Deliveries are a fact; the mix underneath them is the story. Tesla's Q3 2025 Form 10-Q attributes its delivery change to an increase of approximately 46,000 combined Model 3 and Model Y cash deliveries, partially offset by a decrease of approximately 8,000 deliveries of other models. A single net delivery figure hides that composition; the filing's MD&A spells it out.
Why the distinction matters to a markets desk: Model 3 and Model Y are the volume, lower-price end of the range, while the other models carry different price points and margins. A quarter where volume grows because the cheapest, highest-volume vehicles grew — and the differentiated models shrank — is a different revenue and margin event than the same net unit number with the opposite mix. The headline delivery count would read the same; the income statement would not.
The guide moved — quietly, in the mix. For analysts modeling Tesla's automotive revenue, the 46,000-up / 8,000-down split is the kind of detail that reconciles a delivery beat that does not flow through to the revenue or gross-profit line as expected. Average selling price moves with mix, and mix is exactly what this disclosure quantifies.
The discipline is to never use a press-release delivery number uncited and to always read the model-level attribution where the filing provides it. Tesla does not break out per-model deliveries in the 10-Q income statement, but its MD&A discussion of what drove the change is the next-best primary source, and it is specific enough to build a mix assumption around.
The delivery-mix attribution sits in the MD&A of Tesla's Q3 2025 10-Q, surfaced via the EdgarBeast filing evidence index. For a guidance ledger, the lesson is to model the mix, not just the count.