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155/85R18 Tires

155/85R18 tires have a diameter of 28.4", a section width of 6.1", and a wheel diameter of 18". The circumference is 89.1" and they have 711 revolutions per mile.
Specs may vary by manufacturer. learn more
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155/85R18 Tire Front
6.1"
28.4"
155/85R18 Tire Side
18 Inch Wheel
Circumference
89.1"
18"
5.2"
711 Revs/Mile
155/85R18
Diameter : 28.4"
Width : 6.1"
Wheel : 18"
Sidewall : 5.2"
Circum. : 89.1"
Revs/Mile : 711

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

Continental Tires
 Continental sContact 155/85R18
sContact
Spare | 115M SL
Avg. $135.00
Goodyear Tires
 Goodyear Convenience Spare 155/85R18
Convenience Spare
Spare | 115M SL
Avg. $187.00