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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 they have 703 revolutions per mile.
Generally they are approved to be mounted on 8-9.5" wide wheels.
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"
703 Revs/Mile
245/40R21
Diameter : 28.7"
Width : 9.6"
Wheel : 21" x 8-9.5"
Sidewall : 3.9"
Circum. : 90.2"
Revs/Mile : 703

Upsizing Wheels or Tires?

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Brand
  • Bridgestone (1)
  • Dunlop (1)
  • Michelin (1)
  • Pirelli (4)
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  • Summer (7)
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  • Supreme Performance (7)
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  • 30K Miles (1)
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  • SL (3)
  • XL (4)
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  • V (1)
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  • RunFlat (4)
Price
  • Above $300 (7)

Bridgestone Tires
Bridgestone Potenza S001 RFT 245/40R21
Potenza S001 RFT
Summer | 96Y SL (RunFlat)
Avg. $363.00
 Supreme Performance 
Pirelli Tires
Pirelli P Zero 245/40R21
P Zero
Summer | 100Y XL
Avg. $375.50
 Supreme Performance 
Dunlop Tires
Dunlop SP Sport Maxx 050 DSST 245/40R21
SP Sport Maxx 050 DSST
Summer | 96Y SL (RunFlat)
Avg. $432.00
 Supreme Performance 
Pirelli Tires
Pirelli P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100V XL
Avg. $432.50
 Supreme Performance 
Pirelli Tires
Pirelli P Zero PZ4 245/40R21
P Zero PZ4
Summer | 100W XL
Avg. $464.50
 Supreme Performance 
Michelin Tires
Michelin Pilot Super Sport ZP 245/40R21
Pilot Super Sport ZP
Summer | 96Y SL (RunFlat)
Avg. $487.00
 Supreme Performance 
30K Miles
Pirelli Tires
Pirelli P Zero PZ4 Run Flat 245/40R21
P Zero PZ4 Run Flat
Summer | 100Y XL (RunFlat)
Avg. $504.50
 Supreme Performance