Best 255/40R21 Tires

Browse best 255/40R21 tires with 11 tire models available from $151.99.

Best 255/40R21 Tire Prices
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Best 255/40R21 High Performance All-Season Tires

High performance all-season tires offer a good balance of responsive handling, dependable year-round traction and good tread life.

(4.7 out of 54.7) from $343.00

Best 255/40R21 Touring All-Season Tires

Touring all-season tires deliver a nice balance of good year-round traction, smooth ride and longer tread life.

(4.6 out of 54.6) from $298.30

Best 255/40R21 Ultra High Performance All-Season Tires

Ultra high performance all-season tires feature responsive handling, great dry and wet traction, adequate winter traction, decent ride comfort and tread life.

(4.4 out of 54.4) from $349.99

Best 255/40R21 Ultra High Performance Summer Tires

Ultra high performance summer tires are focused on sharp handling on dry and wet roads with good ride quality and tread life. Not designed for winter driving.

(4.7 out of 54.7) from $294.81
(4.7 out of 54.7) from $342.70
(4.6 out of 54.6) from $382.06
(4.4 out of 54.4) from $334.61
(4.4 out of 54.4) from $151.99
(4.4 out of 54.4) from $259.99
(4.3 out of 54.3) from $458.99
(4.3 out of 54.3) from $328.00

255/40R21 Tire Size Fitment

9 vehicles are equipped with 255/40R21 tires as original equipment. Select vehicle model to find best tires that fit.

255/40R21 Tire Size Specifications

255/40R21 is a Metric tire with a section or tread width of 10 inches, wheel diameter of 21 inches, and overall diameter of 29 inches. 255/40R21 tire has a circumference of 91.1 inches, making 695 revolutions per mile.

255/40R21 Section Width
255/40R21 Tire Side
21 Inch Wheel
Tire Circumference
695 Revs/Mile

Overall Diameter: 29"

Tread Width: 10"

Wheel Diameter: 21"

Sidewall Height: 4"

Circumference: 91.1"

Revolutions per Mile: 695

Replacement Tire Sizes for 255/40R21

255/40R21 tire can be replaced with 25 compatible tire sizes. Select optional plus size to see all available tire models.