255/40R18 Tires

Find out if 255/40R18 fits your vehicle. Check out 255/40R18 tire size specifications and suggested replacement sizes.

What are 255/40R18 dimensions?

255/40R18 tire has a section width of 10 inches, a rim diameter of 18 inches, a sidewall height of 4 inches, an overall diameter of 26 inches, and a circumference of 81.6 inches, making 776 revolutions per mile.

255/40R18 Section Width
255/40R18 Tire Side
Tire Circumference
776 Revs/Mile
Metric Inches
Overall Diameter 661 mm 26"
Tread Width 255 mm 10"
Aspect Ratio 40 %
Rim Diameter 457.2 mm 18"
Sidewall Height 102 mm 4"
Circumference 2075.5 mm 81.6"
Revolutions 482 per km 776 per mile

What is 255/40R18 in inches?

255/40R18 in inches is equivalent to 26x10R18.

What are replacement tire sizes for 255/40R18?

Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of similar tire sizes that are within optimal characteristics of the original 255/40R18 size.

What cars does 255/40R18 tire size fit?

There are 59 car models that use 255/40R18 as original equipment tire size. Select your vehicle model for more details.