Tire fitment
The 2023-2025 Chevrolet Colorado base tire size is 255/65R17 — 255 mm wide with a 65% aspect ratio on 17″ rims. 3 OEM sizes are available across trims.
2023-2025 Chevrolet Colorado
255/65R1730.1″ overall diameter · 165.8 mm sidewall · ~671 rev/mi
| Trim | Tire size | Rim | Diameter | vs Base |
|---|---|---|---|---|
| WT/LT ★ | 255/65R17 | 7.5×17″ | 30.1″ (763.3 mm) | — |
| Z71/Trail Boss | 265/65R18 | 8×18″ | 31.6″ (801.7 mm) | +5.03% |
| ZR2 | 285/70R17 | 8×17″ | 32.7″ (830.8 mm) | +8.84% |
The 2023-2025 Chevrolet Colorado ships with 255/65R17 tires on the base trim — that's an overall diameter of 30.1″. The 255 mm width and 65% sidewall ratio give you 165.8 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 2023-2025 Chevrolet Colorado; verify against your door-jamb placard or owner's manual.
The base 2023-2025 Chevrolet Colorado uses 255/65R17 tires — 255 mm wide, 65% aspect ratio, on 17-inch rims. The overall diameter is 30.1″ (763.3 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 30.1″ to avoid speedometer error and clearance issues. A wider tire may improve grip, but match the load and speed ratings your Colorado requires.
255/65R17 tires have an overall diameter of 30.1″ (763.3 mm), with a 165.8 mm sidewall height. That's about 671 revolutions per mile.
The 2023-2025 Chevrolet Colorado 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.