Every new 2023 GMC Sierra HD pickup truck delivers incredible power, performance and capability, which helps make it a top pick with drivers who are looking for the best. With three available cab styles, two bed lengths and multiple trim levels to choose from, you’ll be able to get the pickup truck you want when choosing the new 2023 GMC Sierra HD. The lineup of 2023 GMC Sierra HD models also offer the latest technology, comfort and safety features available in the auto industry. Keep reading to learn more about the new 2023 GMC Sierra HD at Ernie Dean Chevrolet Buick GMC.
Exterior
MultiPro Tailgate
The key to working smarter and not harder is to get the available GMC MultiPro Tailgate when buying a new 2023 GMC Sierra HD pickup truck. Whether you are wanting the 2023 GMC Sierra 2500HD or 3500HD, this innovative tailgate will help make loading and unloading much easier, and safer. View the six distinct functions of the MultiPro Tailgate below.
- Primary Gate
- Primary Gate Load Stop
- Easy Access
- Full-Width Step
- Inner Gate Load Stop
- Inner Gate with Work Surface
Exterior Paint Colours
The 2023 GMC Sierra HD shows off its style and look with ten distinct exterior paint colour options. View all the available paint colours below and choose the one you like best.
- Onyx Black
- Cardinal Red
- Summit White
- Forest Metallic
- Hunter Metallic
- Quicksilver Metallic
- Pacific Blue Metallic
- White Forest Tricoat
- Cayenne Red Tintcoat
- Ebony Twilight Metallic
| Specifications: | 2023 GMC Sierra 2500HD Pro (Crew Cab/Standard Bed) | 2023 GMC Sierra 3500HD (Double Cab/Long Bed) |
|---|---|---|
| Length (mm/in) | 6,352 / 250.08 | 6,515 / 256.46 |
| Width (mm/in) | 2,079 / 81.85 | 2,079 / 81.85 |
| Height (mm/in) | 2 027 / 79.82 | 2,054 / 80.87 |
| Wheelbase (mm/in) | 4,037 / 158.94 | 4,127 / 162.48 |
Interior
Dual-Zone Automatic Climate Control System
Automatically maintain a selected temperature for both the front passenger and driver with the 2023 GMC Sierra HD’s dual-zone automatic climate control system. This luxurious comfort feature allows for individual climate settings for each front passenger.
Heated and Ventilated Leather Seats
The 2023 GMC Sierra HD pickup truck can provide you with the luxury and comfort you’re looking for while on the road thanks to its available heated and ventilated leather front seats that give you the warmth you’re looking for on cold days. There’s also an available heated steering wheel that can help keep your hands warm while driving.
| Specifications: | 2023 GMC Sierra 2500HD Pro (Crew Cab/Standard Bed) | 2023 GMC Sierra 3500HD (Double Cab/Long Bed) |
|---|---|---|
| Front Headroom (mm/in) | 1,093 / 43.03 | 1,093 / 43.03 |
| Rear Headroom (mm/in) | 1,013 / 39.88 | 1,013 / 39.88 |
| Front Legroom (mm/in) | 1,131 / 44.53 | 1,131 / 44.53 |
| Rear Legroom (mm/in) | 1,102 / 43.40 | 895 / 35.24 |
| Front Shoulder Room (mm/in) | 1,677 / 66.02 | 1,677 / 66.02 |
| Rear Shoulder Room (mm/in) | 1,659 / 65.30 | 1,648 / 64.88 |
| Front Hip Room (mm/in) | 1,554 / 61.18 | 1,554 / 61.18 |
| Rear Hip Room (mm/in) | 1,530 / 60.24 | 1,530 / 60.24 |
| Passenger Capacity | 5 | 5 |
GMC Sierra Heavy Duty Image Gallery
Technology
Wireless Charging Pad
Never have your phone die again while driving with the 2023 GMC Sierra HD pickup truck’s available wireless charging pad. The pad is conveniently located within reach near the cupholders and is always ready to go. Keep your smartphone charged and ready to go when you are.
