Search By

315/40R21 Tires

315/40R21 tires have a diameter of 30.9", a section width of 12.4", and a wheel diameter of 21". The circumference is 97.1" and they have 653 revolutions per mile.
Generally they are approved to be mounted on 10.5-12.5" wide wheels.
Specs may vary by manufacturer. learn more
Close [X]
Visualizer
315/40R21 Tire Front
12.4"
30.9"
315/40R21 Tire Side
21 Inch Wheel
Circumference
97.1"
21"
5.0"
653 Revs/Mile
315/40R21
Diameter : 30.9"
Width : 12.4"
Wheel : 21" x 10.5-12.5"
Sidewall : 5.0"
Circum. : 97.1"
Revs/Mile : 653

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.
Alternate Sizes- OR -
Tire Size
Equivalent
Diameter

Select a Size to Compare Prices on Available Tires
Filter Tire Results [+]
Brand
  • Continental (4)
  • Michelin (3)
  • Pirelli (7)
  • Toyo (1)
Tire Type
  • All Season (1)
  • Summer (5)
  • Truck/SUV All Season (5)
  • Truck/SUV Summer (2)
  • Truck/SUV Winter (2)
Performance
  • Grand Touring (1)
  • Performance (2)
  • Sport (5)
  • Supreme Performance (5)
  • Touring (2)
Warranty
  • 20K Miles (2)
  • 25K Miles (1)
  • 50K Miles (2)
  • 55K Miles (1)
Load Rating
  • SL (9)
  • XL (6)
Speed Rating
  • H (4)
  • V (3)
  • Y (8)
Price
  • Above $300 (15)

Toyo Tires
Toyo Proxes Sport 315/40R21
Proxes Sport
Summer | 111Y SL
Avg. $328.00
 Supreme Performance  
25K Miles
Michelin Tires
Michelin Primacy Tour A/S 315/40R21
Primacy Tour A/S
All Season | 111H SL
Avg. $357.20
 Grand Touring  
55K Miles
Continental Tires
Continental CrossContact LX Sport 315/40R21
CrossContact LX Sport
Truck/SUV All Season | 111H SL
Avg. $376.25
 Touring  
Continental Tires
Continental CrossContact LX Sport 315/40R21
CrossContact LX Sport
Truck/SUV All Season | 115V XL
Avg. $408.00
 Touring  
$80 REBATE
Pirelli Tires
Pirelli Scorpion Zero All Season 315/40R21
Scorpion Zero All Season
Truck/SUV All Season | 111H SL
Avg. $415.50
 Sport  
Continental Tires
Continental SportContact 6 315/40R21
SportContact 6
Summer | 111Y SL
Avg. $426.00
 Supreme Performance  
$80 REBATE
Pirelli Tires
Pirelli Scorpion Zero All Season Plus 315/40R21
Scorpion Zero All Season Plus
Truck/SUV All Season | 111H SL
Avg. $427.00
 Sport  
50K Miles
Continental Tires
Continental SportContact 6 315/40R21
SportContact 6
Summer | 115Y XL
Avg. $443.00
 Supreme Performance  
Michelin Tires
Michelin Latitude Sport 3 315/40R21
Latitude Sport 3
Truck/SUV Summer | 111Y SL
Avg. $462.00
 Sport  
20K Miles
$80 REBATE
Pirelli Tires
Pirelli Scorpion Winter 315/40R21
Scorpion Winter
Truck/SUV Winter | 111V SL
Avg. $468.00
 Performance  
Pirelli Tires
Pirelli P Zero PZ4 315/40R21
P Zero PZ4
Summer | 111Y SL
Avg. $471.22
 Supreme Performance  
Michelin Tires
Michelin Pilot Sport 4 SUV 315/40R21
Pilot Sport 4 SUV
Truck/SUV Summer | 115Y XL
Avg. $486.50
 Sport  
20K Miles
$80 REBATE
Pirelli Tires
Pirelli Scorpion Winter 315/40R21
Scorpion Winter
Truck/SUV Winter | 115V XL
Avg. $547.50
 Performance  
$80 REBATE
Pirelli Tires
Pirelli Scorpion Zero All Season Plus 315/40R21
Scorpion Zero All Season Plus
Truck/SUV All Season | 115Y XL
Avg. $708.00
 Sport  
50K Miles
Pirelli Tires
Pirelli P Zero PZ4 315/40R21
P Zero PZ4
Summer | 115Y XL
Avg. $726.00
 Supreme Performance