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285/40R21 Tires

285/40R21 tires have a diameter of 30.0", a section width of 11.2", and a wheel diameter of 21". The circumference is 94.1" and the revolutions per mile are 693.
Specs may vary by manufacturer. learn more
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285/40R21 Tire Front
11.2"
30.0"
285/40R21 Tire Side
21 Inch Wheel
Circumference
94.1"
21"
4.5"
693 Revs/Mile
285/40R21
Diameter : 30.0"
Width : 11.2"
Wheel : 21"
Sidewall : 4.5"
Circum. : 94.1"
Revs/Mile : 693

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

Pirelli Tires
Pirelli Scorpion Winter 285/40R21
Scorpion Winter
Truck/SUV Winter | 109V XL
Avg. $296.95
 Performance 
Pirelli Tires
Pirelli Scorpion Verde 285/40R21
Scorpion Verde
Truck/SUV Summer | 109Y XL
Avg. $336.83
 Sport 
Continental Tires
Continental ContiSportContact 5 SUV 285/40R21
ContiSportContact 5 SUV
Truck/SUV Summer | 109Y XL
Avg. $348.96
 Sport 
$70 REBATE
Goodyear Tires
Goodyear Eagle F1 Asymmetric 2 SUV-4X4 285/40R21
Eagle F1 Asymmetric 2 SUV-4X4
Truck/SUV Summer | 109Y XL
Avg. $408.13
 Sport