From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there’s a GMC Sierra Heavy Duty trim ready to help you take on whatever lies ahead.

Build & Price your 2025 GMC Sierra 2500 HD by selecting from available trims and features.

Choose either a 2025 GMC Sierra 2500 HD or 3500 HD, and begin building your own personalized heavy-duty pickup truck.

Think of the GMC Sierra HD pickup as the brawnier sibling of the near-ubiquitous Sierra 1500 half-ton. With stronger bones and running gear, the Sierra 2500HD and 3500HD can out-tow and...

Test drive New 2025 GMC Sierra 2500 AT4X at home from the top dealers in your area. Search from 497 New GMC Sierra 2500 cars for sale ranging in price from $75,335 to $109,110.

Compare all 2025 GMC Sierra 2500 trims in one place. Get KBB fair purchase pricing, fuel economy, tech, and safety features side-by-side to find the best fit for you.

Research the 2025 GMC Sierra 2500 at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory.

Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD) Transmission, Allison 10-Speed automatic (STD)

The MotorTrend Buyer's Guide has the 2025 GMC Sierra 2500HD specs you need, from dimensions and cargo space to power and mpgs. Find incentives, rebates, recalls, and warranty specifications...

This 2025 GMC Sierra 2500 HD in COLLINSVILLE, IL is available for a test drive today. Visit Laura Buick GMC in COLLINSVILLE to find it and other great deals on new and used vehicles!