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275/55R18 Tires

275/55R18 tires have a diameter of 29.9", a section width of 10.8", and a wheel diameter of 18". The circumference is 93.9" and they have 675 revolutions per mile.
Generally they are approved to be mounted on 7.5-9.5" wide wheels.
Specs may vary by manufacturer. learn more
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275/55R18 Tire Front
10.8"
29.9"
275/55R18 Tire Side
18 Inch Wheel
Circumference
93.9"
18"
6.0"
675 Revs/Mile
275/55R18
Diameter : 29.9"
Width : 10.8"
Wheel : 18" x 7.5-9.5"
Sidewall : 6.0"
Circum. : 93.9"
Revs/Mile : 675

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

Kumho Tires
 Kumho Ecsta STX KL12 275/55R18
Ecsta STX KL12
Truck/SUV All Season | 114V XL
Avg. $168.67
Sport