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 ...
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.
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 ...
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AT4 vs AT4X: Off-Roading GMC Trucks Compared
Is it worth paying so much more for the top, rugged trim in the GMC lineup? Here's what you get for your money.
General Motors worked with Jeff Fleming to make things right after he bought a problem-plagued GMC Sierra Elevation over the summer ...
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