Picture a Tesla dealership in California, historically the brand’s most loyal and lucrative turf, moving fewer cars than it did a year ago. Then picture that happening across the entire state, all at once, in the middle of what was supposed to be a rebound year.

That’s the reality buried inside a report released Tuesday, April 21, by the California New Car Dealers Association (CNCDA). Tesla (TSLA) vehicle registrations in California dropped 24.3% in the first quarter of 2026, the steepest decline of any brand in the state. It’s a number that landed just before Tesla reports its first-quarter earnings on April 22.

Indicators suggest the new vehicle market is set to weaken, as persistently high financing costs, near-record vehicle prices, tariffs, EV tax credit phase-outs, and geopolitical risks continue to erode consumer confidence.

The broader California EV market tells an equally uncomfortable story. And for a company that has staked its future on energy, Robotaxis, and humanoid robots, the pressure to hold its ground in the present is growing harder to ignore.

Tesla’s California collapse: What the Q1 2026 CNCDA data actually show

The numbers from the CNCDA report are stark. Overall zero-emission vehicle (ZEV) sales in California, the largest EV market in the United States, slumped 40% in the first quarter of 2026, according to the CNCDA. Total ZEV registrations fell to 57,111, down from 95,520 in the same period a year earlier.

Tesla’s decline didn’t happen in a vacuum. Several forces converged at once.

  • The $7,500 federal tax credit for new EVs under the Inflation Reduction Act effectively expired for vehicles acquired after Sept. 30, 2025, adding thousands of dollars back onto the sticker price overnight, according to the IRS.
  • The $4,000 used EV credit expired alongside it, removing a key entry point for budget-conscious buyers.
  • California has pulled back on state-level incentives, Investing.com noted, with new 2026 proposals requiring automakers to match state funds, a structure that further complicates the purchase equation.
  • Near-record vehicle prices and elevated financing costs have compounded the affordability squeeze across the board, Reuters reported.

Despite the decline, Tesla’s Model Y and Model 3 remained among the best-selling zero-emission vehicles in California during the quarter, according to CNCDA data. It’s a perfect reminder that even a wounded market leader is still a market leader.

Tesla registrations in California fell below 180,000 vehicles in 2025, down from nearly 203,000 in 2024.

How Tesla lost its grip on California long before Q1 2026

Brandon Bell/Getty Images The first-quarter drop didn’t emerge out of nowhere. The erosion has been building for over a year. According to Experian data published by the CNCDA, Tesla accounted for 9.9% of all vehicles registered in California in 2025, down from 11.6% in 2024.

That decline was more than three times the drop recorded by Stellantis’s (STLA) Dodge brand, enough to push Tesla from second place to third among all auto brands in the state, trailing Toyota (TM).

Related: JPMorgan has a stark warning on Tesla stock

According to AA stocks.com, Tesla registrations in California fell below 180,000 vehicles in 2025, down from nearly 203,000 in 2024. That contraction was large enough to drag the state’s entire ZEV market into retreat, with total zero-emission registrations declining by roughly 7,300 vehicles to just over 378,000, CNCDA and Experian data reveal.

An aging vehicle lineup has compounded the problem. While competitors have refreshed and expanded their EV offerings, Tesla’s core consumer products, the Model 3 and Model Y, have carried the weight of the portfolio for years.

In a market that has historically rewarded novelty, familiarity has a shelf life.

Tesla’s competition is no longer theoretical as GM, BYD close in

For years, “Tesla competition” was more of a talking point than a reality. That’s no longer the case.

General Motors (GM) solidified its position as the second-largest EV seller in the United States by late 2025. The Chevrolet Equinox EV became the third best-selling EV in the country, trailing only Tesla’s Model Y and Model 3, while Cadillac’s Lyriq emerged as the top non-Tesla luxury EV, according to industry data.

Globally, BYD edged past Tesla in total annual deliveries by the end of 2025, claiming the title of world’s largest EV seller by volume, BBC reported. BYD’s focus on affordability is putting sustained pressure on Western rivals across Asia, Europe, and Latin America.

  • Hyundai admits deadly defect caused more injuries than previously known
  • Consumer Reports names 5 popular EVs with the best real-world range
  • Uber targets 50,000 robotaxis in major Rivian, Nvidia deals

More Automotive: Ford (F), meanwhile, is pivoting toward hybrids and extended-range electric vehicles to meet consumer demand for range and value, signaling that even legacy automakers are rethinking the pure-EV playbook that Tesla pioneered.

Tesla still held a 54.2% U.S. EV market share in Q1 2026, according to industry data cited by Inside EVs, outselling all other brands combined. But the trajectory is unmistakable.

What Tesla’s Q1 2026 earnings report needs to answer

Tesla reports first-quarter 2026 results on April 22, and the California data sets a challenging backdrop.

Analysts project approximately $22 billion in revenue for the quarter. Q1 deliveries came in at 358,023 vehicles, up year over year, but below consensus estimates, according to analyst forecasts.

Automotive gross margins remain heavily scrutinized, with concerns that continued price pressure and incentive spending are compressing profitability at the core business level.

  • Hyundai admits deadly defect caused more injuries than previously known
  • Consumer Reports names 5 popular EVs with the best real-world range
  • Uber targets 50,000 robotaxis in major Rivian, Nvidia deals

More Automotive: The earnings call matters beyond the numbers. Investors will be listening for updates on three fronts that could reframe the Tesla story: progress on the Robotaxi rollout, advancement of its humanoid robot program, and any signal on capital expenditure plans for the year ahead.

Lower car sales and falling revenue from regulatory credits mean Tesla must increasingly lean on its energy division to generate the high-margin revenue needed to fund those bets. In the first quarter of 2025, Tesla’s energy generation and storage segment posted record revenue, a data point the company will need to build on as automotive margins face continued pressure.

California was supposed to be the floor. If Q1 2026 is any indication, even the floor needs reinforcement.

Related: HSBC flags alarming risk for Tesla stock investors