Call For Pricing
Price: $90,531

New 2026 GMC Sierra 2500 AT4 Crew Cab

Stock #G12998
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 1
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 1 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 2 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 3 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 4 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 5 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 6 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 7 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 8 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 9 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 10 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 11 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 12 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 13 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 14 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 15 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 16 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 17 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 18 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 19 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 20 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 21 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 22 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 23 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 24 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 25 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 26 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 27 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 28 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 29 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 30 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 31 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 32 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 33 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 34 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 35 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 36 New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 37
Photos may be stock images.
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Vehicle Notes

Brand New 2026 Model Year! *DESIRABLE FEATURES:* on your new 2026 GMC Sierra 2500HD AT4 for sale include: MOONROOF, REMOTE START, HEATED SEATS, 5th Wh…
Read More… Brand New 2026 Model Year! *DESIRABLE FEATURES:* on your new 2026 GMC Sierra 2500HD AT4 for sale include: MOONROOF, REMOTE START, HEATED SEATS, 5th Wheel Prep Package, A/C Seats, HD Surround Vision, Wireless Phone Charger, Apple Carplay, Trailer Side Blind Zone Alert, Android Auto, Heated Rear-Seats, Lane Depart Warning, Premium Audio, Push-Button Start, Remote entry, Multi-Zone Ac, Bluetooth, Alloy-Wheels, Fog Lamps, and is available at our new & used GMC dealership near Brunswick, GA.Nalley GMC in Brunswick offers you this New 2026 4wd GMC Sierra 2500HD for sale with the following *Factory installed packages including:* At4 Premium Plus Package (MSRP $4,035.00), Duramax 6.6l Turbo-diesel V8 Engine (MSRP $9,990.00), Power-retractable Black Assist Steps (MSRP $2,295.00), 1st And 2nd Rows All-weather Floor Liners (MSRP $295.00), Gooseneck/5th Wheel Prep Package (MSRP $545.00), Hitch Package (MSRP $375.00), and Sterling Metallic (MSRP $495.00) increasing the total value by $18,030.00 to this new 2026 GMC Sierra 2500HD.Available at our GMC dealership, this 2026 GMC Sierra 2500HD for sale features a breathtaking *Gray exterior with an attractive Jet Black With Kalahari Accent interior* and an efficient duramax 6.6l v8 turbodiesel engine and 10-speed automatic transmission.*INTERIOR OPTIONS:* Enjoy every minute of your journey in the cabin of this new 2026 GMC Sierra 2500HD, including features such as: Heated Steering Wheel, Heated Rear Seats, Automatic Climate Control, Second-row Sunroof, Heated Front Seats, Air Conditioned Front Seats, Power Drivers Seat, Compass, Memory Seats, Steering Wheel Audio Controls, Air Conditioning, Telescoping Wheel, Illuminated entry, Rear Reading Lights, Memory Mirrors, Bucket Front Seats, Auto Dimming R/V Mirror, Rear Seat Center Armrest, Center Console Storage, Multi-zone Climate Control, Reading Lights, Tilt Steering Wheel, Trip Odometer, Overhead Console, Center Armrest, Vanity Mirrors, Rear Window Defroster, Usb Ports, Outside Temperature Gauge, Split Folding Rear Seat, AM/FM Stereo.*TECHNOLOGY & SAFETY FEATURES:* on this 2026 GMC Sierra 2500HD, include: Remote Engine Start, Premium Bose System, Android Auto by Google, Apple CarPlay Capable, Garage Door Opener, Wireless Smartphone Charger, Bluetooth Connection, SiriusXM Satellite Radio, Keyless Entry & Electronic Stability Control, Cross Traffic Alerts, Rain Sensing Wipers, Lane Departure Warning, Post Collision Braking-System, Brake Assist, Aftermarket Anti Theft System, Integrated Turn Signal Mirrors, Security System, Speed Sensitive Power Steering, Overhead airbag, Tire Pressure Monitoring System, Auto-Dimming Door Mirrors, ABS Brakes, Dual Air Bags, Delay-off headlights, Auto Highbeams, Low tire pressure warning, Driver Front Side Impact Air Bag, Passenger Air Bag Sensor.*Our New GMC dealership near Brunswick:* Call Nalley GMC today at *912-999-4098 to schedule a test drive* of this 2026 GMC Sierra 2500HD AT4! Our dealership proudly serves Brunswick, Saint Marys, Saint Simons, Savannah, Fernandina Beach and Jacksonville, FL. Visit our dealership at 178 Altama Connector Brunswick GA, 31525 to check it out in person! Find an impressive selection of new and used cars, trucks, and SUVs near you at Nalley GMC, like the popular GMC Encore and Sierra! No matter your budget, we have a great car for you.
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Chassis Details

Stock Number
G12998
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
GVWR
11,350
Drivetrain
4WD
Wheelbase
158.94
Cab Type
Crew
Vehicle Trim
AT4
Vehicle VIN
1GT4UPEY4TF220563
Interior Color
Jet Black with Kalahari accents
Seating Capacity
5
Exterior Color Description
Sterling Metallic
Engine Cylinder Count
8
Engine
Turbocharged Diesel V8 6.6L/
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Brake Type
Hydraulic

