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Toyo Open Country A50 275/45R21 Open Country A50
Toyo

Open Country A50

275/45R21
$291.65/tire $388.87
Set of 4: $1166.60
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

Size275/45R21 Open Country A50
Width275 mm
Aspect ratio45
Rim diameterR21
Load index107
Speed ratingW
Load rangeSL
UTQG300 A A
Tread depth9.2/32"
Weight34 lbs
Max pressure51 psi
Severe snow (3PMSF)No
Run-flatNo

About the Toyo Open Country A50

OE Passenger SUV Tire.

Features

* Lower rolling resistance* Good dry and wet performance, comfortable ride and snow performance

Benefits

* Meets stringent OE requirements

Understanding the 275/45R21 size

In the size code 275/45R21, 275 is the section width in millimetres (about 10.8"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 123.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30.7".

The load index 107 means each tire supports up to 2,149 lbs — about 8,596 lbs across a full set of four. The speed symbol W certifies the tire to 168 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.

Tread life and grip ratings

This tire carries a UTQG rating of 300 A A. The treadwear grade of 300 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).

Price and value

At $291.65 per tire, a full set of four costs $1166.60. That sits close to the average for the 73 tires we stock in this size.

Frequently asked questions

What does the tire size 275/45R21 mean?

275 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 123.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30.7 inches.

What are the load and speed ratings of the Toyo Open Country A50 275/45R21?

Its load index of 107 allows up to 2,149 lbs per tire. Its speed rating of W is certified to 168 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 A50 275/45R21 tires cost?

A single tire is $291.65 and a set of four is $1166.60.

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