Fool.com contributor and finance professor Parkev Tatevosian compares Rivian (RIVN -2.25%), Nio (NIO -4.88%), Li Auto (LI -2.23%), and Xpeng (XPEV -5.27%) 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.