<ul data-eligibleForWebStory="false">Tesla faces stiff competition from local rivals in China, with new 'Model Y killers.'Xiaomi's YU7 amassed 240,000 pre-orders in 24 hours, proving a formidable challenger.Tesla's market share in China declines as rivals like Xiaomi, Xpeng, and Nio gain traction.Local electric SUVs like YU7 present strong tech features, posing a significant threat.