The 2021 Chevrolet Silverado 3500HD is a heavy-duty asset. And, after last year’s redesign, this workhorse is roomier and more comfortable than ever. Tech features are designed to help you get through a tough workday, but you can also a little add high-end luxury to your model. Still have questions? Our buying guide is here with everything you need to know about Chevy’s heavy-duty truck.