2024 GMC Sierra HD ups luxury, off-road capability

Hot on the heels of the reveal of the updated 2024 Chevrolet Silverado HD last week comes the reveal of the heavy-duty pickup truck’s plusher GMC Sierra HD sibling. The updated Sierra HD also arrives for the 2024 model year, and brings with it more technology, performance, and luxury, as well as improved off-road capability. There’s revised…