Vehicle Options

  • WHEELS 20 (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD)
  • REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
  • ALTERNATOR 220 AMP
  • TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD)
  • TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display
  • GVWR 11 350 LBS. (5148 KG)
  • TRANSMISSION 10-SPEED AUTOMATIC
  • JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
  • ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
  • GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
  • WINTER GRILLE COVER
  • UNIVERSAL HOME REMOTE
  • ENGINE BLOCK HEATER
  • LPO HITCH PACKAGE Gooseneck ball and chain tiedown kit with case (dealer-installed)
  • AUDIO SYSTEM 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD)
  • SUNROOF POWER
  • SEATS FRONT BUCKET with center console (STD)
  • AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
  • LICENSE PLATE KIT FRONT INCANDESCENT LIGHTING
  • LAMPS SMOKED AMBER ROOF MARKER (LED)
  • STERLING METALLIC
  • REAR AXLE 3.42 RATIO
  • AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
  • EXHAUST BRAKE
  • LPO ALL-WEATHER FLOOR LINERS 1ST AND 2ND ROWS (includes AT4 logo)
  • WINDOW POWER REAR SLIDING WITH REAR DEFOGGER
  • AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
  • ASSIST STEPS POWER RETRACTABLE BLACK includes LED lighting
  • MULTICOLOR 15 DIAGONAL HEAD-UP DISPLAY
  • Lane Departure Warning
  • Front Collision Mitigation
  • Front Collision Warning
  • Automatic Highbeams
  • Tow Hitch
  • Running Boards/Side Steps
  • Keyless Start
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Tow Hooks
  • Power Steering
  • ABS
  • 4-Wheel Disc Brakes
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Conventional Spare Tire
  • Bed Liner
  • Daytime Running Lights
  • Automatic Highbeams
  • Fog Lamps
  • Heated Mirrors
  • Power Mirror(s)
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Privacy Glass
  • Intermittent Wipers
  • Variable Speed Intermittent Wipers
  • Rain Sensing Wipers
  • Integrated Tailgate Step
  • AM/FM Stereo
  • Navigation System
  • MP3 Capability
  • Bluetooth Connection
  • Auxiliary Audio Input
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • Requires Subscription
  • Premium Sound System
  • Bluetooth Connection
  • Bluetooth Connection
  • Smart Device Integration
  • WiFi Hotspot
  • Bucket Seats
  • Leather Seats
  • Rear Bench Seat
  • Power Driver Seat
  • Driver Adjustable Lumbar
  • Power Passenger Seat
  • Passenger Adjustable Lumbar
  • Heated Front Seat(s)
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Heated Rear Seat(s)
  • Mirror Memory
  • Seat Memory
  • Floor Mats
  • Floor Mats
  • Heated Steering Wheel
  • Steering Wheel Audio Controls
  • Adjustable Steering Wheel
  • Power Windows
  • Power Windows
  • Power Windows
  • Power Door Locks
  • Keyless Entry
  • Power Door Locks
  • Keyless Start
  • Remote Engine Start
  • Cruise Control
  • Adaptive Cruise Control
  • Security System
  • MP3 Capability
  • Auxiliary Audio Input
  • MP3 Capability
  • Auxiliary Audio Input
  • Climate Control
  • Multi-Zone A/C
  • A/C
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • Front Collision Mitigation
  • Front Collision Mitigation
  • Front Collision Warning
  • Traction Control
  • Stability Control
  • Daytime Running Lights
  • Daytime Running Lights
  • Driver Air Bag
  • Passenger Air Bag
  • Front Side Air Bag
  • Front Head Air Bag
  • Rear Head Air Bag
  • Passenger Air Bag Sensor
  • Telematics
  • Requires Subscription
  • Rear Parking Aid
  • Back-Up Camera
  • Aerial View Display System
  • Back-Up Camera
  • Front Collision Warning
  • Lane Departure Warning
  • Cross-Traffic Alert
  • Blind Spot Monitor
  • Driver Restriction Features
  • Tire Pressure Monitor
  • Navigation System
  • Telematics
  • Requires Subscription
  • View All
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #G12998 - photo 2
Photos may be stock images.

Body Details

Body Type
Pickup
Call For Pricing

Pricing Details

Price $90,531
Additional Upfit Cost

Vehicle available NOW in Brunswick, GA.

Contact Nalley Buick GMC of Brunswick for more info.

(912) 205-5745
Disclaimer:
Prices do not include government fees which include tax, tag, title and WRA (Warranty Rights Act) fees. All prices, specifications and availability subject to change without notice. Contact dealer for most current information.EPA Estimates OnlyTax, title, license (unless itemized above) are extra. Not available with special finance, lease and some other offers. Prices change due to market adjustments and increase in building materials ALONG WITH WATER TAX AND TRANSPORTATION INCREASES.

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