2025 GMC Sierra 2500HD and 3500HD in Branford, CT
The 2025 GMC Sierra Heavy Duty is at Blasius GMC in Branford, CT
$48,495
Starting MSRP
6.6L Duramax Turbo-Diesel
Available Engine
470 HP & 975 lb-ft
Duramax Power
36,000 lbs
Max Towing
Design
Bold Heavy-Duty Presence
The 2025 GMC Sierra Heavy Duty commands respect with its massive, distinctive grille and rugged stance designed for serious work. LED headlights and taillights with sequential turn signals provide enhanced visibility and modern appeal, while the premium chrome accents distinguish it from the competition.
- Signature GMC bold front grille with chrome surround
- LED projector headlights with C-shape signature lighting
- Available power-retractable assist steps with LED lighting
- CornerStep rear bumper for easy bed access
- GMC MultiPro tailgate with six unique functions
- Available bed LED lighting and power outlets
Performance
Unmatched Towing Capability
Choose between two powerful engine options designed for maximum capability. The standard 6.6L V8 gas engine delivers 401 horsepower and 464 lb-ft of torque, while the available Duramax 6.6L turbo-diesel V8 produces an impressive 470 horsepower and 975 lb-ft of torque.
- 401-HP 6.6L V8 gas engine with 10-speed Allison automatic
- 470-HP 6.6L Duramax turbo-diesel with 975 lb-ft torque
- Maximum conventional towing up to 36,000 pounds
- Maximum payload capacity up to 8,920 pounds
- Advanced trailering technologies and camera systems
- Available four-wheel drive with Autotrac transfer case
Safety
Sierra HD Pro Safety
Every Sierra Heavy Duty comes standard with Sierra HD Pro Safety, providing advanced protection for you, your crew, and your cargo. Enhanced safety features are available to provide even greater peace of mind during work and travel.
- Forward Collision Alert with Automatic Emergency Braking
- Front Pedestrian Braking with cyclist detection
- Lane Departure Warning with Lane Keep Assist
- Following Distance Indicator and IntelliBeam headlights
- Available HD Surround Vision with up to 15 camera views
- Available Trailer Side Blind Zone Alert
- Available Rear Cross Traffic Braking
- Available Adaptive Cruise Control with trailering
Technology
Connected and Capable
Stay connected and in control with advanced infotainment and trailering technologies. The Sierra Heavy Duty offers industry-leading trailering assistance with more available features than any competitor in its class.
- Available 13.4-inch diagonal touchscreen infotainment system
- Wireless Apple CarPlay and Android Auto compatibility
- Google built-in with voice assistant and apps
- Available 15-inch Head-Up Display with customizable information
- ProGrade Trailering System with camera integration
- Transparent Trailer View technology
- Available Wi-Fi hotspot capability
- Available wireless charging pad
Trim Levels
Built for Every Job
The 2025 Sierra Heavy Duty lineup offers five distinct trim levels to match your work and lifestyle needs, from the capable Pro to the luxurious Denali Ultimate, with specialized AT4 and AT4X models for off-road adventures.
- Pro: Essential features for commercial use and fleet customers
- SLE: Enhanced comfort with upgraded interior appointments
- SLT: Premium features including leather seating and advanced tech
- AT4: Off-road capability with specialized suspension and skid plates
- AT4X: Ultimate off-road performance with factory lift and locking differentials
- Denali: Luxury appointments with premium materials and finishes
- Denali Ultimate: Top-tier luxury with exclusive interior treatments
Discover the 2025 GMC Sierra Heavy Duty Today
The 2025 GMC Sierra Heavy Duty is now available at Blasius GMC. Visit our showroom at 490 E Main St, Branford, CT 06405, or call us at (203) 481-3401 to learn more. Our GMC specialists are ready to help you find the perfect heavy-duty truck that combines unmatched capability, advanced technology, and professional-grade durability for your toughest jobs.