New 2025 GMC Sierra 2500HD AT4

Your Price: $84,185
$1,292*
Monthly!
+tax. 6.99% APR. $8,419 down. 72 month term; OAC.
37
views
Fuel: Diesel
Color: Thunderstorm GrayInterior: Jet Black With Kalahari Accents
Drivetrain: Four Wheel Drive
Engine: 6.6L 8 Cyl.Automatic (10 Speed)
Stock: CG98445VIN: 1GT4UPEY5SF298445

Location

Walt Massey Chevrolet GMC Columbia

1480 Hwy 98 E, Columbia, MS, 39429
Call Today (601) 736-3432

Description for 2025 GMC Sierra 2500HD AT4 Truck

The 2025 GMC Sierra 2500HD AT4 is designed to meet the demands of drivers who require heavy-duty capability with refined off-road engineering and luxury-level features. Outfitted with the proven Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this 4WD truck delivers impressive towing and hauling power, while also providing a smooth and controlled ride in a variety of conditions. Its advanced 2-speed active transfer case and the integrated X31 Off-Road Package contribute to confident traction and enhanced ground clearance, making this truck suitable for work sites, off-road trails, and long-haul towing.

The exterior of the Sierra 2500HD AT4 stands out in Thunderstorm Gray, complemented by a Gloss Black grille header and smoked amber roof marker lamps that emphasize its rugged stance. The Off-Road High Clearance Steps, LED cargo area lighting, and spray-on bedliner with the GMC logo are practical additions for both durability and ease of use. Gooseneck/5th Wheel Prep Package and trailer camera provisions support the trucks strong towing credentials, while integrated technologies like Hitch Guidance, Trailer Side Blind Zone Alert, and Trailer Viewing Software improve visibility and control when maneuvering large loads.

Inside the crew cab, the AT4 delivers a premium environment with Jet Black leather seats accented in Kalahari tones. Comfort is prioritized with heated and ventilated front seats, heated second-row outboard seats, and dual-zone automatic climate control. The Technology Package brings a high level of digital integration, including a 15-inch multicolor head-up display and an HD Surround Vision system that enhances driver awareness. Connectivity and convenience features include wireless phone projection, a wireless charging pad, multiple USB ports throughout the cabin, and an advanced infotainment system supported by a premium 7-speaker Bose audio system.

The AT4 Premium Plus and Preferred Packages add further value with features like a power sunroof, rear cross traffic alert, Ultrasonic Front and Rear Park Assist, and a safety alert seat. A rear camera mirror and rain-sensing wipers increase clarity and visibility in adverse conditions. Power conveniences such as express up/down front windows, a power sliding rear window, and remote vehicle start make daily use more seamless.

The Sierra 2500HD AT4 also includes thoughtful security measures like the Unauthorized Entry Theft-Deterrent System and a Safety Alert Seat. Utility is bolstered by multiple power outlets including 120-volt ports in the bed and instrument panel, while practical touches like floor liners with removable carpet inserts help keep the interior clean and functional.

For added peace of mind, the purchase of this vehicle is backed by the Walt Massey 3 Day Money Back Guarantee. Under this policy, customers may return the vehicle within three business days of purchase before 5 P.M. CST, provided the truck is returned in "like new" condition with fewer than 300 miles driven. If the mileage exceeds 300, a charge of \$1.00 per additional mile will apply. This return guarantee allows you to buy confidently, knowing that satisfaction is prioritized.

With a blend of high-end technology, off-road enhancements, and serious towing capability, the 2025 GMC Sierra 2500HD AT4 offers a comprehensive package for those needing a heavy-duty truck that performs in all terrains without compromising comfort.


Price includes: $500 - GM Military Cash Allowance Program. Exp. 01/02/2026


 

Comfort and Convenience

Air Conditioning
Auto-dimming Door Mirrors
Auto-dimming Rear-View Mirror
Bed View Camera W/2 Trailer Camera Provisions
Driver Vanity Mirror
Front Dual Zone A/C
Inside Rearview Auto-Dimming Rear Camera Mirror
Keyless Open & Start
Manual Tilt-Wheel/Telescoping Steering Column
Occupant Sensing Airbag
Passenger Vanity Mirror
Perforated Leather-Appointed Front Seat Trim
Power Sunroof
Remote Keyless Entry
Remote Vehicle Starter System
Tilt Steering Wheel
Universal Home Remote
 

