Fool.com contributor and finance professor Parkev Tatevosian compares Rivian (RIVN -1.48%), Nio (NIO 0.78%), Li Auto (LI -5.59%), and Xpeng (XPEV -1.09%) 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.