285/40R18 Tires

285/40R18 tires have a diameter of 27.0", a section width of 11.2", and a wheel diameter of 18". The circumference is 84.7" and they have 748 revolutions per mile.
Generally they are approved to be mounted on 9.5-11" wide wheels.
Specs may vary by manufacturer. learn more

Visualizer / Alternate Sizes

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Visualizer

11.2"

27.0"

84.7"

18"

4.5"

748 Revs/Mile

285/40R18

Diameter : 27.0"

Width : 11.2"

Wheel : 18" x 9.5-11"

Sidewall : 4.5"

Circum. : 84.7"

Revs/Mile : 748

Upsizing Wheels or Tires?

When searching for the perfect tire for your vehicle you need options. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel.

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