It will depend on the width of the wheels; Tesla specifies 9.5 inch wide wheels for 19" and 20"; 9.5" for the 21" front and 10.5 inch for the 21" rear:
The Tesla Model Y Wheel Guide
Tesla specifies 255/45R-19 tires for the 19" Gemini wheels; i.e. 255mm wide, aspect ratio 45 (the height of the sidewall expressed as a percentage of the tire width), 19" inner tire diameter. Tesla further specifies Model Y tires as Extra Load (XL) rated tires, specifies the following load index (maximum weight rating) and speed rating for the tires:
19" wheels: 255/45R-19 104Y XL; i.e. load index of 104 (1984 lbs maximum load per tire) , speed rating of Y (186 MPH), Extra Load rated
20" wheels: 255/40R-20 101Y, XL; load index of 101 (1819 lbs maximum load per tire), speed rating of Y (186 MPH), Extra Load rated
21" wheels (front): 255/35R-21 98W XL; load index of 98 (1653 lbs maximum load per tire), speed rating of W (168 MPH), Extra Load rated
21" wheels (rear) 275/35R-21 103W XL; load index of 103 (1929 lbs maximum load per tire), speed rating of W (168 MPH), Extra Load rated
The Performance Model Y has a top speed of 155 MPH, for safety the tires should have a minimum speed rating of W (168 MPH) (Note: Some winter tires are only available with a lower speed rating.)
The Long Range Model Y has a top speed of 135 MPH, for safety the tires should have a minimum speed rating of V (149 MPH) although the OE tires carry a speed rating of Y (186 MPH) tires with a V, W or Y speed rating would be acceptable.
https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=35
Tire Size Comparison