Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

A 2022 GMC Sierra owner says his grille piece detached after recall repair. GM’s official recall fix used extra fasteners and ...

It released the Sierra GT, arguably the most forgotten-about sports truck of the '90s and beyond. Featured both stylistic and mechanical upgrades Axed following the 1995 model year With the ...

Is it worth paying so much more for the top, rugged trim in the GMC lineup? Here's what you get for your money.

We added as many options as possible to the 2026 GMC Sierra 2500 HD full-size pickup truck. Here's how much it costs when fully loaded.