2023 GMC Sierra 2500 and 3500 HD in Aurora, ON

GMC introduces the all-new 2023 models of the popular 2500 and 3500 HD pickup trucks with a wide pool of technologically-advanced amenities, capabilities and safety features. The gigantic 16,329 kg (36,000 lbs) towing capabilities make these Sierra heavy-duty trucks popular among pickup truck drivers across Canada. Each element of the 2500 and 3500 HD is impeccably engineered to deliver dynamic on-and-off-road performance. In fact, the 2023 Sierra HD features the world’s first-ever six-function MultiPro tailgate to make accessing the cargo area more convenient and manageable. Continue reading as the skilled product specialists at Highland GM unfold more next-generation features of the 2023 GMC Sierra 2500 and 3500 HD.

Exterior Design

Bold Exterior Design

Engineered to deliver exceptional on-and-off road performance, the Sierra 2500 and 3500 HD trucks embrace a bold, athletic and distinctive design, which is complemented by auto-dimming upper glass, LED turn-signal indicators, trailering mirrors, large footwells and anti-slip texture.

Available MultiPro Tailgate

Standard on Sierra HD SLE, SLT, AT4 and Denali trims, the world’s first-ever six-function Multipro Tailgate makes loading and unloading and accessing the cargo area more convenient for pickup truck drivers. This tailgate includes:

  • Primary Gate
  • Primary Gate Load Stop
  • Easy Access
  • Full-Width Step
  • Inner Gate Load Stop
  • Inner Gate with Work Surface


Denali Black Diamond Edition

Available with 2500 and 3500 HD single rear wheels, this appearance and performance enhancement edition comes with different features and top-notch amenities that you can add to the 2023 Sierra HD Denali trim. Some of the features you get with the Denali Black Diamond edition include:

  • Power-retractable assist steps with LED perimeter lighting
  • Ebony Twilight Metallic exterior paint colour
  • Power sunroof
  • Auxiliary trailer camera
  • Unique 20-inch high-gloss black painted aluminum wheels



Interior Design


Available Interior Options

To complement the head-turning exteriors, the Sierra heavy-duty trucks are available in multiple interior options, adding the perfect tinge of luxury and elegance to the cabin space. Please note the availability of the following interior options may vary depending on the trim level: ● Dark Walnut/Slate Perforated Front Leather-Appointed seating ● Dark Walnut/Dark Ash Grey Forge Perforated Leather seating surfaces ● Jet Black Perforated Leather seating surfaces ● Jet Black Perforated Front Leather-Appointing seating ● Jet Black Perforated Front Leather seating surfaces with Kalahari accents

Enhanced Interior Comfort

The new 2023 Sierra HD trucks are available with a heated steering wheel, heated and ventilated leather-appointed front seats and a modern HVAC system with dual-zone climate control and rear-seat outlets, which promise all-weather comfort to both driver and passengers.

Smart Storage Options

All the Sierra HD crew cab models come with standard generous storage space to accommodate all your belongings for your next haul. They are available with a rear-folding split bench with under-seat storage, rear seatback space and a large centre console with LED lights to keep smaller items.


Capable Engine Options

To ensure a confident trailering and driving experience, the Sierra HD trucks are available in two powerful engine options: a 6.6-litre V8 gas engine and a 6.6-litre Duramax turbo-diesel V8 engine. Pair any of the engines with the best-in-class Allison ten-speed or six-speed automatic transmission for highly-efficient on-and-off-road performance.

X31 Off-Road Package

With the available X31 off-road package, you can elevate the adventure quotient of the 2023 GC Sierra Heavy-duty trucks. This package comes with the following state-of-the-art performance features that ensure a rugged and dynamic off-road experience:

  • Underbody skid plates
  • Twin-tube Rancho shocks
  • Off-road suspension
  • Eaton automatic locking rear differential
Specifications 6.6L V8 Gas engine 6.6L Duramax Turbo-Diesel V8 engine
Horsepower 401 445
Torque 464 910
Transmission 6-speed automatic transmission Allison 10-speed automatic transmission


MultiPro Audio System

Making your long hauls more fun and entertaining, the Sierra 2500 and 3500 HD trucks are available with MultiPro audio system by Kicker. The premium audio system creates a  high-definition and surround sound ambience to ensure an immersive driving experience.

Available Camera Views

Pulling a trailer becomes easier with the Sierra 2500 and 3500 HD trucks as they feature up to 15 camera views with the help of multiple cameras, including rear camera mirrors, a bed view camera and HD surround vision. You get the mirroring image of your surroundings on the built-in touchscreen display, which can help you park and reverse the pickup truck easily.

Heads-Up Display

The 2023 GMC Sierra HD trucks feature a first-in-class 15-inch diagonal heads-up display that allows the driver to keep an eye on the truck’s performance and other key information, such as speed, cruise control, tire pressure, check engine light, tachometer, lane departure warning and fuel economy.


Advanced Safety Technologies

To enhance your awareness on the road, the 2023 Sierra heavy-duty trucks host a wide range of safety technologies and driver assistance features. These features boost safe driving habits and practices to prevent potential accidents or collisions. The wide range of intelligent safety technologies includes:

  • Lane Departure Warning
  • Front and Rear Park Assist
  • Safety Alert Seat
  • Teen Driver Assistance
  • Intellibeam – Auto High Beams
  • Lane Change Alert with Side Blind Zone Alert
  • Forward Collision Alert
  • Automatic Emergency Braking
  • Following Distance Indicator
  • Rear Cross Traffic Alert

2022 GMC Sierra HD Trim Levels

Pro, SLE and SLT

Pro, SLE and SLT

Starting at $53,703*

– Available ProGrade Trailering System with in-vehicle Trailering App
– Allison 10-speed automatic transmission
– Available 6.6L Duramax Turbo-Diesel V8 engine

New 2023 GMC Inventory

Sierra HD AT4

Starting at $79,603*

– Off-road suspension with Rancho shocks and skid plates
– AT4-exclusive black chrome exterior accents
– World’s first six-function Multipro tailgate

New 2023 GMC Inventory

Sierra HD Denali

Starting at $87,003*

– Signature Denali grille with chrome accents
– Denali-exclusive authentic open-pore Ash wood, chrome accents
– Up to 15 available camera views

New 2023 GMC Inventory

Explore the comprehensive inventory of new and pre-owned inventory of GMC Sierra 2500 and 3500 heavy-duty trucks and other vehicles from Chevrolet, Buick and GMC at Highland GM. We provide easy and quick financing options to help you bring home the new 2023 GMC Sierra HD without any hassle. You can also book an appointment with our highly experienced product specialist or sales representatives to learn how you can order a custom vehicle on our website.

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