2023 GMC Sierra HD in Port Perry, ON

The toughest jobs have a long list of demands and the 2023 GMC Sierra Heavy Duty trucks—the Sierra 2500HD and Sierra 3500HD are designed to take on any challenge. These heavy-duty trucks are masterfully engineered to be workhorses with equal parts durability, power and luxury for you not only to get your work done but to do so in style and comfort. Tow, haul, and perform with incredible force. With a staggering amount of customization available choose your cabin size, standard, crew or double cab, and get the right bed size to match with a standard and long bed available. Bred for the worksite, offroading, and so much more, find your 2023 Sierra HD truck with your automotive leader right here in Ontario, Gus Brown Port Perry. Let our experts take you through a tour of these true heavy-duty truck titans, and learn what you can accomplish behind the wheel of the Sierra HD.

Exterior

Rugged, Yet Luxurious Design

Bold, and ready to get the work, it all starts with the exterior of the 2023 GMC Sierra HD trucks, crafted to be functional, durable, and stunning. These heavy-duty trucks aren’t only going to turn heads, they’re fully outfitted to accomplish any feat with ease.

  • Trailering Mirrors: Available trailering mirrors can either power fold or manually extend and retract, all at the touch of a button. Additionally, LED rear guidance lamps, lower convex mirrors and amber auxiliary clearance lamps all assist you when backing up a trailer.
  • Side Bed Step: Standard on every HD model, the side bed step helps to provide easy access when grabbing any of your tools, equipment, or other items from the cargo bed.
  • Dual-Path Air Induction System: Featured in the 6.6L Duramax Turbo-Diesel engine is the innovative Dual Path Air Induction system. This system takes in cool air through the hood scoop and front grille to cool the inside temperature of your engine, helping to increase performance.
  • Advanced Lighting: Premium lighting is available across the Sierra HD, with fog lamps, LED fog lamps, LED cargo bed lighting, and roof marker lamps rounding out a lighting group that will make your life easier, day or night.

 

GMC PRO Multigate

Featuring six unique functions to help assist you with loading and unloading the cargo box, the world’s first-ever six-function MultiPro Tailgate is an innovative detail that is hard to refuse. The MultiPro Tailgate features:

  • Primary Gate: Open with either your key fob’s power release or directly from the button on the gate.
  • Primary Gate Load Stop: Your load stop can help prevent items from sliding out of your bed while you have your gate open.
  • Easy Access: The inner gate can fold down to give you easy access while loading and unloading the cargo bed.
  • Full-Width Step: Remove the conventional hitch to turn the inner gate into a step for easy entry and access to the cargo bed.
  • Inner Gate Load Stop: The inner gate’s load stop helps to prevent second-tier items from sliding out of the cargo bed.
  • Inner Gate With Work Surface: Turn the opened inner gate into a convenient working surface in a pinch.

 

 

2023 Sierra HD Exterior

Dimensions:Sierra 2500 HD Denali Crew Cab Standard BedSierra 3500 HD Denali Crew Cab Standard Bed
Length (mm/in) 6,352 / 250.086,759 / 266.09
Width (without mirrors) (mm/in)2,079 / 81.852,079 / 81.85
Height (mm/in)2,027 / 79.822,049 / 80.67
Wheelbase (mm/in)4,037 / 158.944,369 / 172.00
Cargo Box Length (on floor) (mm/in)2,088 / 82.202,496 / 98.27
Cargo Box Width (on floor) (mm/in) 1,814 / 71.401,814 / 71.40
Ground Clearance (mm/in)257 / 10.12283 / 11.14
Cargo Volume (L) 1,968 2,364
2023 GMC Sierra HD

Best-In-Class HD Cargo Bed Volume

Offering top-tier storage for all your equipment and gear while you’re on the job, Sierra HD offers best-in-class HD Cargo Bed Volume. Bring all your equipment while you’re on the clock and don’t stress about being short on space. Highlighted features of the Sierra HD cargo bed include: ● Roll-formed high-strength steel bed floor ● Best-in-class heavy-duty cargo box volume ● Standard Bed: 1970 L (69.6 cu. ft.) ● Long Bed: 2364 L (83.5 cu. ft.) ● 12 cargo tie-downs 227 KG (500 LB.) rating per corner ● Available LED Lighting ● Available durable spray-on bedliner
2023 GMC Sierra HD

