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255/40R21 Tires

255/40R21 tires have a diameter of 29.0", a section width of 10.0", and a wheel diameter of 21". The circumference is 91.2" and the revolutions per mile are 716.
Specs may vary by manufacturer. learn more
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255/40R21 Tire Front
10.0"
29.0"
255/40R21 Tire Side
21 Inch Wheel
Circumference
91.2"
21"
4.0"
716 Revs/Mile
255/40R21
Diameter : 29.0"
Width : 10.0"
Wheel : 21"
Sidewall : 4.0"
Circum. : 91.2"
Revs/Mile : 716

Upsizing Wheels or Tires?

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Brand
  • Continental (2)
  • Dunlop (2)
  • Pirelli (4)
Tire Type
  • Summer (7)
  • Truck/SUV Winter (1)
Performance
  • Performance (1)
  • Supreme Performance (7)
Speed Rating
  • V (2)
  • Y (6)
Run Flat
  • RunFlat (1)
Price
  • $250-$300 (1)
  • Above $300 (7)

Pirelli Tires
 Pirelli P Zero 255/40R21
P Zero
Summer | 102Y XL
Avg. $290.16
 Supreme Performance 
Continental Tires
 Continental ContiSportContact 5P 255/40R21
ContiSportContact 5P
Summer | 102Y XL
Avg. $339.36
 Supreme Performance 
$70 REBATE
Pirelli Tires
 Pirelli Scorpion Winter 255/40R21
Scorpion Winter
Truck/SUV Winter | 102V XL
Avg. $339.45
 Performance 
Continental Tires
 Continental ContiSportContact 5 255/40R21
ContiSportContact 5
Summer | 102Y XL (RunFlat)
Avg. $342.92
 Supreme Performance 
Dunlop Tires
 Dunlop SP Sport Maxx GT 255/40R21
SP Sport Maxx GT
Summer | 102Y XL
Avg. $344.05
 Supreme Performance 
Pirelli Tires
 Pirelli P Zero PZ4 255/40R21
P Zero PZ4
Summer | 102Y XL
Avg. $364.36
 Supreme Performance 
Pirelli Tires
 Pirelli P Zero PZ4 255/40R21
P Zero PZ4
Summer | 102V XL
Avg. $400.05
 Supreme Performance 
Dunlop Tires
 Dunlop Sport Maxx RT2 255/40R21
Sport Maxx RT2
Summer | 102Y XL
Avg. $444.85
 Supreme Performance