Tire fitment
The 2021-2025 Chevrolet Tahoe base tire size is 265/65R18 — 265 mm wide with a 65% aspect ratio on 18″ rims. 3 OEM sizes are available across trims.
2021-2025 Chevrolet Tahoe
265/65R1831.6″ overall diameter · 172.3 mm sidewall · ~639 rev/mi
| Trim | Tire size | Rim | Diameter | vs Base |
|---|---|---|---|---|
| LS/LT ★ | 265/65R18 | 8.5×18″ | 31.6″ (801.7 mm) | — |
| Premier/Z71 | 275/60R20 | 9×20″ | 33″ (838 mm) | +4.53% |
| High Country | 275/50R22 | 9×22″ | 32.8″ (833.8 mm) | +4% |
The 2021-2025 Chevrolet Tahoe ships with 265/65R18 tires on the base trim — that's an overall diameter of 31.6″. The 265 mm width and 65% sidewall ratio give you 172.3 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 2021-2025 Chevrolet Tahoe; verify against your door-jamb placard or owner's manual.
The base 2021-2025 Chevrolet Tahoe uses 265/65R18 tires — 265 mm wide, 65% aspect ratio, on 18-inch rims. The overall diameter is 31.6″ (801.7 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 31.6″ to avoid speedometer error and clearance issues. A wider tire may improve grip, but match the load and speed ratings your Tahoe requires.
265/65R18 tires have an overall diameter of 31.6″ (801.7 mm), with a 172.3 mm sidewall height. That's about 639 revolutions per mile.
The 2021-2025 Chevrolet Tahoe 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.