2026 Tesla Model Y: the quick answer
The 2026 Tesla Model Y ships with 255/45R19 tires on the base trim — that's an overall diameter of 28″. The 255 mm width and 45% sidewall ratio give you 114.8 mm of sidewall cushion between the rim and the road.
Tire fitment
2026 Tesla Model Y tire size
The 2026 Tesla Model Y base tire size is 255/45R19 — 255 mm wide with a 45% aspect ratio on 19″ rims. 4 OEM sizes are available across trims.
2026 Tesla Model Y
255/45R1928″ overall diameter · 114.8 mm sidewall · ~719 rev/mi
| Trim | Tire size | Rim | Diameter | vs Base |
|---|---|---|---|---|
| Long Range ★ | 255/45R19 | 9.5×19″ | 28″ (712.1 mm) | — |
| Long Range (20" option) | 255/40R20 | 9.5×20″ | 28″ (712 mm) | -0.01% |
| Performance (front) | 255/35R21 | 9.5×21″ | 28″ (711.9 mm) | -0.03% |
| Performance (rear) | 275/35R21 | 10.5×21″ | 28.6″ (725.9 mm) | +1.94% |
Staggered: 255/35R21 front, 275/35R21 rear.
Before you buy tires
Match the load index and speed rating from your door-jamb placard — not just the size. If you're switching sizes, keep the overall diameter within ~3% to avoid speedometer error and potential ABS/traction-control issues.
Factory fitment for the 2026 Tesla Model Y; verify against your door-jamb placard or owner's manual.
FAQ
What tire size does the 2026 Tesla Model Y use?
The base 2026 Tesla Model Y uses 255/45R19 tires — 255 mm wide, 45% aspect ratio, on 19-inch rims. The overall diameter is 28″ (712.1 mm). Higher trims use different sizes — see the table above. Confirm against your door-jamb placard.
Can I use a different tire size on my 2026 Model Y?
Yes, within limits. Keep the overall diameter within about 3% of 28″ to avoid speedometer error and clearance issues. A wider tire may improve grip, but match the load and speed ratings your Model Y requires.
What is the overall diameter of 255/45R19 tires?
255/45R19 tires have an overall diameter of 28″ (712.1 mm), with a 114.8 mm sidewall height. That's about 719 revolutions per mile.
The 2026 Tesla Model Y tire sizes shown are OEM factory fitments. Confirm your exact tire size, load rating, and speed rating against the door-jamb placard or owner's manual before buying tires.