Tesla's FSD Count: The Fine Print Behind the 1.74 Million Milestone

Tesla has announced that its Full Self-Driving feature now has 1.74 million active subscriptions, a figure that represents a 67% year-over-year increase.

This metric has been in the spotlight since Tesla discontinued the one-time purchase option on February 14, 2026. At that point, the company shifted new customers to a $99 monthly subscription model. However, the definition of an active subscription remains broad. It includes both monthly payers and those who purchased the feature upfront, often at prices reaching $15,000, years ago. Tesla stopped selling the one-time package in early 2026, but the prior buyers remain in the count as long as their vehicles are active. This approach was first noted in April when the company reported 1.28 million users. Six months later, the total has grown, yet Tesla still has not disclosed how many of these users are currently paying monthly fees.

The specific counting method is not arbitrary. A footnote in the Q3 2026 shareholder letter states that the metric follows the terms of the 2025 CEO Performance Award. This is significant because reaching 10 million active FSD subscriptions is a key milestone for Elon Musk to earn his compensation package. The letter also clarifies that free trials are excluded from this count. Furthermore, the company reported that more than 75% of new deliveries in North America included FSD subscriptions in Q3. This represents a nearly twenty percentage point increase from the previous quarter. Tesla believes this feature is driving demand in available markets, though the company has not defined whether this attach rate accounts for introductory offers or long-term retention.

The path to the 10 million target remains long. Musk’s award consists of 12 tranches, each requiring both a market cap milestone and an operational goal. The operational goals include 20 million vehicle deliveries, 1 million Optimus robots, and 1 million robotaxis in commercial operation. As of June 30, Tesla considered only the 20 million delivery target probable. In Q3, the company added 260,000 net FSD subscriptions, its highest quarterly gain to date. If this pace continues, it would take approximately eight years to reach 10 million. Based on the last 12 months of growth, the timeline extends to about 12 years. The compensation plan remains active until 2035.

Tesla’s cumulative delivery figure, now at 10.2 million, also uses a similar accounting method. It includes unsupervised Robotaxis placed into commercial operation to align with the pay package requirements. While counting upfront buyers as subscribers is not inherently incorrect, the presentation raises questions about transparency. The board established this definition, and the CEO’s pay depends on it. Investors are left wondering about the true revenue from the $99 monthly fee, as the company has not broken down the number of current payers versus legacy owners.