New GMC Pickup Truck at Gus Brown Buick GMC
Don’t let the light-duty tag fool you, the 2023 GMC Sierra 1500 offers up heavy duty performance thanks to a number of best-in-class and first-in-class attributes. From its rugged aesthetic appeal to its range of powertrains and advanced features, the Sierra 1500 conquers tough terrain from the jobsite to the campsite—and every road in between. Learn more about this exceptionally capable truck with your source for all things automotive in Whitby, Ontario: Gus Brown Buick GMC!
Exterior
Rugged Appearance
The GMC Sierra 1500 boasts a rugged and intimidating exterior. Featuring C-shaped headlamps flanking the imposing grille, the Sierra 1500 combines aesthetics and utility into all facets of its design. Small, detailed enhancements on the SLE and SLT trims help this pickup shine even brighter with chrome flair. No matter which trim you choose, the available industry-first GMC MultiPro™ Tailgate and its six different functions make loading and unloading the Sierra easier than ever.
Off-Road Functionality
The Sierra 1500 isn’t just all looks, it combines its rugged appearance with the capability to earn its reputation. Built for those who love off-road terrain, the 1500 Elevation offers vertical recovery hooks, 20” wheels, and an available X31 Off-Road Package which adds an integrated dual-exhaust and All-Terrain tires. The AT4 trim ramps up the off-road style, by adding fog lamps, and a factory-installed 2” lift kit.
Premium Denali
For the premium Sierra experience, choose the Sierra 1500 Denali. With the bright chrome grille insert, recovery hooks, and mirror caps, the Denali is a stark contrast against the rest of the Sierra lineup. The luxury appearance of the exterior will show the world you mean business with style.
Dimensions: | Sierra 1500 Denali (Crew Cab, Short Box) | Sierra 1500 Denali (Crew Cab, Standard Box) |
---|---|---|
Length (mm/in) | 5,886 / 231.7 | 6,128 / 241.3 |
Width (without mirrors) (mm/in) | 2,063 / 81.2 | 2,063 / 81.2 |
Height (mm/in) | 1,918 / 75.5 | 1,915 / 75.4 |
Wheelbase (mm/in) | 3,745 / 147.4 | 3,987 / 157.0 |
Cargo Box Length (on floor) (mm/in) | 1,776 / 69.9 | 2,018 / 79.4 |
Cargo Box Width (on floor) (mm/in) | 1,814 / 71.4 | 1,814 / 71.4 |
Tailgate Width (mm/in) | 1,814 / 71.4 | 1,814 / 71.4 |
Ground Clearance (mm/in) | 205 / 8.1 | 205 / 8.1 |
Cargo Volume (L) | 1,781 | 2,030 |
Curb Weight (kg/lbs) | 2,184 / 4,815 | 2,208 / 4,867 |
Interior
A Quiet Interior
The 2023 Sierra 1500 features the latest interior sound-absorption technology. Featured in the dash, carpet, and triple-sealed doors, you’ll experience an exceptionally quiet ride no matter what goes on outside, allowing you to enjoy your music or simply drive with your thoughts in mind.
Comfortable Control
The Sierra 1500 offers all occupants exceptional comfort and ride space in both the front and rear space of the cabin, thanks to large door openings, tons of rear-seat leg room, an almost flat floor, and available heated rear outboard seats. Your driver controls are also easily laid out for easy and comfortable access to all functionalities.
Smart Options
For a premium experience, enjoy smart available options including heated leather-wrapped steering wheel, rear under-seat storage or available rear seatback storage provide a home for your smaller personal goods, making the GMC Sierra more than just a pretty face.
Technology
Apple CarPlay & Android Auto
Enjoy premium connectivity between your mobile device and Sierra 1500 interface thanks to Apple CarPlay & Android Auto. Built directly into the display system, you’ll be able to easily control audio and navigation options, while listening through the Sierra’s premium audio system.
Advanced Connectivity
This premier pickup offers several additional technology features to make your driving experiences easier and more enjoyable. The available 4G LTE Wi-Fi Hotspot turns your Sierra into a command centre on wheels. The available first-in-class 15” diagonal multi color Heads-Up Display shows the most important driver information on the windshield, so you can keep your eyes on the roads.
Utility Technology
The Sierra has the technology to make towing and hauling easier than ever before. The available ProGrade™ Trailering System is composed of an array of intelligent trailering tech, allowing you to hitch and tow with unparalleled ease. An in-vehicle Trailering App allows you to create custom trailer profiles and statuses so you can monitor things like tire pressure and temperature, along with the available trailering assist features like Bed View with Zoom and Hitch Guidance, Jack-Knife Alert, Rear Trailer View, and Rear Side View.
Performance & Efficiency
Engine Options
Performance is what separates the Sierra 1500 from the rest of the light duty pack. From the light duty 4.3L EcoTec3, to the ultra-powerful Duramax 3.0L Turbo-Diesel, you’ll never be lacking in horsepower and torque for whatever the job demands. Utilizing 3 different automatic transmissions, you’ll be able to efficiently harness this power as well, to achieve as low as 7.8L/100km efficiency on the 2WD Diesel model.
Engine | Horsepower | Torque (lb-ft) | Transmission | Estimated Fuel Efficiency 2WD (City/Hwy) | Estimated Fuel Efficiency 4WD (City/Hwy) |
---|---|---|---|---|---|
4.3L EcoTec3 w/ Active Fuel Management | 285 | 305 | 6-speed automatic | 15.1 / 11.5 L/100 km | 15.8 / 11.9 L/100 km |
2.7L Turbo w/ Active Fuel Management | 310 | 348 | 8-speed automatic | 11.9 / 10.3 L/100 km | 13.0 / 11.4 L/100 km |
5.3L EcoTec3 V8 w/ Active Fuel Management | 355 | 383 | 8-speed automatic | (2WD models only) 14.0 / 10.1 L/100 km | 14.3 / 10.7 L/100 km |
6.2L EcoTec3 V8 w/ Dynamic Fuel Management | 420 | 460 | 10-speed automatic | -- | 15.1 / 11.5 L/100 km |
Duramax® 3.0L Turbo-diesel I-6 | 277 | 460 | 10-speed automatic | 10.2 / 7.8 L/100 km | 10.6 / 9.2 L/100 km |
Safety
Keeping you safe behind the wheel of the GMC Sierra 1500 is an array of standard and available advanced driver assistance and safety technology, providing you with the confidence to handle whatever the road throws your way. Available Adaptive Cruise Control allows you to set a gap time from the vehicle ahead of you, maintaining that gap so you can brake and accelerate less while on the highway, while the available Following Distance Indicator displays the difference in time between you and the vehicle ahead. The available IntelliBeam® Auto High Beams automatically turn your high-beam headlamps on and off according to the other vehicles on the road, while the available Automatic Emergency Braking works with the Forward Collision Alert system to help avoid front-end collisions by either assisting the driver’s braking or braking for you.

Adaptive Cruise Control

Intelligent Headlights

Forward Collision Alert
2023 GMC Sierra 1500 Models
Thanks to a laundry list of both best- and first-in-class attributes, a choice of several high-performance powertrains, and a ton of standard and available advanced safety and technology systems, it’s no wonder the 2023 GMC Sierra 1500 is at the head of its class—its rugged good looks and spacious interior is just a bonus! Find the right GMC Sierra 1500 for your needs today at Gus Brown Buick GMC in Whitby, Ontario.