100 years ago, a husband and wife team wrapped up the world’s first double transcontinental journey, and 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.