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For years, Tesla (TSLA) led the global EV market in both scale and innovation. But in fast-moving industries, dominance is never guaranteed.
That shift became clear in 2026, when China’s BYD (BYDDY) officially surpassed Tesla as the world’s largest seller of battery-powered electric vehicles. Once brushed off by Elon Musk as a non-threat, BYD has steadily built manufacturing scale, expanded its global footprint, and posted consistent sales growth, even as Tesla’s vehicle deliveries declined year-over-year (YoY).