Filed under: Green,GMC,Truck,Electric Continue reading GMC confirms Hummer EV will be joined by an electric Sierra, or Sierra-like, pickup GMC confirms Hummer EV will be joined by an electric Sierra, or Sierra-like, pickup originally appeared on Autoblog on Tue, 22 Dec 2020 10:36:00 EST. Please see our terms for use of feeds. Permalink | Email this | Comments Continue reading...