Best 275/40R21 Tires
Browse best 275/40R21 tires with 11 tire models available from $181.96.
Best 275/40R21 High Performance All-Season Tires
High performance all-season tires offer a balanced blend of good handling, year-round traction and treadlife.
Best 275/40R21 High Performance Summer Tires
High performance summer tires offer a perfect blend of good handling, dry and wet traction and decent tread wear.
Best 275/40R21 High Performance Winter Tires
High performance winter tires provide a nice blend of crisp handling, high-speed capabilities and snow and ice traction.
Best 275/40R21 Touring All-Season Tires
Touring all-season tires provide unparallel balance of good year-round traction, comfortable ride and longer tread life.
Best 275/40R21 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.
275/40R21 Tire Size Fitment
4 vehicles are equipped with 275/40R21 tires as original equipment. Select vehicle model to find best tires that fit.
275/40R21 Tire Size Specifications
275/40R21 is a Metric tire with a section or tread width of 10.8 inches, wheel diameter of 21 inches, and overall diameter of 29.6 inches. 275/40R21 tire has a circumference of 92.9 inches, making 682 revolutions per mile.
Overall Diameter: 29.6"
Tread Width: 10.8"
Wheel Diameter: 21"
Sidewall Height: 4.3"
Revolutions per Mile: 682
275/40R21 Tire Size Conversion
275/40R21 in inches is equivalent to 29.6x10.8R21.
Replacement Sizes for 275/40R21 Tires
275/40R21 tire can be replaced with 24 compatible tire sizes. Select optional plus size to see available tire models.