GMC HUMMER EV Edition 1 Raises $2.5 Million for Tunnel to Towers Foundation at Barrett-Jackson Auction

GMC HUMMER EV Edition 1 Raises $2.5 Million for Tunnel to Towers Foundation at Barrett-Jackson Auction

GMC HUMMER EV Edition 1 Raises $2.5 Million for Tunnel to Towers Foundation at Barrett-Jackson Auction

by General Motors | March 30, 2021