In this articleGM2024 Sierra EV Denali Edition 1Source: General MotorsMILFORD, Mich. — General Motors' premium GMC brand wants to become the leader in all-electric truck sales for U.S. consumers as it launches its new electric Sierra pickup.The Sierra EV joins electric versions of the Hummer, including an SUV and pickup, in GMC's electric "truck" lineup. The automaker is expecting the Sierra will become GMC's top seller for its EV lineup as lower-priced variants become available next year. A roughly $100,00 ...