乘联分会数据显示，预估5月比亚迪销量达376930辆，特斯拉中国销辆达61662辆。

Group 1 - The core point of the article indicates that in May, BYD's estimated sales reached 376,930 units, while Tesla's sales in China amounted to 61,662 units [1] Group 2 - BYD's sales performance reflects a strong position in the electric vehicle market, significantly outpacing Tesla in terms of unit sales in China [1] - Tesla's sales figures suggest a competitive landscape, highlighting the challenges it faces in maintaining market share against local competitors like BYD [1]