255/60R18 Tire Size Specifications & Compatible Vehicles

763mm153mmR18255/60R18Width: 255mm (10")
Overall Diameter
763.2 mm
Section Width
255 mm
Sidewall Height
153.0 mm
Circumference
2397.7 mm
Revs/Mile
671
Rim Diameter
18"

Alternative Tire Sizes

These tire sizes are within 3% overall diameter of 255/60R18 and may be used as replacements:

255/65R17 Safe  0.0% · same width · -1" rim 255/55R19 Safe  0.0% · same width · +1" rim 255/50R20 Safe  0.0% · same width · +2" rim 235/65R18 Safe  0.1% · -20mm · same rim 235/70R17 Safe  0.3% · -20mm · -1" rim 275/55R18 Safe  0.5% · +20mm · same rim 235/75R16 Safe  0.6% · -20mm · -2" rim 275/50R19 Safe  0.7% · +20mm · +1" rim 275/45R20 Safe  1.0% · +20mm · +2" rim 265/50R20 Safe  1.3% · +10mm · +2" rim 245/50R20 Safe  1.3% · -10mm · +2" rim 245/75R16 Safe  1.4% · -10mm · -2" rim

Popular Comparisons

See how 255/60R18 compares to other common tire sizes:

235/65R18 vs 255/60R18 SUV width and profile swap

Understanding 255/60R18

The tire size 255/60R18 means the tire has a section width of 255mm, an aspect ratio of 60% (the sidewall height is 60% of the width), and fits a 18-inch rim.

Sidewall Height = 255 x 0.6 = 153.0 mm
Overall Diameter = (153.0 x 2) + (18 x 25.4) = 763.2 mm
Circumference = 763.2 x π = 2397.7 mm

With an aspect ratio of 60%, this is a standard-profile tire that balances ride comfort with handling precision. This profile range is the most common for passenger cars, crossovers, and light SUVs.

Choosing Replacement Tires

When replacing 255/60R18 tires, verify the size matches your vehicle's tire placard (typically found on the driver's door jamb or in the owner's manual). The NHTSA Tire Ratings Search tool lets you look up manufacturer load and speed ratings for specific tires.

Key factors beyond size: load index (must meet or exceed the vehicle's requirement), speed rating (must match or exceed the original specification), and seasonal type (all-season, summer, or winter) based on your driving conditions. The U.S. Tire Manufacturers Association recommends replacing all four tires at once, or at minimum in pairs on the same axle.