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245/40R21 Tires

245/40R21 tires have a diameter of 28.7", a section width of 9.6", and a wheel diameter of 21". The circumference is 90.2" and the revolutions per mile are 724.
Specs may vary by manufacturer. learn more
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245/40R21 Tire Front
9.6"
28.7"
245/40R21 Tire Side
21 Inch Wheel
Circumference
90.2"
21"
3.9"
724 Revs/Mile
245/40R21
Diameter : 28.7"
Width : 9.6"
Wheel : 21"
Sidewall : 3.9"
Circum. : 90.2"
Revs/Mile : 724

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 P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100W XL
Avg. $513.72
 Supreme Performance 
Pirelli Tires
Pirelli P Zero 245/40R21
P Zero
Summer | 100Y XL
Avg. $525.38
 Supreme Performance