2025 GMC Sierra HD in Slidell, LA
Get ready to explore the unbeaten path with the highly anticipated 2025 GMC Sierra HD. This remarkable beast is known for its robust performance and reliability that never compromises. Whether you intend to tow or haul, every Sierra HD in Slidell guarantees a smooth, comfortable ride packed with sheer power.
Wish to experience a GMC Sierra HD test-drive yourself or review the intricate details of the new trims? Join us at Legacy GMC Slidell! Our GMC dealer in Slidell looks forward to serving you.
Compare 2025 GMC Sierra HD Trims
2025 GMC Sierra HD
Pro
- 6.6-liter V8 gas engine w/ Allison® 10-speed automatic transmission
- Trailering Package, Trailering Mirrors & Trailer Brake Controller
- Best-in-class HD cargo box volume
2025 GMC Sierra HD
SLE
- 13.4-in. diagonal center touchscreen
- Traction Select System w/ Tow/Haul mode
- 17-in. machined aluminum wheels
2025 GMC Sierra HD
SLT
- 10-way power driver & front outboard passenger heated seats w/ lumbar
- Heated steering wheel
- ProGrade Trailering System w/ In-Vehicle Trailering App
2025 GMC Sierra HD
AT4
- Exclusive Jet Black interior w/ Kalahari accents
- Heated & ventilated perforated front leather seating surfaces
- Off-Road Suspension Package w/ twin-tube Rancho shocks & skid plates
2025 GMC Sierra HD
AT4X
- Factory-installed 1.5-in. suspension lift
- Multimatic® DSSV dampers
- 35-in. Goodyear Territory MT tires
2025 GMC Sierra HD
Denali
- 20-in. Ultra-Bright machined wheels w/ bright chrome inserts
- Denali-exclusive authentic open-pore wood, patterned aluminum trim
- 12-way heated & ventilated power front seats
2025 GMC Sierra HD
Denali Ultimate
- Duramax 6.6-liter Turbo-Diesel V8 engine
- Signature Vader Chrome grille
- Exclusive Alpine Umber interior featuring full-grain leather seating
2025 GMC Sierra HD Specials
Drive home in a new 2025 GMC Sierra HD from Legacy GMC Slidell with an exciting offer tailored for you. Whether it's a Sierra lease plan that piques your interest or applying for auto financing, our team is here to guide you to the most fitting option. Our wide range of Sierra HD financing offers are designed to suit diverse lifestyles and budgets. To understand more about the GMC financial incentives we provide, get in touch with our team at Legacy GMC Slidell today!
2025 GMC Sierra HD Specs
The 2025 GMC Sierra HD seamlessly fuses power with sophistication. Backed by a potent 6.6-liter V8 gas engine, every Sierra HD in Slidell is built to outperform. The new Sierra HD Pro comes paired with an Allison® 10-speed automatic transmission that promotes smooth, effortless shifting on any road.
Should you desire an elevated riding experience, the 2025 Sierra HD AT4X in Louisiana awaits you with a factory-installed 1.5-inch suspension lift and Multimatic® DSSV dampers. More specs and performance features can include:
2025 GMC Sierra HD Interior
The 2025 GMC Sierra HD comes equipped with a multitude of advanced features designed to assure a safe and comfortable ride. Systems like Forward Collision Alert, Lane Departure Warning and Automatic Emergency Braking come standard, ensuring peace of mind at every corner.
Slidell GMC fans can step inside the 2025 Sierra HD Denali Ultimate to enjoy an Alpine Umber interior with full-grain leather seating. Other interior technologies and safety features may include:
2025 GMC Sierra HD Near Me
Driven by a commitment to provide the best driving experience, We're proud to introduce the new 2025 GMC Sierra HD to Slidell HD truck enthusiasts. With a variety of trims, spacious interiors, cutting-edge technology and safety features, there is a Sierra HD for every taste and preference.
Opt for a Sierra 2500 HD Pro or pick the Sierra 3500 HD Denali Ultimate -- your perfect GMC Sierra HD is right here waiting for you at Legacy GMC Slidell. Don't wait! Visit Legacy GMC Slidell today and upgrade every journey in the powerful GMC Sierra HD.
2025 GMC Sierra HD FAQs
When can I order a 2025 GMC Sierra HD?
Not only is the 2025 GMC Sierra HD available to order, but we also have it for sale now. Schedule a test-drive of this heavy-duty truck at our local GMC dealership today.
How much horsepower does the 2025 GMC Sierra HD have?
The standard 6.6-liter V8 gas 2025 GMC Sierra HD engine delivers 401 horsepower, while the available 6.6-liter Duramax Turbo-Diesel engine offers up to 470 horsepower.
How much can the 2025 GMC Sierra HD tow?
The 2025 GMC Sierra HD towing capacity reaches up to 36,000 pounds on properly equipped Sierra 3500 HD models.
How much is a Sierra HD?
The 2025 GMC Sierra HD price varies by trim level, equipment and other factors. Get in touch with our local GMC financing experts for more information.