Best 305/30R21 Tires

Browse best 305/30R21 tires with 3 tire models available from $418.30.

Buy 305/30R21 Tires at Lowest Prices
TireRack from $418.30
Priority Tire from $504.99
Simple Tire from $418.99

Best 305/30R21 Ultra High Performance Summer Tires

Ultra high performance summer tires are designed for agile handling on dry and wet roads with good ride quality and decent tread life.

(4.6 out of 54.6) from $433.01
(4.5 out of 54.5) from $490.99
additional rebate of $50
(4.4 out of 54.4) from $418.30

305/30R21 Tire Size Fitment

3 vehicles are equipped with 305/30R21 tires as original equipment. Select vehicle model to find best tires that fit.

305/30R21 Tire Size Specifications

305/30R21 is a Metric tire with a section or tread width of 12 inches, wheel diameter of 21 inches, and overall diameter of 28.2 inches. 305/30R21 tire has a circumference of 88.5 inches, making 716 revolutions per mile.

305/30R21 Section Width
305/30R21 Tire Side
Tire Circumference
716 Revs/Mile

Overall Diameter: 28.2"

Tread Width: 12"

Wheel Diameter: 21"

Sidewall Height: 3.6"

Circumference: 88.5"

Revolutions per Mile: 716

305/30R21 Tire Size Conversion

305/30R21 in inches is equivalent to 28.2x12R21.

Replacement Sizes for 305/30R21 Tires

305/30R21 tire can be replaced with 27 compatible tire sizes. Select optional plus size to see available tire models.

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