Bose Premium Audio System
The 2023 GMC Sierra HD offers the premium sound of Bose with seven perfectly placed speakers that produce concert-like sound throughout the interior cabin. With incredible power and high-quality acoustics, music lovers will love the available Bose sound system.
Performance
Four-Wheel Drive (4×4)
With the 2023 GMC Sierra HD pickup truck’s four-wheel drive, you’ll get the traction control you need to drive more safely on slick road surfaces such as snow and ice. With this added traction, you’ll be able to drive with confidence when the weather and road conditions turn bad.
In-Vehicle Trailering App
The 2023 GMC Sierra HD is designed and engineered to provide you with powerful towing capabilities. To help improve your trailering experience when hooking up your new 2023 GMC Sierra HD pickup truck to a trailer, the available In-Vehicle Trailering App can help. This app is integrated and accessible through the infotainment system and includes a long list of features. View many of the features below.
- Maintenance Reminders
- Step-By-Step Pre-Departure Checklist
- Trailer Tire Pressure Monitoring System
- Track Trailer Mileage and Fuel Economy
- Trailer Light Sequence with Automatic Lighting Test Sequence
- Create Up to Five (5) Custom Trailer Profiles Based on Trailer Name, Trailer Type and Trailer Hitch Type
| Engine Specifications: | 6.6L V8 | 6.6L Duramax Turbo-Diesel V8 |
|---|---|---|
| Horsepower | 401 | 445 |
| Torque (ft.-lb.) | 464 | 910 |
| Transmission | 6-Speed Heavy-Duty Automatic | Allison 10-Speed Automatic |
| Towing Capacity - Conventional (kg/lbs) | 8,391 / 18,500 | 9,072 / 20,000 |
| Towing Capacity - Fifth Wheel (kg/lbs) | 8,396 / 18,510 | 14,515 / 32,000 |
| Towing Capacity - Gooseneck (kg/lbs) | 8,396 / 18,510 | 16,329 / 36,000 |
| Payload Capacity (kg/lbs) | 1,805 / 3979 | 3,376 / 7,442 |
Safety
Forward Collision Alert
Stay safe and protected while driving with the 2023 GMC Sierra HD’s available Forward Collision Alert safety system that can warn you if it detects a potential front-end collision with a vehicle in front of you. With advanced notice, you can take action and avoid getting into an accident. It can also warn you if you’re following a vehicle too closely.
Rear Cross Traffic Alert
This available safety system can warn you of a detected vehicle approaching your 2023 GMC Sierra HD pickup truck from the left or right when in reverse. This advanced safety feature really comes in handy when pulling out of a parking spot or out of your driveway.
2023 GMC Sierra 2500HD & 3500HD Trim Levels
Pro
Starting at $58,897*Highlights:
● Trailering Package
● Wi-Fi Hotspot Capable
● GMC Infotainment System
SLE
Starting at $58,897*Highlights:
● Trailering Package
● Wi-Fi Hotspot Capable
● GMC Infotainment System
SLT
Starting at $58,897*Highlights:
● Trailering Package
● Wi-Fi Hotspot Capable
● GMC Infotainment System
AT4
Starting at $85,147*Highlights:
● Remote Engine Start
● ProGrade Trailering System
● Heated and Ventilated Front Seats
Denali
Starting at $93,397*Highlights:
● Wireless Charging
● Heated Seats and Steering Wheel
● OnStar & GMC Connected Services
To learn more about any of the new 2023 GMC Sierra HD models, please visit us at Ernie Dean Chevrolet Buick GM by driving to 4906 Concession Road 7 in Alliston, ON. If you would like to ask questions or learn about any current sales or incentives that are available, please call 705-435-4318 to speak with a product specialist. You may also schedule a VIP sales appointment or book a test drive by filling out an online form. We hope to hear from you soon.