Trim Levels of the 2025 GMC Sierra HD: Heavy-Duty Power & Great Choices

The 2025 GMC Sierra HD is a heavy-duty truck that’s great for handling tough jobs easily. Whether you are hauling gear or towing a large camper or equipment, the Sierra HD gets the job done in style.  

2025 GMC Sierra HD Trim Levels

Sierra HD Pro

The base trim of the Sierra HD lineup, the Pro is impressively equipped with comfort and performance features. Powered by a 6.6L V8 engine and 10-speed Allison® transmission, you have plenty of power to do what you want. You will also find many convenient features like wireless Apple CarPlay® and Android Auto™.

Sierra HD SLE

The SLE adds a few nice convenience features, such as a 13.4-inch center touchscreen and a 12.3-inch driver information display. It also comes with 17-inch machined aluminum wheels, as well as a Traction Select System where you can access Tow/Haul mode.

Sierra HD SLT

For even more included features, step up to the SLT trim. Here you’ll get everything included in the SLE, with the addition of a 10-way power heated driver and front outboard passenger seats for added comfort on the road. You’ll also get an upgraded trailering experience with the ProGrade Trailering System and in-vehicle app.

Sierra HD AT4

Sitting on 20-inch gloss black aluminum wheels, the Sierra HD AT4 has a bold and sporty style. In addition to the standard features on the SLT, the AT4 also includes a jet black interior with heated and ventilated leather seats, adaptive cruise control, and an Off-Road Suspension Package.

Sierra HD Denali

The Sierra HD Denali is a luxury experience from the exterior to the interior. The exterior has bright chrome trim, 20-inch ultra-bright machined aluminum wheels, and exclusive Denali accents. When you climb into the cab, you’ll notice open-pore wood accents, 12-way power leather heated and ventilated front seats.

Sierra HD AT4X

If you want to add premier off-road and luxury features to your heavy-duty truck, the AT4X trim includes everything you get with the AT4, plus so much more. It includes:

• 35-inch Goodyear® Territory MT tires
• 16-way heated and ventilated power front seats with massage feature
• Full-grain leather seating

Sierra HD Denali Ultimate

The Denali Ultimate takes luxury a step further than the Sierra Denali. You’ll enjoy features including a 12-speaker Bose Premium Series with Centerpoint surround sound, and a unique Alpine Umber interior.

Shop Sierra HD Models in Tampa, FL Today!

Stop in to Century Buick GMC in Tampa, FL, to see the available Sierra HD trim levels today!

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