BYD had its strongest month of 2026 in September, selling 463,561 new energy vehicles — 17% more than a year earlier and 5.3% more than August. The number that matters most is not the total, though. It is where the cars went.
The month in figures
| Measure | September 2026 | Change |
|---|---|---|
| New energy vehicles, total | 463,561 | +17% YoY, +5.3% MoM |
| Battery-electric | 273,143 | +33.2% YoY, +6.6% MoM |
| Plug-in hybrid | 183,570 | -2.4% YoY |
| Exports | 180,700 | +153.6% YoY |
The passenger split accounts for 456,713 of the total; the remainder is commercial vehicles. Note the direction of travel inside the mix: battery-electric volume grew by a third while plug-in hybrids went backwards. BYD built its scale on PHEVs, and that engine has stalled — it is pure electric that is carrying the company now, a reversal from a year ago.
Exports are the story
180,700 cars left China in a single month, 153.6% more than September 2025, and that is 39% of everything BYD sold. For a company that was effectively a domestic manufacturer three years ago, four in ten cars going abroad is a structural change, not a good month.
Year to date the picture is split in a way worth stating plainly:
| Jan-Sep 2026 | Volume | Change |
|---|---|---|
| Total NEVs | 3,131,576 | -3.9% |
| Battery-electric | 1,629,957 | — |
| Plug-in hybrid | 1,448,587 | — |
| Overseas sales | 1,342,960 | +92.7% |
BYD is down 3.9% over nine months while nearly doubling its overseas volume. Its home market is shrinking for it and the rest of the world is absorbing the difference. Overseas sales are now 42.9% of the year's total.
What this means for Tesla
The direct comparison is the one BYD's critics used to dismiss, and it no longer flatters Tesla. BYD sold 273,143 battery-electric cars in September and 256,230 in August. Those two months together come to 529,373 — more than the 461,974 that analysts expect Tesla to deliver across the whole of the third quarter, in a consensus Tesla itself published. Tesla reports its actual Q3 figures imminently, but the gap is wide enough that the ordering is not in doubt.
What it means for Europe
For European owners and buyers the export line is the one to watch rather than the Chinese total. Chinese brands took a record 11.7% of the European market in August, and BYD is the largest part of that push. More exports at this rate means more BYD metal in European showrooms through the fourth quarter, at prices that set the floor Tesla has to price against — a dynamic already visible in Spain, where BYD leads Tesla year to date.
One caveat on reading export figures: as UBS has pointed out, cars shipped are not cars registered, and the gap between the two can be months of inventory sitting at port. September's 180,700 is a measure of what BYD built and dispatched, not of what European buyers have signed for.