boxed frame, Hydroformed front section High-strength steel
  
    Push Button Start
  
    4-wheel antilock disc brakes, Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
  
    Integrated trailer brake controller, Integrated with the antilock brake system (ABS) Helps provide measured brake force signaling to electric-controlled trailer brake systems Trailer gain and output are displayed in the Driver Information Center
  
    Digital Variable Steering Assist, This system automatically adjusts steering based on speed, road conditions, and other inputs to help reduce driver fatigue
  
    6.6L V8 Gas engine, 401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm 3.73 rear axle ratio Paired with an Allison® 10-speed automatic transmission Capless fuel fill
  
    External auxiliary transmission oil cooler, Heavy-duty air-to-oil cooler Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer May require additional optional equipment
  
    Capless fuel fill, Prevents paint scratches that can result from a tethered fuel cap Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted Requires gasoline engine
  
    Automatic locking rear differential, When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
  
    Gooseneck / 5th Wheel Prep Package, Hitch platform to accept Gooseneck or 5th wheel hitch Hitch platform with tray to accept ball and stamped box holes with caps installed Box mounted 7-pin trailer harness May require additional optional equipment
  
Safety

    Automatic Emergency Braking, Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology¹ Can automatically provide hard emergency braking or enhance your hard braking Works at speeds between 5 and 50 mph
  
    HD Surround Vision, Provides selectable digital camera views of the area around your vehicle¹ Can help you park or avoid vehicles and objects¹ You can also display a guideline to show where your vehicle is heading¹ Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer, Rear Trailer View, Picture-in-Picture or Inside Trailer View May require additional optional equipment
  
    Front and Rear Park Assist, Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle¹ These can help you park and avoid collisions May require additional optional equipment
  
    Tire Pressure Monitoring System with Tire Fill Alert, Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires¹ Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
  
    Trailering Information Label, Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
  
    StabiliTrak, electronic stability control system with traction control, Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads Includes Brake Assist which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module Includes Trailer Sway Control Hill Start Assist
  
    Forward Collision Alert, Warns you if it detects a potential collision with a detected vehicle you're following so you can take action¹ Can also provide a tailgating alert if you're following a vehicle much too closely
  
    Safety Alert Seat, Uses left-, right- or both-side driver seat vibration pulses to help you detect and identify the direction of potential crashes¹ You can also switch to beeping crash avoidance alerts May require additional optional equipment
  
    Buckle to Drive, Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled The feature also reminds the front passenger to buckle up, if equipped
  
    LED Daytime Running Lamps
  
    OnStar® services capable, See onstar.com for details and limitations. Services vary by model. Service plan required.
  
    Hitch Guidance, When in Reverse, displays a centered guideline on the Rear Vision Camera view¹ Can help you line up the hitch to your trailer When driving, lets you check the trailer using Rear Vision Camera view
  
    Rear Seat Belt Indicator
  
    Front Pedestrian Braking, At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you¹ Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking Limited nighttime and low visibility performance
  
    Hitch View, Shows a close-up view of the trailer hitch¹ In Reverse, the view can be used to line up your hitch to your trailer When driving, the view can be used to check your trailer hitch Shifting to Park automatically engages the Electric Parking Brake (if equipped) May require additional optional equipment
  
    Rear Cross Traffic Alert, When in Reverse, warns you of detected vehicles crossing behind you¹ May require additional optional equipment
  
    Bed View Camera, Camera in the Center High Mount Stop Lamp (CHMSL) provides an elevated view of the truck bed from the back of the cab¹ Allows driver to see inside the cargo bed on the infotainment display to help with 5th wheel or gooseneck hitching and to check cargo Includes 2 Trailer Camera Provisions May require additional optional equipment
  
    Trailering camera provisions, Includes connector for accessory wiring harness
  
    6 airbags, Dual-stage frontal airbags for driver and front outboard passenger¹ Seat-mounted side-impact airbags for driver and front outboard passenger¹ Head-curtain airbags for outboard seating positions¹ Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off¹
  
    Trailer Side Blind Zone Alert, Provides visual side-mirror alerts when a moving vehicle is detected in a side blind zone that is extended to trailer lengths¹ May require additional optional equipment
  
    Following Distance Indicator, Displays the following time in seconds between your vehicle and a detected vehicle in front of you¹ Designed to help you maintain a safe following distance
  
    Lane Departure Warning, Alerts you when it detects that you are unintentionally drifting out of detected lane lines¹ System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
  
    OnStar Basics, Drive confidently with core OnStar services including¹ Remote commands Built-in voice assistance Real-time traffic and navigation Automatic Crash Response
  
    Seat Belt Adjustable Guide Loops, Front row only
  
    Teen Driver, Helps encourage safe driving habits for teens by providing an in-vehicle report card¹ Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used Mutes the radio until the front-seat occupants fasten their seat belts
  
