Toyo Open Country A/T III EV LT275/55R20 E Open Country A/T Iii EV
Toyo

Open Country A/T III EV

LT275/55R20 E
All-Weather 3PMSF M+S
$276.82/tire $369.09
Set of 4: $1107.28
Minimum order: 4 tires (sizes can be mixed) ? Selling in sets of 4 is how we keep our prices this low — and a matching set keeps your car balanced and safe.
Most drivers replace all four for even wear and handling.
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Specifications

SizeLT275/55R20 E Open Country A/T Iii EV
Width275 mm
Aspect ratio55
Rim diameterR20
Load index120/117
Speed ratingS
Ply rating10
SeasonAll-Weather
Treadwear warranty50,000 miles
Tread depth16.4/32"
Weight53 lbs
Max pressure80 psi
Severe snow (3PMSF)Yes
Run-flatNo

About the Toyo Open Country A/T III EV

All-Weather All-Terrain Passenger Light Truck/SUV tire Specifically Designed for Electric Vehicles.

Features

* Aerodynamic sidewall* Staggered shoulder lugs* More evenly distributed void area* Stone ejecting blocks* Increased lateral grooves* 3D multi-wave sipes* 50,000 Mile Limited Treadwear Warranty (LT and Flotation Sizes)* 65,000 Mile Limited Treadwear Warranty (P/Euro-Metric Sizes)* M+S Rated* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol

Benefits

* Provides rugged all-terrain performance and appearance* Enhance off-road traction with biting edges* Increases tread block rigidity for excellent handling and stability* Provides better worn appearance* Eject stone from grooves* Enhance traction on all surfaces, including snow* Help reduce irregular wear* Meets the required performance criteria for Use in Severe Snow Conditions

Understanding the LT275/55R20 E size

In the size code 275/55R20, 275 is the section width in millimetres (about 10.8"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 151.3 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 31.9".

The load index 120 means each tire supports up to 3,086 lbs — about 12,344 lbs across a full set of four. The speed symbol S certifies the tire to 112 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

What the Toyo Open Country A/T III EV is built for

The Toyo Open Country A/T III EV is an all-weather tire — a year-round option certified for severe snow service, so it can stay on the vehicle through winter. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test. It is classified for all-terrain (a/t) use.

Price and value

At $276.82 per tire, a full set of four costs $1107.28. That is about 36% above the average of the 156 tires we stock in this size, reflecting its position in the range. Backed by a 50,000-mile treadwear warranty, that works out to roughly $22.15 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 275/55R20 mean?

275 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 151.3 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 31.9 inches.

What are the load and speed ratings of the Toyo Open Country A/T III EV LT275/55R20 E?

Its load index of 120 allows up to 3,086 lbs per tire. Its speed rating of S is certified to 112 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.

How much does a set of 4 Toyo Open Country A/T III EV LT275/55R20 E tires cost?

A single tire is $276.82 and a set of four is $1107.28, covered by a 50,000-mile treadwear warranty.

Is the Toyo Open Country A/T III EV rated for snow?

Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.

Does the Open Country A/T III EV come in other sizes?

Yes — we stock 15 additional Open Country A/T III EV sizes besides LT275/55R20 E. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 275/55R20

Toyo Open Country C/T LT275/55R20 D Open Country C/T
Toyo
Open Country C/T
LT275/55R20 D
All-Weather 3PMSF
$266.81/tire
$1067.24 set of 4