
The 2025 GMC Sierra HD is a true workhorse when it comes to towing and hauling. Whether a standard or long bed, regular, double, or crew cab, and two- or four-wheel drive, it’s extremely capable. Come see the 2025 GMC Sierra HD in action at Lester Glenn Buick GMC.
Choice of Engine Configurations
While the standard 6.6-liter V8 gas engine is plenty capable, the available Duramax® diesel configuration will offer the highest towing capacity. Both engines are paired with a 10-speed Allison® transmission. The gas engine produces 401 horsepower and 464 lb-ft of torque. The Duramax® 6.6-liter Turbo-Diesel V8 boasts 470 horsepower and a massive 975 lb-ft of torque.
The 2025 GMC Sierra 2500 HD
The 2025 GMC Sierra 2500 HD has a maximum towing capacity of 22,500 lbs when properly equipped and choosing the Duramax® diesel engine configuration. A single rear-wheel axle is the only option for this trim. Bear in mind that cab size, drivetrain, and package options all influence your vehicle’s maximum towing capability.
The 2025 GMC Sierra 3500 HD
The maximum towing capacity of the 2025 GMC Sierra 3500 HD is 36,000 lbs. This can be achieved by choosing the Duramax® Turbo-Diesel engine with a regular cab, gooseneck hitch, rear-wheel drive, and dual rear wheels. A fifth-wheel hitch will reduce the towing capacity to 32,000 lbs.
Trailering Tech
Along with their raw strength, 2025 GMC Sierra HD models include plenty of available tech to make towing as convenient as possible. These include:
• Adaptive Cruise Control with Trailering
• ProGrade Trailering Tech
• Up to 14 camera views
Explore the Towing Capability of the 2025 GMC Sierra HD
To explore the impressive towing capacity of the 2025 GMC Sierra HD, visit our Toms River, NJ GMC dealership. We can help you customize the perfect truck to fit your needs. Schedule a test drive today!

