Tesla currently dominates US electric vehicle sales with a 59% market share in the fourth quarter. That's a commanding lead, but GM board member Jon McNeill sees pressure building. He told Bloomberg Markets that new entries from legacy automakers are poised to chip away at Tesla's lead.

McNeill, who leads DVX Ventures, specifically pointed to GM, Hyundai, and Toyota as companies that will capture more of the growing EV pie. This shift matters because it signals the end of Tesla's early-mover advantage. Legacy automakers are finally scaling production and leveraging their massive manufacturing footprints.

For years, Tesla's market share seemed unassailable. Now, competition is arriving just as EV sales growth is cooling from pandemic-era highs. McNeill's comments suggest investors should watch sales data from these established players, not just Tesla's deliveries, to gauge true market health.

What happens next? Expect more aggressive pricing and model launches from these challengers. McNeill's perspective is clear: the US electric vehicle market is entering a new phase where competition, not just innovation, drives winners.