Crafted with amenities reserved for the finest vehicles, Denali sets a higher standard. Since 1999, Denali has remained the premium package for GMC vehicles. Step inside the cabin of a Sierra, Acadia, Yukon, or Terrain Denali, and you’ll experience first-class appointments, control the latest technology, and have peace of mind knowing available advanced safety features surround you. Denali is the pinnacle of what it means to be Professional Grade.
100 years ago, when Mr. and Mrs. Warwick wrapped up the world’s first double transcontinental journey, all their 1916 GMC Model 30 needed was a new spark plug.
Today, GMC Certified Service is trusted to keep modern GMC vehicles running powerfully and reliably. But to truly appreciate how far we’ve come, we took a step back. We tracked down an original 1916 GMC truck to see where Professional Grade started. From wooden wheels to kerosene headlamps, they certainly built them a little differently back then. But one thing is clear – GMC always stands the test of time.