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235/30R18 Tires

235/30R18 tires have a diameter of 23.6", a section width of 9.3", and a wheel diameter of 18". The circumference is 74.0" and they have 857 revolutions per mile.
Specs may vary by manufacturer. learn more
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235/30R18 Tire Front
9.3"
23.6"
235/30R18 Tire Side
18 Inch Wheel
Circumference
74.0"
18"
2.8"
857 Revs/Mile
235/30R18
Diameter : 23.6"
Width : 9.3"
Wheel : 18"
Sidewall : 2.8"
Circum. : 74.0"
Revs/Mile : 857

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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Select a Size to Compare Prices on Available Tires

Toyo Tires
 Toyo Proxes Sport 235/30R18
Proxes Sport
Summer | 85Y XL
Avg. $169.50
 Supreme Performance  
25K Miles