Tire fitment
The 2026 Toyota Tundra base tire size is 265/70R18 — 265 mm wide with a 70% aspect ratio on 18″ rims. 4 OEM sizes are available across trims.
2026 Toyota Tundra
265/70R1832.6″ overall diameter · 185.5 mm sidewall · ~619 rev/mi
| Trim | Tire size | Rim | Diameter | vs Base |
|---|---|---|---|---|
| SR5 ★ | 265/70R18 | 7.5×18″ | 32.6″ (828.2 mm) | — |
| Limited/Platinum/1794 | 265/60R20 | 8×20″ | 32.5″ (826 mm) | -0.27% |
| TRD Pro | 285/65R18 | 8×18″ | 32.6″ (827.7 mm) | -0.06% |
| Capstone | 265/50R22 | 8.5×22″ | 32.4″ (823.8 mm) | -0.53% |
The 2026 Toyota Tundra ships with 265/70R18 tires on the base trim — that's an overall diameter of 32.6″. The 265 mm width and 70% sidewall ratio give you 185.5 mm of sidewall cushion between the rim and the road.
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 Toyota Tundra; verify against your door-jamb placard or owner's manual.
The base 2026 Toyota Tundra uses 265/70R18 tires — 265 mm wide, 70% aspect ratio, on 18-inch rims. The overall diameter is 32.6″ (828.2 mm). Higher trims use different sizes — see the table above. Confirm against your door-jamb placard.
Yes, within limits. Keep the overall diameter within about 3% of 32.6″ to avoid speedometer error and clearance issues. A wider tire may improve grip, but match the load and speed ratings your Tundra requires.
265/70R18 tires have an overall diameter of 32.6″ (828.2 mm), with a 185.5 mm sidewall height. That's about 619 revolutions per mile.
The 2026 Toyota Tundra 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.