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GMC Sierra HD

2020 GMC Sierra HD

The bigger frame, powered by a 6.6L Duramax turbo-diesel with 910 lb.-ft. of torque that is mated to a 10-speed Allison transmission delivers a greater towing capacity than its predecessor models, well in excess of 30,000 pounds.

GMC Debuts Sierra All Mountain Concept

The 2018 GMC Sierra 2500HD All Mountain concept is a one-of-a-kind snow-climbing machine and adds enhanced capability and features through concept Mattracks technology and GMC Accessories.

Three-Quarter-Ton vs. 1-Ton Pickups

Commercial and government fleet purchasers prioritize versatility and seek to enhance productivity when considering which heavy-duty pickup to add to their fleet, truck manufacturers told AutomotiveFleet.com.

Bolt Lock Series for 2015 GM trucks

STRATTEC Security Corporation's BOLT Locks are now available for the 2015 GM Silverado HD, Sierra HD as well as the 2015 Colorado and Canyon.