GMC Sierra HD AT4

Engineered to take on the toughest terrain, the Sierra HD AT4 can conquer any off-road challenge with ease, doing so with stunning exterior features on display. Unique features and accents of the 2023 GMC Sierra HD AT4 include: ● AT4-exclusive black chrome exterior accents ● Available AT4 high clearance step ● Available red recovery hooks
2023 GMC Sierra HD

GMC Sierra HD Denali

Representing the top-tier of Sierra HD trucks, the Denali trim level offers numerous luxurious exterior features that help to elevate the Sierra HD to a whole other level. Get a true premium experience on both the road and your worksite with the Sierra HD Denali. Exterior features include: ● Signature Denali grille (featuring chrome inserts) ● Chrome 6-inch assist steps ● Chrome vertical front recovery hooks ● Chrome handles ● Chrome mirror caps ● Dual-Path Air Induction system ● 20-inch Multi-Dimensional polished aluminum wheels ● MultiPro tailgate

Interior

Lavish & Durable Interior

Outfitted to provide the highest level of comfort and utility, the interior of the Sierra HD is gorgeously crafted and includes numerous amenities to help make your ride as convenient as it is comfortable. Stretch out with your passengers while you experience the best-in-class rated Crew Cab front headroom and legroom. Other highlighted interior features include: available leather-wrapped heated steering wheel, heated/ventilated front leather-appointed seats, available HVAC system with dual-zone climate control, and more.

Storage Solutions

Smartly store everything you need for your work, leisure and more thanks to the storage solutions featured in the 2022 GMC Sierra HD. Storage features include:

  • Rear seat storage: Available rear seatback storage is a great option for smaller road trip essentials like smartphones and other electronics.
  • Rear-fold split-bench: Store essential gear conveniently right under your rear seats.
  • Centre console: You won’t fall short on storage thanks to the massive centre console in the Sierra HD and its large lower lockable glove box and upper glove box. The available lockable console vault accessory is perfect for your most precious items.

 

 

Sierra HD AT4

Engineered to take on the toughest terrain, the Sierra HD AT4 trim can conquer any off-road challenge without compromise. The 2023 GMC Sierra HD AT4 also features a uniquely crafted interior, featuring:

  • Heated/ventilated front leather seat surfaces
  • Heated leather-wrapped steering wheel
  • Jet Black & Kalahari interior
  • Front & rear floor liners (featuring removable carpet inserts)
  • AT4 embroidered logos
  • Rear seatback, plus under-seat storage
  • HVAC system, with dual-zone climate control
  • Rear-seat outlets

 

 

Sierra HD Denali

Experience all that the Sierra HD has to offer with the premium features from the top-level Denali trim. Ride in stylish luxury and experience the exclusive features that Denali has to offer, highlights include:

  • Jet Black and exclusive Denali Dark Walnut/Dark Ash Grey interiors
  • Forge perforated leather seating surfaces with front heated and ventilated bucket seats (driver seat includes memory)
  • Denali-exclusive authentic Open-Pore Ash Wood, brushed aluminum trim, chrome accents and more
  • Heated rear outboard seating with expansive rear leg room

 

 

2023 Sierra HD Interior

Dimensions:Sierra 2500 HD Denali Crew Cab Standard BedSierra 3500 HD Denali Crew Cab Standard Bed
Front Headroom (mm/in)1,093 / 43.031,093 / 43.03
Rear Headroom (mm/in)1,013 / 39.881,019 / 40.12
Front Legroom (mm/in)1,131 / 44.531,131 / 44.53
Rear Legroom (mm/in)1,102 / 43.401,102 / 43.40
Front Shoulder Room (mm/in)1,677 / 66.021,677 / 66.02
Rear Shoulder Room (mm/in)1,659 / 65.301,659 / 65.30
Front Hip Room (mm/in)1,554 / 61.181,554 / 61.18
Rear Hip Room (mm/in)1,530 / 60.241,530 / 60.24
Passenger Capacity 5 5

Performance & Capability

Heavy Duty Capability

Engineered to perform first and foremost, the 2023 Sierra HD makes your day on the job that much easier. With up to 36,0000 lbs of max-towing power, and innovative features that are exclusive to top trim levels like the Denali and AT4, you can demand more out of your truck and have the Sierra HD fulfill all expectations.