Package

    Sierra HD Pro Safety, Forward Collision Alert¹ Following Distance Indicator¹ Front Pedestrian Braking¹ IntelliBeam Lane Departure Warning¹ Buckle to Drive Automatic Emergency Braking¹
  
    ProGrade Trailering System, Hitch Guidance with Hitch View In-vehicle Trailering App
  
    X31 Off-Road Package, Off-Road suspension Hill Descent Control Skid plates Twin-tube Rancho shocks
  
    Trailering Package, Trailer hitch¹ Trailering hitch platform Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle Hitch Guidance² May require additional optional equipment
  
    AT4 Preferred Package, Universal Home Remote Rear sliding power window LED roof marker lamps
  
    AT4 Premium Plus Package, AT4 Preferred Package Power sunroof Technology Package AT4 high clearance step May require additional optional equipment
  
    Technology Package, Rear Camera Mirror¹ Multi-color 15" Diagonal Head-Up Display¹ AT4 Preferred Package on AT4 May require additional optional equipment
  
Warranty

    Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
  
    Roadside Assistance: 5 Years/60,000 Miles, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
  
    Drivetrain: 5 Years/60,000 Miles, 3.0L & 6.0L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
  
    Warranty: <<< Preliminary 2025 Warranty >>>
  
    Basic: 3 Years/36,000 Miles
  
    Maintenance: First Visit: 12 Months/12,000 Miles
  
Options

    Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
  
    GVWR, 10,850 lbs. (4921 kg)
  
    Tires, LT275/65R20 E 126/123 BF Goodrich off-road T/A KO3
  
    Engine, 6.6L V8
  
    AT4 Premium Plus Package
  
    Rear axle, 3.73 ratio
  
    Emissions, Federal requirements
  
    Transmission, Allison 10-Speed automatic
  
    Thunderstorm Gray
  
WE ARE READY TO ANSWER ANY QUESTIONS YOU MAY HAVE ABOUT THIS Gray 2025 GMC Sierra 2500 HD
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Come to Howard Bentley Buick GMC for a great deal on this 2025 GMC Sierra 2500 HD. This model is equipped with a 6.6L V8 Gas engine engine, 10-Speed A/T transmission, and is finished in a beautiful Gray paint. No matter what you're looking for in a Crew Cab, you can rest assured that our sales professionals will help you find the right model for your needs. Our finance team will help you find the lease deal or financing option that works best for you. You can find us at 4321 US HWY 431 in ALBERTVILLE, AL 35950-0246, just a short trip away from Huntsville, Gadsden, and Birmingham. Give us a call at (256) 849-2493 or stop by to test drive this GMC Sierra 2500 HD today.

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        Tax, title, license and dealer fees (unless itemized above) are extra. All prices, specifications, and availability subject to change without notice. Contact dealer for most current information. Quoted prices include current cash rebates which may not be combinable with subvented apr offers. Any dealer installed options will be extra (where applicable). Due to the volatility of factory and dealer discounts, and changes that occur within the month, our pricing is subject to change without notice. 

        All Vehicles
        MPG estimates on this website are EPA estimates; your actual mileage may vary.  For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new.  The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPAs website for details, including a MPG recalculation tool).

        The features and options listed are for the new 2025 GMC Sierra 2500 HD and may not apply to this specific vehicle.

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New 2025 GMC Sierra 2500 HD AT4

VIN 1GT4UPE77SF178850 Stock Number TG450

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this new 2025 GMC Sierra 2500 HD AT4 features:

SPECS FOR THIS New 2025 Gray GMC Sierra 2500 HD AT4

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New 2025 GMC Sierra 2500 HD AT4 VIN 1GT4UPE77SF178850 Stock Number TG450

Dealership Photos

Current Offers

Other Offers You May Qualify For

Available Specials

Specifications

I Want A Risk-Free Personalized Quote On This GMC Sierra 2500 HD Today

Join Thousands Who Saved Big at Howard Bentley Buick GMC!

this new 2025 GMC Sierra 2500 HD AT4 features:

SPECS FOR THIS New 2025 Gray GMC Sierra 2500 HD AT4

Exterior

Interior

Entertainment

Mechanical

Safety

Package

Warranty

Options

WE ARE READY TO ANSWER ANY QUESTIONS YOU MAY HAVE ABOUT THIS Gray 2025 GMC Sierra 2500 HD

Shopping from Outside Alabama? (FAQs)

Buyers from Coast to Coast Are Saving Big at Howard Bentley

OTHER SHOPPERS ARE ALSO LOOKING AT

Get Out-The-Door Price

New 2025 GMC Sierra 2500 HD AT4

VIN 1GT4UPE77SF178850 Stock Number TG450
