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285/30R21 Tires

285/30R21 tires have a diameter of 27.7", a section width of 11.2", and a wheel diameter of 21". The circumference is 87.1" and they have 728 revolutions per mile.
Generally they are approved to be mounted on 9.5-10.5" wide wheels.
Specs may vary by manufacturer. learn more
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285/30R21 Tire Front
285/30R21 Tire Side
21 Inch Wheel
728 Revs/Mile
Diameter : 27.7"
Width : 11.2"
Wheel : 21" x 9.5-10.5"
Sidewall : 3.4"
Circum. : 87.1"
Revs/Mile : 728

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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Tire Size

Select a Size to Compare Prices on Available Tires

Pirelli Tires
 Pirelli P Zero PZ4 285/30R21
P Zero PZ4
Summer | 100Y XL
Avg. $389.00
 Supreme Performance 
Continental Tires
 Continental ContiSportContact 5P 285/30R21
ContiSportContact 5P
Summer | 100Y XL
Avg. $409.00
 Supreme Performance 
Pirelli Tires
 Pirelli P Zero 285/30R21
P Zero
Summer | 100Y XL
Avg. $415.00
 Supreme Performance 
Michelin Tires
 Michelin Pilot Sport 4S 285/30R21
Pilot Sport 4S
Summer | 100Y XL
Avg. $435.50
 Supreme Performance 
30K Miles
Pirelli Tires
 Pirelli Winter Sottozero 3 285/30R21
Winter Sottozero 3
Winter | 100W XL
Avg. $545.00