Suspension: Independent front suspensions keep your wheels in line and your ride comfortable all while increasing the turnability in your Sierra HD. The live-axle suspension also assists in your overall ride comfort while helping to balance payload management.

Engine Options: Many additional features help to keep the available Duramax Turbo-Diesel V8 at an optimal running temperature. From a 28-inch variable-speed cooling fan to the Diesel After-Run feature, as well as the Dual Path Air Induction system that also works to draw in cool air to your engine.

Stop & Go Technology

The numerous Stop & Go features of the Sierra HD help assist you both on the road, and while your truck is parked. These features include:

  • Auto Electric Parking Brake Assist (available)
  • Park Grade Hold Assist
  • Digital Variable Steering Assist (available)
  • 2-Speed Autotrac Transfer Case (available)
  • Traction Select System (with Tow/Haul and Off-Road Mode) (available)

 

Available Packages

Elevate the adventure-ability of your Sierra HD even further with available add-on packages. Turn your Sierra HD into an off-roading beast and certified hauler.

X31 Off-Road Package:

  • Off-road suspension
  • Underbody skid plates
  • Twin-tube Rancho shocks
  • Eaton automatic locking rear differential

Gooseneck/5th Wheel Hitch Package:

  • Hitch platform for gooseneck or 5th wheel hitch
  • Hitch platform with tray to accept ball and stamped bed holes (removable caps installed)
  • Bed-mounted 7-pin trailer harness
  • Bed View Camera (available)

2023 Sierra HD Engine & Transmission Options

Specifications:Sierra 2500 Sierra 3500
Engine 6.6L V8 Gas Engine / 6.6L Duramax Turbo-Diesel V8 6.6L V8 Gas Engine / 6.6L Duramax Turbo-Diesel V8
Horsepower 401 hp / 445 hp401 hp / 445 hp
Torque 464 lb-ft / 910 lb-ft464 lb-ft / 910 lb-ft
Max Towing (Conventional) 8391 kg (18,500 lbs) 9072 kg (20,000 lbs)
Max Towing (5th Wheel) 8396 kg (18,510 lbs) 14515 kg (32,000 lbs)
Max Towing (Gooseneck) 8396 kg (18,510 lbs) 16,329 (36,000 lbs)
Max Payload 1805 kg (3,979lbs)3376 kg (7,442 lbs)

Technology

Pro Grade Trailering System Trailer with confidence and ease thanks to the Sierra HD’s available ProGrade Trailering System. These intelligent trailering technologies make hitching and towing go as smoothly as possible. Features include: ● In-vehicle trailering app ● myGMC mobile app ● Smart trailer integration ● Jack-knife alert (available)
2023 GMC Sierra HD

Up to 15 Camera Views

Keep tabs on your truck, trailer and all of your surroundings with up to 15 different available camera views on the 2023 GMC Sierra HD. Drivers can experience the HD Surround Vision system, Rear Camera Mirror, Bed View Camera, Rear Trailer View, Forward and Reverse Side View Bias, and so much more.
2023 GMC Sierra HD

First-in-Class 15” Head-Up Display

Explore the multicolour 15” diagonal Head-Up Display for the first time ever in the heavy-duty pickup class. Essential vehicle information is projected right onto the windshield, directly in your line of vision, helping you keep your eyes on the road. Highlighted information includes: ● Speed ● Tachometer ● Audio ● Phone ● Available Navigation ● Forward Collision Alert ● Lane Departure Warning ● Cruise Control ● Low Fuel ● Off-road inclinometer that measures fore-and-aft tilt, front tire angle and left-and-right tilt
2022-sierra-hd-denali-details-tech

Infotainment & Connectivity

Lead by an outstanding audio experience by the MultiPro Audio System by Kicker, Apple CarPlay and Android Auto integration, and available Amazon Alexa Built-In as well as available MyGMC Mobile App. Drivers can also experience the available SirusXM 360 L, the most comprehensive version of SirusXM ad-free content, to date. The 2023 GMC Sierra HD offers multiple pathways to keep you connected, with these numerous connective technologies right at your fingertips.

Safety

Sierra HD Intelligent Safety

Piloting a HD truck takes skill, thankfully GMC has numerous available advanced driver assists and safety technology to keep you confident and safe while you’re behind the wheel. Highlighted technologies include:

Available Lane Departure Warning: this system alerts the driver when they may be accidentally drifting out of their lane, so the driver can keep a steady course. This system will not activate when the driver is intentionally changing lanes or has their signal light on.

