The most powerful GMC Sierra 1500 from the factory today packs a 6.2-liter V8 that makes 420 hp. That isn't what we would call a slow pickup truck. But the folks at Specialty Vehicle Engineer felt ...

Six hundred horsepower and 30 mpg? Yes please.

Although the Cadillac brand offers a supercharged V8 in the Silverado 1500-based Escalade, its GMC-branded sibling does not. Even so, the folks at Hennessey Performance Engineering are much obliged to ...

The GMC Jimmy nameplate carries a legacy that stretches back to 1970, and for enthusiasts who have longed for a modern interpretation of the iconic off-roader, an Arkansas-based builder has delivered ...

UPDATE 3/20/2026: The ’27 Yukon will not offer the LT4 supercharged V-8, per General Motors. The company responded to us with the following statement: "General Motors regularly provides Vehicle ...

McKinney, Texas-based Complete Customs worked hard on this build, and Porterbuilt Fabrication (PB Fab) has directed our attention to this 1968 GMC beauty on social media. The C/K series of trucks ...