Since Chevrolet debuted the Silverado EV, we’ve been waiting for the Sierra EV to come to the table, and it seems the wait is about to be over. GMC recently posted a video on their YouTube channel teasing the first ever Sierra EV Denali, or as they say in the video. “The Denali of EVs.” GMC Sierra EV Denali: DetailsThe teaser video shows off the front end of the upcoming Electric truck with distinctive upside-down L-shaped lights and fog lights located just below it. The outline of the grille for the truck also seems to feature lighting with the important GMC logo in the center that also featu…