Tesla’s Q3 2026 deliveries of 486,532 vehicles, exceeding the ~462k analyst consensus, and a multi-year high passenger-vehicle order backlog have anchored trader expectations for Q4 volumes near 475k–525k. Seasonal strength, continued European demand recovery, and elevated Full Self-Driving attach rates above 75% in North America support the upper end of that range, while battery-pack constraints and limited Cybertruck contribution—roughly 7–8k units in Q3—cap upside. Analysts’ full-year 2026 median of ~1.77 million deliveries implies a Q4 outcome near 445k, yet recent production momentum and Musk’s statements that demand now exceeds supply have shifted implied probabilities toward the 480k–510k zone. Key swing factors include any late-quarter incentives, Model Y ramp progress, and whether inventory drawdowns accelerate.