GT Radial Adventuro ATX P275/55R20 Tires
GT Radial Adventuro ATX P275/55R20 SL 111H is an all-terrain tire priced from $231.99.
GT Radial Adventuro ATX P275/55R20 SL 111H Tire Specs
P275/55R20 is a P-Metric tire used as an original equipment on a variety of popular pickup trucks and sport utility vehicles. It also comes in a LT-Metric (LT275/55R20) and a Metric (275/55R20) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
P indicates that P275/55R20 is a passenger tire.
275 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 P275/55R20 tire is 275 millimeters.
55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For P275/55R20 tire, the sidewall height is 55% of its tread width.
R denotes that P275/55R20 tire has radial construction.
20 represents the wheel diameter in inches that the tire is designed to fit. P275/55R20 can be mounted on rims with 20 inches in diameter.
SL denotes the load range of a tire. Standard Load or SL tires are typically found on passenger cars, smaller SUVs, and light trucks. These tires are designed to operate at standard inflation pressures and are not meant for carrying heavy loads.
111 indicates the load index. A tire with a load index of 111 can support a maximum load of 2403 pounds or 1090 kilograms per tire.
H indicates the speed rating. A tire with a speed rating of H is approved for speeds up to 130 miles per hour or 209 kilometers per hour under optimal conditions.
Maximum inflation for GT Radial Adventuro ATX P275/55R20 tire is 44 psi.
Uniform Tire Quality Grading System (UTQG) rating for GT Radial Adventuro ATX P275/55R20 tire is 520 A B.
Tire manufacturer part number (MPN) is 100UA3711.

P275/55R20 Dimensions Chart
GT Radial Adventuro ATX P275/55R20 tire has a diameter of 31.9", a width of 10.8", mounts on a 20" rim, and makes 632 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 275 mm | 10.8" |
Aspect Ratio | 55% | |
Rim Diameter | 508 mm | 20" |
Tire Diameter | 810 mm | 31.9" |
Sidewall Height | 151 mm | 5.9" |
Circumference | 2543 mm | 100.2" |
Revolutions | 393 per km | 632 per mile |
More P275/55R20 Tires
Here are the lowest priced tires availabe in P275/55R20 tire size.

GT Radial Adventuro AT3 P275/55R20
from $145.66
GT Radial Savero HT2 P275/55R20
from $147.66
Milestar Patagonia H/T P275/55R20
from $161.95
Dunlop SP Sport 5000 M P275/55R20
from $168.94
GT Radial Adventuro HT P275/55R20
from $184.99
Goodyear Eagle LS2 P275/55R20
from $201.99
Bridgestone Dueler H/L Alenza Plus P275/55R20
from $206.74
Bridgestone Dueler H/L Alenza P275/55R20
from $207.96Shop more P275/55R20 tires with tire finder.
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