General Motors unveiled the refreshed 2024 GMC Sierra HD in October of last year, revealing a revised exterior, an overhauled interior, an updated trim level lineup, and powertrain changes as well.

GMC is rolling out a series of upgrades for the 2021 Sierra, starting with new trailer technologies such as the Jack-Knife Alert, Trailer Length Indicator and the enhanced Rear Trailer View. These ...

The 2021 GMC Sierra has received a range of new trailering technologies and features that aim to take some of the stress out of towing. These new trailering features will be available on both the 2021 ...