2025
GMC SIERRA 3500HD SLE 4X4 REGULAR CAB 8 FT. BOX SRW

The 2025 GMC Sierra 3500HD SLE in regular cab long box configuration is a powerful, work-ready heavy-duty pickup, built to handle demanding tasks with ease. Powered by the proven 6.6L Duramax Turbo-Diesel V8 and enhanced by the SLE Convenience Package, it delivers a great balance of performance, comfort, and utility, ideal for both jobsite duties and heavy hauling.

Performance & Capability:

• 6.6L Duramax Turbo-Diesel V8 engine delivering 445 hp and 910 lb-ft of torque

• Allison 10-speed automatic transmission for smooth, high-capacity towing performance

• 4WD system with off-road readiness for enhanced traction and control

• Heavy-duty long box for maximum cargo space

• Impressive towing capacity – ideal for trailers, equipment, and fifth wheels

• Integrated trailer brake controller and tow/haul mode

SLE Convenience Package Features:

• Remote start system for added convenience in all weather conditions

• Power-adjustable front bench seat with driver lumbar support

• Dual-zone automatic climate control for personalized cabin comfort

• Keyless open and start with push-button ignition

Interior & Comfort:

• Durable cloth seating with room for 3 passengers

• Large center storage console with USB ports and power outlets

• 4.2" driver information screen with vehicle data and alerts

• Ample legroom and storage behind the seats

Technology & Connectivity:

• GMC Infotainment System with 13.4-inch touchscreen

• Wireless Apple CarPlay and Android Auto compatibility

• Available SiriusXM and OnStar capabilities

• Bluetooth hands-free calling and audio streaming

Safety & Driver Assistance:

• Forward Collision Alert with Automatic Emergency Braking

• Lane Departure Warning

• HD Rear Vision Camera with dynamic guidelines

The 2025 GMC Sierra 3500HD SLE Regular Cab Long Box with the SLE Convenience Package is a reliable and capable heavy-duty truck that delivers the power of the Duramax diesel, practical technology, and key comfort upgrades. It’s an ideal solution for hardworking professionals who need a durable and dependable pickup with smart features for daily work demands.