When you are shopping for the most capable and luxurious truck to get the job done, consider getting the 2025 GMC Sierra 3500 HD. This work-ready truck is available with a dual-wheel rear configuration for even greater towing capability for those looking to utilize a fifth-wheel or gooseneck trailer attachment. These are only a few of the many highlights that make the 2025 GMC Sierra 3500 HD a great choice for work, so continue reading to get even more details about its luxurious interior, advanced technology, and so much more.
If you are looking for a light-duty GMC pickup truck, check out the new GMC Sierra 1500.
Exterior
Modern & Bold
Unlike any other truck on the road, the 2025 GMC Sierra 3500 HD has a commanding presence that is reflective of its unique design. From its modern LED headlights that encompass C-shaped running lights to the bold grille and other aggressive styling features, the new Sierra 3500 HD looks as good as it performs.
Exterior Paint Colours
Don’t settle for good enough; instead, make your 2025 GMC Sierra 3500 HD suit your unique preferences or match your business with one of the following exterior colour options: (Extra Charge Colour*)
- Onyx Black
- Summit White
- Sterling Metallic
- Downpour Metallic*
- Titanium Rush Metallic*
- Volcanic Red Tintcoat*
- White Frost Tricoat*
Interior
Durable Interior
Getting work done is what the 2025 GMC Sierra 3500 HD shines at, and the standard interior has heavy-duty vinyl seating material to withstand the daily wear and tear of hard work. Besides the seats being covered in vinyl, the flooring is also protected by rubberized vinyl floor covering for maximum durability.
Premium Luxury
Those seeking more comfort and luxury from the 2025 GMC Sierra 3500 HD without compromising durability, will want to explore the leather options for the interior. Those luxurious options can include:
- Full Grain Leather Seating Surfaces
- Leather-Wrapped Steering Wheel
- Heated & Ventilated Front Bucket Seats
2025 GMC Sierra 3500 HD Image Gallery
Performance
Engine Options
Incredible performance is to be expected from the 2025 GMC Sierra 3500 HD, which is highly configurable to suit any type of need, featuring two powerful engine options. The standard engine is the 6.6-litre V8 gas that cranks out 401 horsepower and 464 lb-ft of torque. However, an optional 6.6-litre Duramax Turbo-Diesel engine is the recommended choice for maximum output as it delivers 470 horsepower and 975 lb-ft of torque.
Towing Capacity
When the best is what you are after, the 2025 GMC Sierra 3500 HD is the right choice for you, delivering great towing power with versatile options. You can upfit your GMC truck for conventional, fifth-wheel, or goose-neck towing, with the latter delivering a maximum towing capacity of 36,000 pounds.
| Specifications: |
2025 GMC Sierra 3500 HD |
|
| Engine Type | 6.6L V8 Gas | 6.6L Duramax Turbo-Diesel V8 |
| Horsepower | 401 | 470 |
| Torque (lb-ft) | 464 | 975 |
| Max Towing (lb/kg) | 18,700 / 8,482 | 36,000 / 16,329 |
| Transmission | Allison® 10-Speed Automatic | Allison® 10-Speed Automatic |
Technology
Large Infotainment Screen
Enjoy seamless access to entertainment media while on the go and helpful features within the available 13.4-inch touchscreen display of the 2025 GMC Sierra 3500 HD, a standard option for the SLE trim level and up. Additionally, this display is compatible with wireless Apple CarPlay and Android Auto, providing even greater flexibility for pairing your smartphone with your GMC.
12.3-inch Driver Information Centre
Access vital vehicle information such as safety warnings, towing information, driving metrics, and so much more at a glance with the 12.3-inch driver information centre display that’s available for the 2025 GMC Sierra 3500 HD. It becomes a standard option, a trim level up from the base trim, replacing the traditional gauges with a high-definition cluster display layout.
Safety & Driver Assistance
Auxiliary Trailer Camera
Tow with confidence knowing that your 2025 GMC Sierra 3500 HD is not only capable of heavy-duty towing, but it can also be optioned with helpful towing features such as the Auxiliary Trailer Camera. This camera provides a clear view of the trailer to promote safer towing awareness, and you can even take advantage of helpful view options such as Transparent Trailer View, Rear Trailer View or Inside Trailer View, depending on camera installation.
Advanced Driver Assistance
Although the 2025 GMC Sierra 3500 HD has a wide selection of advanced driver assistance features, they are still standard offerings, including:
- Lane Departure Warning
- Front Pedestrian Braking
- Forward Collision Alert
- Automatic Emergency Braking
2025 GMC Sierra 3500 HD Trim Levels
Pro
Starting at $74,333- 6.6L V8 Gas Engine with Allison® 10-Speed Automatic Transmission
- Trailering Package, Trailering Mirrors and Trailer Brake Controller
- Wireless Apple CarPlay® Compatibility
- Wireless Android Auto™ Compatibility
SLE
Starting at $80,133- 13.4-inch Centre Touchscreen Display
- 12.3-inch Digital Driver Information Centre Display
- Traction Select System with Tow/Haul Mode
- 17-inch Machined Aluminum Wheels
SLT
Starting at $90,133- LED Headlamps and Daytime Running Lamps
- Power-Folding and- Extending Vertical Trailering Mirrors
- Perforated Leather-Appointed Front Seating
- 10-Way Power Adjusters for Front Seats
AT4
Starting at $101,833- Heated and Ventilated Perforated Front Leather Seating Surfaces
- 20-inch Gloss-Black Aluminum Wheels with available BFGoodrich® Off-Road Tires
- Off-Road Suspension Package with Twin-Tube Rancho Shocks and Skid Plates
- Adaptive Cruise Control
Denali
Starting at $105,833- 20-inch Ultra-Bright Machined Wheels with Bright Chrome Inserts
- Denali-Exclusive Authentic Open-Pore Wood and Patterned Aluminum Trim
- Forge Perforated Leather Seating Surfaces
- 12-Way Heated and Ventilated Power Front Seats
Denali Ultimate
Starting at $130,933- Exclusive 20-inch Ultra-Bright Machined Aluminum Wheels with Gloss-Black Inserts
- Exclusive Alpine Umber Interior featuring Full-Grain Leather Seating
- 16-Way Power Front Seats with Massage Feature
- Illuminated Power Assist Steps
Shop the 2025 GMC Sierra 3500 HD at Yellowknife Motors
Are you ready to drive home a 2025 GMC Sierra 3500 HD that’s ready for any job site that you might find yourself at? Contact us at your earliest convenience and speak to our friendly staff at Yellowknife Motors to find the perfect GMC truck for your driving needs. You are welcome to visit our showroom anytime and book your test drive to get an even better idea of what the GMC truck lineup has to offer for your commute.