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

Enhanced Interior Comfort

Smart Storage Options
Performance
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 |
Technology
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.
Safety
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
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.