This page shows historical data of the total number of new (in existing inventory) Tesla Model Y vehicle listings available in stock (in the United States) on their website.
Chart via td1.mattjung.net by @Mattjungphoto
Model Y Listings Per-Trim
Browse other new inventory charts: Model S – Model 3 – Model X – Model Y – Model 3/Y – Model S/X – All New (in existing inventory) Tesla Models