Fool.com contributor and finance professor Parkev Tatevosian compares Rivian (RIVN -0.48%), Nio (NIO -2.07%), Li Auto (LI 0.39%), and Xpeng (XPEV -4.13%) to determine which is the best EV stock to buy.

*Stock prices used were the afternoon prices of Aug. 12, 2023. The video was published on Aug. 14, 2023.