Edited on Jun 23, 2026.
Tesla's Model S has outsold Porsche in California across several quarters of 2013 — a sales fact that would have sounded like science fiction three years ago and now reads as the most concrete signal yet that the electric vehicle category is real. The Model S has been the best-selling premium sedan in California for portions of the year, ahead of the Mercedes-Benz S-Class, the BMW 7-Series, the Audi A8, the Lexus LS, and the Porsche Panamera. The fact has been picked up by every major automotive trade publication and most of the mainstream business press.
This is the working read on what the California sales numbers mean — what's driving the trend, what's not, and what the broader auto industry should be taking away from the data.
What the numbers actually show
Registration data from the California New Car Dealers Association and the Polk Automotive database has shown the Tesla Model S leading several premium-sedan segments in California through 2013. In the second quarter, Tesla reported delivering 4,900 Model S units worldwide, with California consistently representing the company's largest single state market.
The Model S has been ahead of the Porsche Panamera in California for multiple quarters of 2013. It has been ahead of the Audi A8. It has traded the top spot with the Mercedes-Benz S-Class. The exact ranking shifts quarter to quarter, but the directional fact is clear — the Model S is competing at the very top of the premium-sedan segment in California, and frequently winning.
The national picture is different. Outside California, the Model S sells in much smaller volumes, and the premium-sedan rankings look closer to historical norms. California is currently doing more of the work than any other market.
What's driving the trend
Five structural factors are stacked behind the California Model S numbers.
Product strength. The Model S is a real car. Range — 208 to 265 miles depending on battery configuration. Performance — sub-five-second 0–60 in the performance trim. Cabin space — full-size sedan packaging. Software — over-the-air updates and a 17-inch touchscreen that doesn't exist on any incumbent. The product is competing on its own merits before any of the policy or infrastructure layers get factored in.
California incentive structure. California offers the Clean Vehicle Rebate, the federal $7,500 tax credit, HOV-lane access for single-occupant EVs, and free public charging in many municipalities. The stack of incentives shifts the effective price meaningfully.
The Supercharger network. Tesla's Supercharger deployment along the California I-5 corridor and around the Bay Area and Los Angeles has reduced the range-anxiety objection. Tesla owners can drive between Northern and Southern California on the network at no additional cost.
The early-adopter demographic. Silicon Valley, the broader tech industry, and the California premium-vehicle buyer base skew earlier on technology adoption than the national average. The product matches the demographic.
The word-of-mouth flywheel. Tesla owners post about their cars. They give rides. They show off the touchscreen. The word-of-mouth amplification in concentrated California markets is real and measurable in dealer foot traffic at Tesla stores.
What it does not yet mean
The California numbers are real but the broader claims being made about them need calibration.
It does not mean the EV transition is complete. California is the leading EV market in the U.S. by a wide margin. The Model S sales pattern in California is not what's happening in Texas, Florida, or the Midwest. National penetration of battery-electric vehicles remains in the low single digits as a share of total new vehicle sales.
It does not mean Tesla has won the premium segment. A quarter of competitive sales in one state is a meaningful achievement, not a permanent positioning. The German luxury automakers are now developing serious EV programs of their own. The BMW i3 and i8 are in market. The Mercedes-Benz S-Class plug-in hybrid is coming. Porsche has the Mission E concept in development. The competitive response is just starting.
It does not mean the production ramp is solved. Tesla is still producing the Model S at thousands of units per quarter, not tens of thousands. The Model X is delayed. The Gen III mass-market sedan is years out. The scaling challenges remain real.
It does not mean the economics are settled. Tesla is still in build-out mode. Profitability is uneven. The company is dependent on continued capital access. The California sales win is real but the financial picture continues to require careful management.
The communications and PR angle
From a brand communications perspective, the California sales story is one of the highest-leverage earned-media wins of 2013. It produced sustained coverage in Automotive News, The Wall Street Journal, The New York Times, Bloomberg, Forbes, and most major trade and business outlets. The headline writes itself: a U.S. startup automaker is beating Porsche, Mercedes, and BMW on their own segment turf in the largest car market in the country.
Three factors made the story work as PR.
It was numeric. Sales rank, market share, unit volumes. Not opinions. Hard data the trade press could verify and the financial press could quote.
It was directionally clear. The trend was up, not flat. Each quarter through 2013 has added to the story rather than complicating it.
It was distributed across multiple sources. Tesla itself reported the numbers. Polk reported them. The California New Car Dealers Association reported them. Independent verification was straightforward. The story was credible because it was confirmed by parties other than Tesla.
The result is one of the strongest brand-building cycles a startup automaker has produced in modern automotive history.
What the rest of the industry should take from this
Three operating lessons for the legacy automakers watching the California sales numbers.
One. Electric is a real segment now. The Model S sales pattern in California is the proof point that the premium EV segment is real and growing. The legacy automakers' EV programs need to be funded and accelerated. The competitive window is starting to close.
Two. Charging infrastructure is a structural moat. Tesla's Supercharger investment is paying off in measurable sales. The legacy automakers that do not invest in charging infrastructure either directly or through partnerships will lose ground.
Three. Product matters more than incentive engineering. California's incentive structure is meaningful but it does not explain the entire sales pattern. The Model S is winning partly because it is a desirable car. Legacy EV programs that produce compromised products and lean on subsidies will not match Tesla's trajectory.
The bottom line
Tesla's California sales numbers in 2013 are the most concrete real-world signal that the EV category has moved from concept to commerce. A startup automaker is outselling the Germans on their own premium turf in the largest U.S. car market. The trend is not yet national. The economics are not yet settled. But the directional fact is clear, and the legacy automakers' response cycle is about to accelerate. The Model S has done what a decade of EV advocacy could not — produced a hard sales number that the trade press, the consumer press, and the broader industry have to absorb.
