Fool.com contributor and finance professor Parkev Tatevosian compares Rivian (RIVN -1.16%), Nio (NIO -0.15%), Li Auto (LI -1.55%), and Xpeng (XPEV -1.48%) 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.