Entertainment

7 Speakers
AM/FM Radio: SiriusXM With 360L
Bose Premium 7-Speaker Sound System
Radio: AM/FM W/Premium GMC Infotainment System
Steering Wheel Audio Controls
Steering Wheel Mounted Audio Controls
 

Exterior

10-Way Power Driver Seat Adjuster W/Lumbar
10-Way Power Passenger Seat Adjuster W/Lumbar
4-Wheel Disc Brakes
Alloy Wheels
Auto High-beam Headlights
Bumpers: Body-color
Deep-Tinted Glass
Delay-off Headlights
Electric Rear-Window Defogger
Engine Block Heater
Front Anti-roll Bar
Front Fog Lights
Front Rain-Sensing Wipers
Front Reading Lights
Front Wheel Independent Suspension
Fully Automatic Headlights
Gloss Black Header Grille & Grille Insert Bars
Gooseneck/5th Wheel Prep Package
Heated Steering Wheel
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Low Tire Pressure Warning
Power Front Passenger Windows W/Express Up/Down
Power Sliding Rear Window W/Defogger
Power Windows
Rain Sensing Wipers
Rear Reading Lights
Rear Step Bumper
Rear Wheelhouse Liners
Rear Window Defroster
Telescoping Steering Wheel
Variably Intermittent Wipers
Wheels: 20" High Gloss Black 8 Spokes Aluminum
Winter Grille Cover
 

Interior

Front Bucket Seats
Front Center Armrest
Heated 2nd Row Outboard Seats
Heated Driver & Front Outboard Passenger Seats
Heated Front Seats
Heated Rear Seats
Memory Seat
Multicolor 15" Diagonal Head-Up Display
Outside Temperature Display
Power Driver Seat
Power Passenger Seat
Rear Seat Center Armrest
Safety Alert Seat
Split Folding Rear Seat
Trip Computer
Ventilated Driver & Front Passenger Seats
Ventilated Front Seats
 

Mechanical

120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
2-Speed Active Transfer Case
Buckle To Drive
Driver Door Bin
Driver Memory
Heavy-Duty 80 Amp Battery
IntelliBeam Automatic High Beam On/Off
Off-Road Suspension
Power Door Mirrors
Power Steering
 

Safety

ABS Brakes
Brake Assist
Dual Front Impact Airbags
Dual Front Side Impact Airbags
Electronic Stability Control
Exhaust Brake
Overhead Airbag
Traction Control
Ultrasonic Front & Rear Park Assist
 

Other

2 Charge-Only Rear USB Ports
2 Charge/Data USB Ports Inside Center Console
2 USB Ports
220-Amp Alternator
3 Years SiriusXM
3.42 Axle Ratio
3.73 Rear Axle Ratio
AT4 Preferred Package
AT4 Premium Plus Package
Apple CarPlay/Android Auto
Automatic Emergency Braking
Automatic Temperature Control
Compass
Emergency Communication System
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front Pedestrian Braking
Front Prem Floor Liners W/Removable Carpet Insert
HD Surround Vision
Heated Door Mirrors
Hill Descent Control
Hitch Guidance W/Hitch View
Illuminated Entry
In-Vehicle Trailering System App
Lane Departure Warning System
Off-Road High Clearance Step (LPO)
OnStar Services Capable
Overhead Console
Panic Alarm
Passenger Door Bin
Pickup Box
Preferred Equipment Group 4SB
Push Button Start
Rear Cross Traffic Alert
Rear Prem Floor Liners W/Removable Carpet Insert
Security System
SiriusXM W/360L Trial Subscription
Speed Control
Speed-sensing Steering
Spray-On Pickup Bedliner W/GMC Logo
Tachometer
Technology Package
Trailer Cam Provisions & Trailer Viewing Software
Trailer Side Blind Zone Alert
Turn Signal Indicator Mirrors
Unauthorized Entry Theft-Deterrent System
Voltmeter
Wireless Charging
Wireless Phone Projection
X31 Off-Road Package

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* Note: We always do our best to provide the most accurate and up-to-date information, however, we cannot be held responsible for anything that is listed incorrectly. For new vehicles, price listed does not include accessories. Please contact the dealer/seller for official pricing and vehicle information, and with any questions that you might have. Displayed prices generally do not include taxes and other fees.