The second generation GMC Sierra was introduced for the 1999 model year and continued through 2007, which included some overlap with the third generation, which ran from 2007 through 2014.

The 2024 GMC Sierra 1500 Denali Ultimate is an outstanding luxury pickup truck with a sonorous and responsive 6.2-liter V-8 engine, but it's let down by some parts-bin interior trim and a finicky ...

By 2002, the Sierra 1500 Denali was born, and the truck hasn’t looked back since. Denali’s are now everywhere, adorning the rear tailgates and hatches of nearly every GMC vehicle line.