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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 they have 695 revolutions per mile.
Generally they are approved to be mounted on 8.5-10" wide wheels.
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"
695 Revs/Mile
255/40R21
Diameter : 29.0"
Width : 10.0"
Wheel : 21" x 8.5-10"
Sidewall : 4.0"
Circum. : 91.2"
Revs/Mile : 695

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Toyo Tires
Toyo Proxes Sport 255/40R21
Proxes Sport
Summer | 102Y XL
Avg. $295.50
 Supreme Performance  
25K Miles
Michelin Tires
Michelin CrossClimate 2 255/40R21
CrossClimate 2
All Season | 102V XL
Avg. $319.00
 Grand Touring  
60K Miles
Michelin Tires
Michelin Primacy Tour A/S 255/40R21
Primacy Tour A/S
All Season | 102W XL
Avg. $320.33
 Grand Touring  
45K Miles
Toyo Tires
Toyo Celsius Sport 255/40R21
Celsius Sport
All Season | 102Y XL
Avg. $321.00
 Grand Touring  
40K Miles
$80 REBATE
Pirelli Tires
Pirelli Scorpion Winter 255/40R21
Scorpion Winter
Truck/SUV Winter | 102V XL
Avg. $324.33
 Performance  
Continental Tires
Continental ContiSportContact 5P 255/40R21
ContiSportContact 5P
Summer | 102Y XL
Avg. $335.25
 Supreme Performance  
Continental Tires
Continental CrossContact RX 255/40R21
CrossContact RX
Truck/SUV All Season | 102V XL
Avg. $358.50
 Touring  
Continental Tires
Continental ContiSportContact 5 255/40R21
ContiSportContact 5
Summer | 102Y XL
Avg. $362.00
 Supreme Performance  
Continental Tires
Continental SportContact 6 255/40R21
SportContact 6
Summer | 102Y XL
Avg. $366.33
 Supreme Performance  
Continental Tires
Continental CrossContact RX 255/40R21
CrossContact RX
Truck/SUV All Season | 102W XL
Avg. $374.00
 Touring  
Pirelli Tires
Pirelli P Zero PZ4 255/40R21
P Zero PZ4
Summer | 102V XL
Avg. $418.00
 Supreme Performance  
Goodyear Tires
Goodyear Eagle F1 Asymmetric 5 255/40R21
Eagle F1 Asymmetric 5
Summer | 102Y XL
Avg. $425.00
 Supreme Performance  
Bridgestone Tires
Bridgestone Potenza Sport 255/40R21
Potenza Sport
Summer | 102Y XL
Avg. $430.00
 Supreme Performance  
Pirelli Tires
Pirelli P Zero 255/40R21
P Zero
Summer | 102Y XL
Avg. $431.33
 Supreme Performance  
Michelin Tires
Michelin Pilot Sport All Season 4 255/40R21
Pilot Sport All Season 4
All Season | 102Y XL
Avg. $433.75
 Ultra High Performance  
45K Miles
Michelin Tires
Michelin Pilot Sport 4S 255/40R21
Pilot Sport 4S
Summer | 105Y HL
Avg. $436.00
 Supreme Performance  
30K Miles
Michelin Tires
Michelin Pilot Sport 4 SUV 255/40R21
Pilot Sport 4 SUV
Truck/SUV Summer | 102Y XL
Avg. $440.60
 Sport  
20K Miles
Michelin Tires
Michelin Pilot Sport 4S 255/40R21
Pilot Sport 4S
Summer | 102Y XL
Avg. $463.80
 Supreme Performance  
30K Miles
Pirelli Tires
Pirelli P Zero PZ4 255/40R21
P Zero PZ4
Summer | 102Y XL
Avg. $464.25
 Supreme Performance  
$80 REBATE
Pirelli Tires
Pirelli Scorpion Zero All Season 255/40R21
Scorpion Zero All Season
Truck/SUV All Season | 102V XL
Avg. $501.86
 Sport  
Dunlop Tires
Dunlop SP Sport Maxx GT 255/40R21
SP Sport Maxx GT
Summer | 102Y XL
Avg. $523.00
 Supreme Performance  
Michelin Tires
Michelin Pilot Sport EV 255/40R21
Pilot Sport EV
Summer | 102Y XL
Avg. $540.00
 Supreme Performance  
20K Miles
Dunlop Tires
Dunlop Sport Maxx RT2 255/40R21
Sport Maxx RT2
Summer | 102Y XL
Avg. $670.00
 Supreme Performance