2019 GMC Sierra 2500HD 4X4 Crew Cab Heavy-Duty Power. Professional Grade. Built to handle the toughest jobs and the longest hauls, the 2019 GMC Sierra 2500HD Crew Cab 4x4 is your go-to workhorse. With its powerful V8 engine, serious towing capability, and roomy interior, this heavy-duty pickup delivers strength, comfort, and reliability mile after mile. Performance & Capability Vortec 6.0L Flex Fuel V8 360 horsepower 380 lb-ft of torque built to tow, haul, and power through 6-Speed Heavy-Duty Automatic Transmission 4X4 Drivetrain Ready for any terrain, weather, or worksite Towing Capacity: Up to 14,500 lbs (when properly equipped) Payload: Over 3,000 lbs load it up! Safety & Stability StabiliTrak with Trailer Sway Control Hill Start Assist for added control on inclines Rear Vision Camera Airbag System with side-impact and head curtain airbags Daytime Running Lights + Tow/Haul Mode for confident towing visibility Interior & Convenience Crew Cab with seating for up to 6 adults Durable cloth upholstery and wide-opening rear doors Infotainment System with Bluetooth, USB Ports & Touchscreen Dual-Zone Climate Control (available) Power Windows, Locks, and Keyless Entry Utility & Build 8-ft bed or 6.5-ft bed options (depending on configuration) Tow hooks, trailer brake controller, and integrated hitch receiver Heavy-duty suspension and high-strength steel frame