2025 GMC Sierra 2500 HD Trim Levels
The 2025 GMC Sierra 2500HD is a versatile heavy-duty pickup designed with modern features to enhance functionality and comfort. Its spacious interior offers practical storage solutions, making it convenient for work and daily driving. This truck’s design incorporates advanced technology, including a large touchscreen infotainment system and a suite of safety features, ensuring a user-friendly experience. Whether navigating city streets or job sites, the Sierra 2500HD provides a refined ride, blending rugged capability with upscale amenities to meet the needs of a wide range of customers of the Marion GMC dealer.
The 2025 GMC Sierra 2500 HD comes in seven trims: Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate. The standard engine is a 6.6-liter V8 putting out a solid 401 horsepower and 464 lb-ft of torque, coupled to a 10-speed automatic transmission. Rear- and all-wheel drive are both offered. For even more power, a 6.6-liter Duramax turbodiesel V8 generates 470 hp and an incredible 975 lb-ft of torque. This engine is mated to an Allison 10-speed automatic transmission. According to the folks at the Marion GMC dealership, the Silverado 2500 HD can pull up to 22,500 pounds with the turbodiesel.
The 2025 GMC Sierra 2500 HD comes in seven trims: Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate. The standard engine is a 6.6-liter V8 putting out a solid 401 horsepower and 464 lb-ft of torque, coupled to a 10-speed automatic transmission. Rear- and all-wheel drive are both offered. For even more power, a 6.6-liter Duramax turbodiesel V8 generates 470 hp and an incredible 975 lb-ft of torque. This engine is mated to an Allison 10-speed automatic transmission. According to the folks at the Marion GMC dealership, the Silverado 2500 HD can pull up to 22,500 pounds with the turbodiesel.

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