





The 2025 GMC Sierra 3500HD Pro Crew Cab with the 6.6L gas V8 engine is a powerful and durable heavy-duty pickup designed for those who need serious capability without compromising on safety. Equipped with the 1SA base trim and upgraded with the Pro Safety Plus Package, this truck is ideal for tough jobs and long hauls, offering key driver assistance and comfort features.
6.6L V8 gas engine delivering 401 hp and 464 lb-ft of torque
10-speed automatic transmission for smooth, responsive shifting
Crew Cab with Long Box configuration for maximum interior space and bed capacity
Impressive towing and payload capability for work and hauling needs
Heavy-duty suspension and chassis engineering for commercial-grade tasks
Bold, functional Pro trim design with black grille and bumpers
Long cargo box (8 ft) for enhanced utility and bed volume
Trailering mirrors for improved towing visibility
Integrated cargo bed lighting
Front 40/20/40 split-bench seat with seating for up to 6 passengers
Air conditioning and manual climate controls
Infotainment system with color touchscreen display
Forward Collision Alert
Automatic Emergency Braking
Lane Departure Warning
Following Distance Indicator
Front Pedestrian Braking
Rear Vision Camera with hitch guidance
Trailer Brake Controller
Multiple USB ports for device connectivity
AM/FM stereo with 6-speaker sound system
The 2025 GMC Sierra 3500HD Pro Crew Cab Long Box with the 1SA trim and Pro Safety Plus Package is a work-ready truck with a focus on safety, performance, and utility. Whether for commercial use or personal hauling, it offers confidence, capability, and protection on every drive.