By Vehicle

275/40R21 Tires

275/40R21 tires have a diameter of 29.7", a section width of 10.8", and a wheel diameter of 21". The circumference is 93.1" and the revolutions per mile are 680.
Specs may vary by manufacturer. learn more
Close [X]
Visualizer
275/40R21 Tire Front
10.8"
29.7"
275/40R21 Tire Side
21 Inch Wheel
Circumference
93.1"
21"
4.3"
680 Revs/Mile
275/40R21
Diameter : 29.7"
Width : 10.8"
Wheel : 21"
Sidewall : 4.3"
Circum. : 93.1"
Revs/Mile : 680

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 [+]

275/40R21 Summer Tires

Dunlop Tires
 Dunlop SP Sport Maxx 275/40R21
SP Sport Maxx
Avg. $340.70

275/40R21 Truck/SUV All Season Tires

Continental Tires
 Continental CrossContact LX Sport 275/40R21
CrossContact LX Sport
Avg. $318.70
Pirelli Tires
 Pirelli Scorpion Verde All Season 275/40R21
Scorpion Verde All Season
Avg. $364.70

275/40R21 Truck/SUV Winter Tires

$70 REBATE
Pirelli Tires
 Pirelli Scorpion Winter 275/40R21
Scorpion Winter
Avg. $273.77

275/40R21 Truck/SUV Summer Tires

Pirelli Tires
 Pirelli Scorpion Verde 275/40R21
Scorpion Verde
Avg. $343.70

Tire Sizes By Vehicle