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255/30R21 Tires

255/30R21 tires have a diameter of 27.0", a section width of 10.0", and a wheel diameter of 21". The circumference is 84.9" and the revolutions per mile are 747.
Specs may vary by manufacturer. learn more
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255/30R21 Tire Front
10.0"
27.0"
255/30R21 Tire Side
21 Inch Wheel
Circumference
84.9"
21"
3.0"
747 Revs/Mile
255/30R21
Diameter : 27.0"
Width : 10.0"
Wheel : 21"
Sidewall : 3.0"
Circum. : 84.9"
Revs/Mile : 747

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

$70 REBATE
Pirelli Tires
 Pirelli P Zero Nero GT 255/30R21
P Zero Nero GT
Summer | 93Y XL
Avg. $154.74
 Supreme Performance 
Toyo Tires
 Toyo Proxes T1R 255/30R21
Proxes T1R
Summer | 93Y XL
Avg. $247.23
 Ultra High Performance 
Michelin Tires
 Michelin Pilot Sport 4S 255/30R21
Pilot Sport 4S
Summer | 93Y XL
Avg. $347.97
 Supreme Performance 
30K Miles
$70 REBATE
Pirelli Tires
 Pirelli P Zero 255/30R21
P Zero
Summer | 93Y XL
Avg. $361.65
 Supreme Performance