For the GMC Sierra, there is a new badge to be seen. Until 2018, the GMC Sierra, like the Chevrolet Silverado, would sport the Z71 badging to indicate the off-road package. When the redesign came in 2019, the Sierra's new looks called for some new verbiage and badging. Unlike the Z71 badge seen on the front grille and beside the sideview mirrors in a Silverado, the X31 package is similar to the F-150's FX4 badge in that it sits at the back quarter of the pickup bed. Instead of lamenting over packages lost, let’s take a look at what we gained.