2025 GMC Sierra 3500HD
*MSRP Starting at $46,300
Vehicle Overview
The 2025 GMC Sierra 3500 HD is the pinnacle of capability and comfort for heavy-duty truck buyers. This iconic workhorse receives significant upgrades for 2025, including a more powerful 6.6L Duramax turbo-diesel V8 making 475 horsepower and 1,050 lb-ft of torque, paired to an all-new 10-speed Allison automatic transmission for maximum towing performance. Fuel economy is impressive too, with up to 25 mpg on the highway.
Technology Highlights
On the technology front, the Sierra 3500 HD delivers with a host of Driver Assistance features like Automatic Emergency Braking, Rear Camera Mirror, and up to 15 camera views for added visibility. The infotainment system features a large 12” touchscreen with Apple CarPlay/Android Auto.
Design and Styling
The Sierra 3500 HD continues the bold, rugged styling of the Sierra lineup with an imposing front-end, massive hood, and quad beam headlamps. Available features like 20” alloy wheels and power-retractable assist steps provide both form and function. The interior offers premium appointments with soft-touch materials and available heated/ventilated front seats.
Awards and Accolades
The GMC Sierra 3500 HD upholds the Sierra legacy, recognized as MotorTrend’s Truck of the Year for 2019 and 2020. GMC has earned high praise from J.D. Power for initial quality, performance, and reliability over multiple years.
Stop by Leachman Buick-GMC today to experience the incredible new 2025 GMC Sierra 3500 HD!
Shop the 2025 GMC Sierra 3500HD Today!
*The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.