New 2026 GMC Sierra 3500HD

AT4

36378

1GT4UVEY9TF155357

In Stock

$117,823 +Tax & Lic

Book a Test Drive Confirm Availability

New 2026 GMC Sierra 3500HD

AT4

36378

1GT4UVEY9TF155357

In Stock

$117,823 +Tax & Lic

Book a Test Drive Confirm Availability

Vehicle price details

MSRP (Includes Freight & Air Tax)

$118,394

Black Friday Discount

-$1,000

Admin Fee

+$269

PPSA

+$125

Other +

+$35

CASH PRICE^*	$117,823
+Tax & Lic

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Vehicle Information

8 Cylinder Engine

Other

Summit White

Jet Black/Kalahari

4x4

Vehicle Description

Conquer Any Terrain with the 2026 GMC Sierra 3500HD AT4: Power, Precision, and Unmatched Comfort Await in This Summit White Diesel Masterpiece

Experience the robust power of the 2026 GMC Sierra 3500HD AT4, designed for those who demand more from their truck. With its commanding 8-cylinder diesel engine and advanced 10-speed automatic transmission, this 4x4 beast is ready to tackle any challenge, be it rugged terrains or heavy towing duties. The Sierra 3500HD AT4 is not just about raw power; it’s about precision and safety. Equipped with cutting-edge safety features like blind spot monitoring, cross-traffic alert, and lane departure warning, it ensures peace of mind on every journey.

The Summit White exterior, complemented by aluminum wheels and running boards, exudes a bold presence, while the integrated tailgate step offers convenience like never before. Inside, the luxurious leather seats, complete with heating and cooling options, promise unparalleled comfort. The driver-centric cabin features an aerial view display system and a premium sound system, making each drive a pleasure. Whether you're navigating city streets or venturing off-road, the Sierra 3500HD AT4 is your ultimate companion, blending rugged capability with refined sophistication.

Dealer Rebates are not combinable with GM Purchase Programs. Freight & PDI, installed options and other fees included. See Dealer for details.

‌

Standard Features

Installed Options

ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE
AT4 PREMIUM PLUS PACKAGE
LPO, OFF-ROAD HIGH CLEARANCE STEP
TECHNOLOGY PACKAGE
SUNROOF, POWER
GOOSENECK / 5TH WHEEL PREP PACKAGE
AT4 PREFERRED PACKAGE
LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS
HIGH IDLE SWITCH
ENGINE BLOCK HEATER
ALTERNATOR, 220 AMPS
LAMPS, SMOKED AMBER ROOF MARKER, (LED)
HEAVY DUTY FRONT SPRING/CAMPER PACKAGE
LICENSE PLATE KIT, FRONT
MULTICOLOUR 15" DIAGONAL HEAD-UP DISPLAY
UNIVERSAL HOME REMOTE
REAR CAMERA MIRROR
AT4 PREFERRED EQUIPMENT GROUP
TRANSMISSION, 10-SPEED AUTOMATIC
GVWR, 12,100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
REAR AXLE, 3.42 RATIO
WHEELS, 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS, 8 SPOKES
TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL
SUMMIT WHITE
SEATS, FRONT BUCKET WITH CENTRE CONSOLE
JET BLACK WITH KALAHARI ACCENTS, PERFORATED FRONT LEATHER SEATING SURFACES
AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM
EXHAUST BRAKE
WINTER GRILLE COVER
WINDOW, POWER, REAR SLIDING

DISCLAIMER

While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify all information and pricing with a sales representative or ask online. The dealership reserves the right to make changes at any time, without notice, to the prices, rates, models, materials, equipment, specifications, and availability, or to discontinue models or equipment. Vehicle trade-ins are subject to dealer's approval. Trade-in tax credits require proof of ownership. Luxury tax included (where applicable).

Costco Member Discounts are not combinable with GM Purchase Programs.

Factory order times cannot be guaranteed by the dealership. Please contact us for details.

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New 2026 GMC Sierra 3500HD

AT4

New 2026 GMC Sierra 3500HD

AT4

Vehicle price details

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