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175/90R18 Tires

175/90R18 tires have a diameter of 30.4", a section width of 6.9", and a wheel diameter of 18". The circumference is 95.5" and they have 664 revolutions per mile.
Specs may vary by manufacturer. learn more
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175/90R18 Tire Front
6.9"
30.4"
175/90R18 Tire Side
18 Inch Wheel
Circumference
95.5"
18"
6.2"
664 Revs/Mile
175/90R18
Diameter : 30.4"
Width : 6.9"
Wheel : 18"
Sidewall : 6.2"
Circum. : 95.5"
Revs/Mile : 664

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

Goodyear Tires
 Goodyear Convenience Spare 175/90R18
Convenience Spare
Spare | 111M LL
Avg. $306.50