New 2026 GMC Sierra 2500 HD SLT

Pro

SLE

SLT

AT4

Denali

AT4X

Denali Ultimate

Glacier White Tricoat

Onyx Black

Sterling Metallic

Summit White

Titanium Rush Metallic

Volcanic Red Tintcoat

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AVAILABLE VEHICLES

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DURAMAX 6.6L TURBO-DIESEL V8 ENGINE

The Sierra Heavy Duty truck’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and 10-speed automatic transmission.

ADVANCED TRAILERING TECH

The 2026 Sierra Heavy Duty truck offers available advanced trailering-assistance technologies so you can trailer with added confidence.

LUXURIOUS MATERIALS

Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of its namesake’s mountain summit.

SPACIOUS CABIN

The Sierra Heavy Duty truck features spacious front head and leg room.

12.3" DIAGONAL COLOUR DRIVER INFORMATION CENTRE

GMC Sierra HD features a driver-focused display that puts information front, centre and easily visible in high-resolution clarity.

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Included Features

Android Auto

Apple CarPlay

Backup Camera

Bluetooth

Forward Collision Warning

Keyless Entry

Lane Departure Warning

Push Start

WiFi Hotspot

New 2026 GMC Sierra 2500 HD SLT

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