The full lineup of 2023 GMC Sierra HD pickup trucks include the 2500HD and 3500HD, with each of them offering incredible power and capability. Within these two GMC Sierra HD models, you can choose from three available body styles, two bed lengths and five trim levels, so you’ll have no problem getting exactly what you’re looking for in a new pickup truck. From powerful towing and hauling capabilities to innovative technology, luxurious comfort and high-tech safety systems, 2023 GMC Sierra HD pickup trucks have everything you want and need on the road or at a job site. Keep reading to learn more about the new 2023 GMC Sierra HD at Terra Nova GMC Buick.
Exterior
MultiPro Tailgate
The full line of 2023 GMC Sierra HD pickup trucks offer you the chance to get one of the most innovative truck features available in the automotive industry. Unique to only GMC pickup trucks, the MultiPro Tailgate offers you a variety of options and ways to use a tailgate that helps make everything much easier. View the tailgate options of the MultiPro Tailgate below.
- Primary Gate
- Easy Access
- Full-Width Step
- Inner Gate Load Stop
- Primary Gate Load Stop
- Inner Gate with Work Surface
Exterior Paint Colours
Within the many trim levels of the 2023 GMC Sierra HD pickup truck, you’ll find ten available exterior paint colour options to choose from to meet your specific style. Below, you’ll find a list of all ten colours you can choose from when buying a new 2023 GMC Sierra 2500HD or 3500HD pickup truck.
- 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
10–Way Power Front Seats
Get the ideal individual comfort you want every time you take a seat in one of the front seats with the 2023 GMC Sierra HD’s 10-way power driver seat and front passenger seat. Adjustment features include forward, back, up, down and the ability to tilt both the seat cushion and seatbacks.
Heated Leather Seats and Heated Steering Wheel
When it gets cold outside, you’ll want to drive a pickup truck that can keep you warm no matter how low the temperature is outside. With the 2023 GMC Sierra HD’s heated leather seats and heated steering wheel, you’ll be able to stay warm while driving in cold weather.
| Specifications: | 2023 GMC Sierra 2500HD Pro
(Crew Cab/Standard Bed) |
2023 GMC Sierra 3500HD
(Double Cab/Long Bed) |
| Headroom (front) (mm/in) | 1,093 / 43.03 | 1,093 / 43.03 |
| Headroom (rear) (mm/in) | 1,013 / 39.88 | 1,013 / 39.88 |
| Legroom (front) (mm/in) | 1,131 / 44.53 | 1,131 / 44.53 |
| Legroom (rear) (mm/in) | 1,102 / 43.40 | 895 / 35.24 |
| Shoulder Room (front) (mm/in) | 1,677 / 66.02 | 1,677 / 66.02 |
| Shoulder Room (rear) (mm/in) | 1,659 / 65.30 | 1,648 / 64.88 |
| Hip Room (front) (mm/in) | 1,554 / 61.18 | 1,554 / 61.18 |
| Hip Room (rear) (mm/in) | 1,530 / 60.24 | 1,530 / 60.24 |
| Seating Capacity | 6 | 6 |
Technology
GMC Infotainment System
Every passenger can stay connected and entertained while driving a 2023 GMC Sierra HD pickup truck with the GMC Infotainment System. This high-tech system offers Bluetooth connectivity for audio streaming and hands-free calling as well as wireless connectivity to connect Apple CarPlay and Android Auto.
Up to 15 Available Camera Views
Keep an eye on almost everything around your 2023 GMC Sierra HD pickup truck thanks to fifteen (15) available camera views that allow you to see things you couldn’t otherwise see. Cameras include HD Surround Vision, a Rear Camera Mirror and a Bed View Camera that allows you to keep tabs on your payload.
Performance
Four-Wheel Drive (4×4) System
Stay in control when driving on slippery road surfaces such as rain, ice and snow with the 2023 GMC Sierra HD’s four-wheel drive system. The four-wheel drive system also comes in handy when driving off-road on dirt trails and gravel roads. If you want the best traction control when the roads become difficult to drive on, this four-wheel drive system is for you.
AutoTrac 2-Speed Transfer Case with Push-Button Controls
The 2023 GMC Sierra HD’s AutoTrac 2-Speed Transfer Case features an active automatic 4WD setting that can switch from two- to four-wheel drive based on road conditions. All the available settings include 2WD, Auto, 4WD and 4WD LO.
| 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
Automatic Emergency Braking
Working with Forward Collision Alert, the available Automatic Emergency Braking system helps you avoid or reduce the severity of a front-end collision with a detected vehicle in front of your 2023 GMC Sierra HD pickup truck. This safety feature works at speeds of less than 80 km/h.
Lane Change Alert with Side Blind Zone Alert
This available safety system can provide you with visual alerts in the side mirror when a vehicle is detected in your blind spot. The Lane Change Alert with Side Blind Zone Alert safety feature comes in very handy when changing lanes, as it can help you avoid collisions associated with lane changes.
2023 GMC Sierra 2500HD & 3500HD Trim Levels
Pro
Starting at $58,897*Highlights:
● Trailering Package
● GMC Infotainment System
● Dual-Zone Automatic Climate Control
SLE
Starting at $58,897*Highlights:
● Trailering Package
● GMC Infotainment System
● Dual-Zone Automatic Climate Control
SLT
Starting at $58,897*Highlights:
● Trailering Package
● GMC Infotainment System
● Dual-Zone Automatic Climate Control
AT4
Starting at $85,147*Highlights:
● HD Rear Vision Camera
● Heated and Ventilated Front Seats
● ProGrade Trailering System w/Hitch Guidance
Denali
Starting at $93,397*Highlights:
● Wireless Charging
● Bose Premium Sound System
● 8-Inch GMC Infotainment System with Navigation
The full lineup of new 2023 GMC Sierra HD pickup trucks in St. John’s Newfoundland and Labrador is now available at Terra Nova GMC Buick. If you would like to learn more about the 2023 GMC Sierra 2500HD or 3500HD, please visit our dealership in person to speak with a knowledgeable product specialist, today. You may also contact a sales professional to ask further questions and to learn more about any current sales and incentives that may be available. To really get a feel for the power and capability of a new 2023 GMC Sierra HD pickup truck, we encourage you to schedule a test drive so you can take it out on the road and experience it for yourself. We look forward to helping you find your new pickup truck.