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 (2)
  • Michelin (3)
  • Pirelli (6)
Tire Type
  • All Season (1)
  • Summer (4)
  • Truck/SUV All Season (3)
  • Truck/SUV Summer (2)
  • Truck/SUV Winter (1)
Performance
  • Grand Touring (1)
  • Performance (1)
  • Sport (4)
  • Supreme Performance (4)
  • Touring (1)
Warranty
  • 20K Miles (2)
  • 50K Miles (2)
  • 55K Miles (1)
Load Rating
  • SL (7)
  • XL (4)
Speed Rating
  • H (3)
  • V (1)
  • Y (7)
Price
  • Above $300 (11)

Pirelli Tires
 Pirelli Scorpion Zero All Season Plus 315/40R21
Scorpion Zero All Season Plus
Truck/SUV All Season | 111H SL
Avg. $313.00
 Sport 
50K Miles
Michelin Tires
 Michelin Primacy Tour A/S 315/40R21
Primacy Tour A/S
All Season | 111H SL
Avg. $326.00
 Grand Touring 
55K Miles
Continental Tires
 Continental CrossContact LX Sport 315/40R21
CrossContact LX Sport
Truck/SUV All Season | 111H SL
Avg. $335.00
 Touring 
Continental Tires
 Continental SportContact 6 315/40R21
SportContact 6
Summer | 111Y SL
Avg. $348.00
 Supreme Performance 
Pirelli Tires
 Pirelli P Zero PZ4 315/40R21
P Zero PZ4
Summer | 111Y SL
Avg. $361.00
 Supreme Performance 
Michelin Tires
 Michelin Pilot Sport 4 SUV 315/40R21
Pilot Sport 4 SUV
Truck/SUV Summer | 115Y XL
Avg. $365.00
 Sport 
20K Miles
Pirelli Tires
 Pirelli P Zero 315/40R21
P Zero
Summer | 111Y SL
Avg. $387.00
 Supreme Performance 
Michelin Tires
 Michelin Latitude Sport 3 315/40R21
Latitude Sport 3
Truck/SUV Summer | 111Y SL
Avg. $427.00
 Sport 
20K Miles
Pirelli Tires
 Pirelli P Zero PZ4 315/40R21
P Zero PZ4
Summer | 115Y XL
Avg. $531.00
 Supreme Performance 
Pirelli Tires
 Pirelli Scorpion Winter 315/40R21
Scorpion Winter
Truck/SUV Winter | 115V XL
Avg. $550.00
 Performance 
Pirelli Tires
 Pirelli Scorpion Zero All Season Plus 315/40R21
Scorpion Zero All Season Plus
Truck/SUV All Season | 115Y XL
Avg. $576.00
 Sport 
50K Miles