Sussex Chevrolet Buick GMC
50 Leonard Drive, Sussex, NB, E4E 2R4
506 433-1160

2026 GMC Sierra 2500 AT4 
in Sussex 

 Automatic
Ext: Black
Clearance
2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-1
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-1
    GMC Sierra-2500 2026 - Photo #1
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-2
    GMC Sierra-2500 2026 - Photo #2
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-3
    GMC Sierra-2500 2026 - Photo #3
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-4
    GMC Sierra-2500 2026 - Photo #4
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-5
    GMC Sierra-2500 2026 - Photo #5
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-6
    GMC Sierra-2500 2026 - Photo #6
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-7
    GMC Sierra-2500 2026 - Photo #7
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    GMC Sierra-2500 2026 - Photo #8
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    GMC Sierra-2500 2026 - Photo #9
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    GMC Sierra-2500 2026 - Photo #10
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    GMC Sierra-2500 2026 - Photo #11
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    GMC Sierra-2500 2026 - Photo #12
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-13
    GMC Sierra-2500 2026 - Photo #13
  • 2026 GMC Sierra-2500 new, Ext:Black, int:, AT4, 108520. Sussex Chevrolet Buick GMC. 26276-new-14
    GMC Sierra-2500 2026 - Photo #14
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    GMC Sierra-2500 2026 - Photo #15
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    GMC Sierra-2500 2026 - Photo #17
The amount shown reflects an estimate of the amount that you can expect to pay in Canadian dollars. Taxes are excluded (unless selected otherwise). Photos for illustration purposes only, and may not reflect exact vehicle (including vehicle colour, trim, options, or other specifications). Some data and prices are provided by a third-party and we cannot guarantee their accuracy.

2026 GMC Sierra 2500 - Specifications 

City
Highway
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  • Model: Sierra 2500
  • Category: Trucks
  • Exterior Colour: Black
  • Passengers: 5
  • Doors: 4
  • Stock #: 26276-new
  • VIN: 1GT4UPEY7TF312363
  • See options
  • Drive train: Four-wheel drive
  • Transmission: Automatic
  • Fuel: Diesel
  • Engine: 6.6/-TBD- L
  • Cylinders: 8
  • Price: 108,520

Key features of the 2026 GMC Sierra 2500 

6.6L Heavy-Duty Power

Strong 6.6L engine delivers confident towing, hauling, and dependable performance for tough jobs and off-road travel.

AT4 Off-Road Ability

AT4 trim adds rugged off-road capability, ideal for trails, rough terrain, and adventurous heavy-duty driving.

Crew Cab Comfort

Spacious Crew Cab interior gives passengers generous room and comfort for workdays, road trips, and family use.

4WD Traction Control

Four-wheel drive enhances traction and stability in mud, snow, gravel, and demanding jobsite conditions.

The key features listed may depend on the trim, options, or equipment package.

2026 GMC Sierra 2500 - Description 

2026 GMC SIERRA 2500HD AT4
4WD CREW CAB 159" AT4

AT4 PREFERRED EQUIPMENT GROUP
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIE
TRANSMISSION 10-SPEED AUTOMATIC
GVWR 11350 LBS. (5148 KG)
REAR AXLE 3.42 RATIO
WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMIN
TIRES LT275/65R20 ALL-TERRAIN BLACKWALL
ONYX BLACK
SEATS FRONT BUCKET
JET BLACK WITH KALAHARI ACCENTS PERFORATED F
AUDIO SYSTEM 13.4" DIAGONAL PREMIUM GMC INFO
TECHNOLOGY PACKAGE
AT4 PREFERRED PACKAGE
ENGINE BLOCK HEATER
BATTERY HEAVY-DUTY DUAL 730 COLD-CRANKING AM
ALTERNATOR 220 AMPS
GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH P
EXHAUST BRAKE
CAPPED FUEL FILL
SUNROOF POWER
ASSIST STEPS POWER RETRACTABLE BLACK
LPO HARD FOLDING TRUCK BED COVER BY REALTRUC
WINTER GRILLE COVER
LAMPS SMOKED AMBER ROOF MARKER (LED)
3 YEARS SIRIUS XM
MULTICOLOUR 15" DIAGONAL HEAD-UP DISPLAY
WINDOW POWER REAR SLIDING WITH REAR DEFOGGE
UNIVERSAL HOME REMOTE
REAR CAMERA MIRROR

2026 GMC Sierra 2500 - Options 

2026 GMC Sierra 2500 - Technical Specifications 

  • Fuel:
  • Fuel efficiency:  
    • City: Liters / 100 Km
    • Highway: Liters / 100 Km
  • Horse Power: Hp at Rpm
  • Torque: Lbs at Rpm
  • Trunk space: Liters
  • Vehicle weight: Kg
  • Length: mm
  • Width: mm
  • Height: mm

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Indemnification Clause
Photos for illustration purposes only, and may not reflect exact vehicle (including vehicle colour, trim, options, or other specifications). Some vehicles may be shown with optional equipment or equipment not available in Canada. Specifications, equipment, options and prices are subject to change without notice. Although we endeavour to ensure that the information contained on this website is accurate, the website provider and the dealership are not responsible for any errors or omissions that may occur from time to time. Some data and prices are provided by a third-party and we cannot guarantee their accuracy. Please contact your dealer for verification or if you would like more information on this vehicle.
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