Toyo Open Country Q/T 275/45R21 XL Open Country Q/T
Toyo

Open Country Q/T

275/45R21 XL
All-Season M+S
$251.54/tire $335.38
Set of 4: $1006.16
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 XL Open Country Q/T
Width275 mm
Aspect ratio45
Rim diameterR21
Load index110
Speed ratingW
Load rangeXL
SeasonAll-Season
UTQG620 A A
Treadwear warranty65,000 miles
Tread depth11/32"
Weight36.3 lbs
Max pressure50 psi
Severe snow (3PMSF)No
Run-flatNo

About the Toyo Open Country Q/T

All-Season Passenger CUV/SUV Touring tire.

Features

* Four wide circumferential grooves* Open lateral slits* Silent Wall Technology* Multi-wave sipes* 65,000 Mile/105,000 Km Limited Treadwear Warranty* 500 Mile Trial Offer

Benefits

* Evacuates water to improve wet traction* Improves water drainage for better wet performance* Provides a quieter ride by reducing pipe resonance* Minimize irregular wear, Improves braking on wet and dry roads and improves light snow traction

Understanding the 275/45R21 XL 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 110 means each tire supports up to 2,337 lbs — about 9,348 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.

What the Toyo Open Country Q/T is built for

The Toyo Open Country Q/T is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. Fitment category: Passenger Car, SUV/CUV, Performance, Touring.

Tread life and grip ratings

This tire carries a UTQG rating of 620 A A. The treadwear grade of 620 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 $251.54 per tire, a full set of four costs $1006.16. That is about 19% below the average price of the 73 tires we stock in this size. Backed by a 65,000-mile treadwear warranty, that works out to roughly $15.48 per 1,000 miles across the set.

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 Q/T 275/45R21 XL?

Its load index of 110 allows up to 2,337 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 Q/T 275/45R21 XL tires cost?

A single tire is $251.54 and a set of four is $1006.16, covered by a 65,000-mile treadwear warranty.

Does the Open Country Q/T come in other sizes?

Yes — we stock 41 additional Open Country Q/T sizes besides 275/45R21 XL. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 275/45R21

Toyo Celsius Sport 275/45R21 XL Celsius Sport
Toyo
Celsius Sport
275/45R21 XL
All-Weather 3PMSF
$296.70/tire
$1186.80 set of 4