Summary: US petrol prices passed $4/gallon for the first time in four years (+30% YoY), driven by the Iran conflict and Strait of Hormuz disruption. Tesla delivered 358,023 vehicles in Q1 2026, up 6% against a weak comparison quarter but missing estimates by 7,600 units. Consumer EV interest is rising (Edmunds: 23.8% consideration) but overall US EV sales fell 28% YoY after the $7,500 federal tax credit expired. Tesla’s US EV market share rose to 54-58%, mainly because competitors’ sales fell faster.

The US national average for a gallon of petrol passed $4 in April for the first time in four years, up roughly 30% year over year, and the narrative that followed was predictable: high fuel prices are good for electric vehicle sales, and good for EV sales means good for Tesla. Bloomberg‘s post-earnings coverage on Wednesday framed it exactly that way. The framing is not wrong. It is incomplete enough to be misleading. Tesla’s Q1 2026 deliveries beat a weak comparison quarter by 6%, missed Wall Street estimates by 7,600 vehicles, and arrived alongside data showing the overall US EV market contracted 28% year over year. Gas prices are nudging consumers toward electric cars. The nudge is not enough to offset a $7,500 federal tax credit that no longer exists.

Tesla reported first-quarter earnings on Tuesday, the day before the Bloomberg segment aired. Revenue was $22.39 billion, up 16% year over year but $780 million below the consensus estimate. Net income was $477 million, up 17%. Earnings per share of $0.41 beat the $0.38 estimate. The company delivered 358,023 vehicles against production of 408,386, a gap of roughly 50,000 units that suggests either a demand shortfall or a deliberate inventory build ahead of the Model Y Juniper refresh. Tesla reclaimed the global quarterly EV sales crown from BYD, but the 50,000-vehicle production surplus and the delivery miss complicate the victory.

The gas price tailwind

The numbers do show rising consumer interest. Edmunds data for the week of 9 to 15 March recorded electrified vehicle consideration at 23.8% of all vehicle research, the highest weekly level of 2026, up from 22.4% the prior week. Cox Automotive reported that new EV sales in March were 20% higher than February, with interest up 16% through the quarter compared with the fourth quarter of 2025. Colin McKerracher of BloombergNEF said “we see from basically every indicator we can find that people are more interested than ever in EVs.” Used EV sales rose 12% to 93,500 units in the quarter, with prices now within $1,300 of equivalent petrol cars.

The interest is real. The conversion is not proportional. Total new EV sales in the US fell to between 212,600 and 216,400 units in Q1 2026, down 28% from 296,304 in Q1 2025. January alone saw a 41% year-over-year nosedive. CNN Business was blunt: “$4 gas won’t spark an EV buying spree.” NBC News reported that while rising fuel costs sparked fresh interest, “affordability is a top barrier.” The explanation for the gap between interest and sales is a single policy change: the $7,500 federal EV tax credit expired on 30 September 2025 under the administration’s “Big Beautiful Bill.” The $4,000 used EV credit expired with it. Ford and GM have introduced their own $7,500 incentive programmes to replace the federal credit. Tesla has not.

What is actually driving petrol prices

The petrol price surge is not a gradual market shift. It is the product of a specific geopolitical crisis. Military action against Iran beginning on 28 February and the de facto closure of the Strait of Hormuz sent Brent crude from $61 per barrel at the start of the year to $118 by the end of March. Middle Eastern and Asian refineries cut runs by approximately 6 million barrels per day. Distillate crack spreads hit record highs of $1.42 per gallon against a five-year average of $0.68. By mid-April, de-escalation signals had begun easing prices, with WTI at $87.42 and Brent at $95.48, but the national average at the pump remained above $4.

Trump administration tariffs on Canadian petroleum could add 20 to 50 cents per gallon in some regions, though the broader tariff impact on fuel prices is mixed. The IEA’s April oil market report projects sustained tightness through the summer. If prices remain elevated, the EV interest data suggests a continued tailwind. If the Iran situation de-escalates further and crude falls back toward $70, the tailwind dissipates and the underlying demand picture, shaped by the absent tax credit, reasserts itself.

Tesla’s market share is growing because the market is shrinking

Tesla held between 54% and 58% of the US EV market in Q1 2026, depending on methodology, up from 46% for the full year 2025. That increase is not because Tesla sold dramatically more vehicles. It is because everyone else sold dramatically fewer. Ford’s EV sales collapsed 70% year over year. Chevrolet, the firm number two, fell 55% in January. Hyundai slashed the Ioniq 5’s price by roughly $10,000 to move inventory. Rivian was the rare bright spot, with deliveries up 20% to 10,365 units. Growing American interest in Chinese EVs persists despite 100% tariffs, with 69% of Gen Z car shoppers saying they would consider a Chinese brand, but regulatory barriers keep those vehicles out of the US market for now.

Tesla’s California performance tells the story that the national share data obscures. California registrations fell 24% in the quarter, from 42,211 to 31,958, with Tesla’s share of all new vehicle sales in the state dropping from 9.2% to 7.7%. Hybrids are displacing EVs in the state that was supposed to be the EV stronghold. Tesla’s sales slump in Europe is steeper still, with the brand haemorrhaging market share to Volkswagen, BMW, and Polestar. The gas price tailwind is a US phenomenon. Tesla’s challenges are global.

The pricing reversal

Tesla’s average selling price rose to $45,343 in Q1 2026 from $41,484 a year earlier, a reversal of the aggressive price-cutting strategy that defined 2023 and 2024. Model 3 lease payments increased 67%, from $299 to $499 per month. Model Y leases rose 39%, from $449 to $549. Robotaxi prices in San Francisco are up 41% since launch. The company is prioritising margins over volume, a strategic shift that makes high gas prices more important as a demand signal: if Tesla is no longer competing on price, it needs an external force to push buyers toward EVs despite the premium.

Tesla’s $25 billion capital expenditure plan for 2026, $5 billion above prior guidance, encompasses six factory ramps, Optimus robot production, AI compute infrastructure, and a chip fabrication facility in Austin. The company expects to be free-cash-flow negative for the rest of the year. That spending requires sustained revenue, which requires sustained demand, which is currently being supported by a geopolitical crisis that may or may not persist. Building a $25 billion spending programme on the back of a conflict-driven fuel price spike is a bet on volatility remaining elevated. It is not a bet most companies would make voluntarily.

The real question

Tesla’s stock is down roughly 14% year to date, underperforming every megacap peer. Its market capitalisation of approximately $1.45 trillion values the company at five times Toyota’s despite selling a fraction of the vehicles. Analysts are split: 29% rate it a strong buy, 32% a hold, 18% some variant of sell. The post-earnings reaction was a brief rally on the earnings beat, followed by a retreat when the $25 billion capex figure sank in.

The approval of Tesla’s Full Self-Driving software in Europe adds a product differentiation argument that no other EV maker can currently match. But in the US market that the Bloomberg segment addressed, the story is simpler and less flattering than “high gas prices help Tesla.” High gas prices are creating interest in electric vehicles. That interest is not converting to sales at the rate it did when buyers had a $7,500 incentive. Tesla is winning the US EV market by losing less than everyone else, in a market that has contracted by more than a quarter. If that is what victory looks like, it says more about the state of the EV transition than it does about Tesla.