At first glance, the 2024 GMC Sierra Denali 2500HD Denali Ultimate seems like theUndercover Bossversion of the heavy-duty truck world, as if it put on work boots but forgot to take off the Rolex.

We often see trucks at events like the SEMA show that are the epitome of “over the top” and utterly crazy. It makes no difference whether it’s the drivetrain, chassis, or paint and graphics, when we ...