Available Front and Rear Park Assist: Providing distances between walls, curbs, vehicles, and other objects while parking, this assist will help you pull into and back out of parking spaces with ease.Other highlighted available advanced safety features include:

  • Automatic Emergency Braking
  • Forward Collision Alert
  • Following Distance Indicator
  • Safety Alert Seat
  • Intellibeam—Auto High Beams
  • Teen Driver

 

 

What’s New For Sierra HD in 2023?

Coming into 2023, Sierra HD receives no major updates, as a mid-cycle refresh is planned for 2024 HD models. The most notable recent changes for Sierra HD was for the 2021 model year when the Jack-knife alert and trailer length indicator both debuted for Sierra HD.

2023 Sierra HD Models

2023 GMC Sierra HD

Pro

Starting at $58,897
Details:

● Available max. towing at 16,629 KG (36,000 LB.)
● Best-in-class heavy-duty cargo bed volume
● First heavy duty in its class offering Allison® 10-speed Automatic Transmission with available 6.6L Duramax® Turbo-Diesel V8 engine
● Available ProGrade Trailering System with in-vehicle Trailering App (available on SLE and standard on SLT)
● Advanced camera views† (available on SLT) including industry-first transparent trailer view, required HD Surround Vision† and more
● Available World’s First Six-Function MultiProTM Tailgate

Sierra HD Inventory
2023 GMC Sierra HD

SLE

Starting at $58,897
Details:

● Available max. towing at 16,629 KG (36,000 LB.)
● Best-in-class heavy-duty cargo bed volume
● First heavy duty in its class offering Allison® 10-speed Automatic Transmission with available 6.6L Duramax® Turbo-Diesel V8 engine
● Available ProGrade Trailering System with in-vehicle Trailering App (available on SLE and standard on SLT)
● Advanced camera views† (available on SLT) including industry-first transparent trailer view, required HD Surround Vision† and more
● Available World’s First Six-Function MultiProTM Tailgate

Sierra HD Inventory
2023 GMC Sierra HD

SLT

Starting at $58,897
Details:

● Available max. towing at 16,629 KG (36,000 LB.)
● Best-in-class heavy-duty cargo bed volume
● First heavy duty in its class offering Allison® 10-speed Automatic Transmission with available 6.6L Duramax® Turbo-Diesel V8 engine
● Available ProGrade Trailering System with in-vehicle Trailering App (available on SLE and standard on SLT)
● Advanced camera views† (available on SLT) including industry-first transparent trailer view, required HD Surround Vision† and more
● Available World’s First Six-Function MultiProTM Tailgate

Sierra HD Inventory
2023 GMC Sierra HD

AT4

Starting at $85,147
Details:

● Off-road suspension with Rancho® shocks and skid plates
● Available multicolour 15″ diagonal Head-Up Display with inclinometer
● Up to 15 available camera views including industry-first transparent trailer view, HD Surround Vision and more
● AT4-exclusive black chrome exterior accents and durable, athletic interior
● First heavy duty in its class offering Allison® 10-Speed Automatic with available 6.6L Duramax® Turbo-Diesel V8 engine
● World’s First Six-Function MultiProTM Tailgate

Sierra HD Inventory
2023 GMC Sierra HD

Denali

Starting at $93,397
Details:

● First heavy duty in its class offering Allison® 10-Speed Automatic Transmission with available 6.6L Duramax® Turbo Diesel V8 engine
● World’s First Six-Function MultiProTM Tailgate
● Up to 15 available camera views including industry-first transparent trailer view, HD Surround Vision and more
● First HD in its class with available multicolour 15″ diagonal Head-Up Display & Rear Camera Mirror
● Signature Denali grille with chrome inserts
● Denali-exclusive authentic open-pore Ash wood, brushed aluminum trim, chrome accents and more

Sierra HD Inventory

Get to work with one of the 2023 GMC Sierra HD offerings available at Gus Brown in Port Perry. Whether you’re looking for a new HD truck, half-ton pickup, or want to get into an SUV, our experts have you covered. Explore our GMC and Buick models available in our new and used inventories. Shop for genuine OEM parts, tires, schedule service with our team, and more. Visit our dealership today, or contact us now to get started.