Toyo Open Country Q/T 255/50R20 Tires
Toyo Open Country Q/T 255/50R20 XL 109V is a touring all-season tire priced from $217.36.
Toyo Open Country Q/T 255/50R20 XL 109V Tire Specs
255/50R20 is a Metric tire used as an original equipment on a variety of popular crossovers and sport utility vehicles. It also comes in a P-Metric (P255/50R20) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
255 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 255/50R20 tire is 255 millimeters.
50 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 255/50R20 tire, the sidewall height is 50% of its tread width.
R denotes that 255/50R20 tire has radial construction.
20 represents the wheel diameter in inches that the tire is designed to fit. 255/50R20 can be mounted on rims with 20 inches in diameter.
XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.
109 indicates the load index. A tire with a load index of 109 can support a maximum load of 2271 pounds or 1030 kilograms per tire.
V indicates the speed rating. A tire with a speed rating of V is approved for speeds up to 149 miles per hour or 240 kilometers per hour under optimal conditions.
Maximum inflation for Toyo Open Country Q/T 255/50R20 tire is 50 psi.
Uniform Tire Quality Grading System (UTQG) rating for Toyo Open Country Q/T 255/50R20 tire is 680 A A.
Tire manufacturer part number (MPN) is 318340.

255/50R20 Dimensions Chart
Toyo Open Country Q/T 255/50R20 tire has a diameter of 30.1", a width of 10", mounts on a 20" rim, and makes 670 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 255 mm | 10" |
Aspect Ratio | 50% | |
Rim Diameter | 508 mm | 20" |
Tire Diameter | 764 mm | 30.1" |
Sidewall Height | 128 mm | 5" |
Circumference | 2399 mm | 94.5" |
Revolutions | 417 per km | 670 per mile |
More 255/50R20 Tires
Here are the lowest priced tires availabe in 255/50R20 tire size.

Atturo AZ850 255/50R20
from $124.98
Accelera Iota ST68 255/50R20
from $132.96
Atturo AZ850 255/50R20
from $133.96
Goodyear Assurance Finesse 255/50R20
from $135.00
Accelera Iota ST68 255/50R20
from $141.99
Achilles Desert Hawk HT3 255/50R20
from $143.99
Laufenn S Fit AS 255/50R20
from $153.97
Milestar MS932 Sport 255/50R20
from $158.95Shop more 255/50R20 tires with tire finder.
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