Toyo Open Country Q/T P255/65R18 Open Country Q/T
Toyo

Open Country Q/T

P255/65R18
All-Season M+S
$174.53/tire $232.71
Set of 4: $698.12
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

SizeP255/65R18 Open Country Q/T
Width255 mm
Aspect ratio65
Rim diameterR18
Load index109
Speed ratingS
Load rangeSL
SeasonAll-Season
UTQG680 A B
Treadwear warranty65,000 miles
Tread depth12.7/32"
Weight39.3 lbs
Max pressure44 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 P255/65R18 size

In the size code 255/65R18, 255 is the section width in millimetres (about 10"). 65 is the aspect ratio — the sidewall height is 65% of the width, or roughly 165.8 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 31.1".

The load index 109 means each tire supports up to 2,271 lbs — about 9,084 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 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 680 A B. The treadwear grade of 680 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 B reflects heat resistance at sustained speed (A is highest).

Price and value

At $174.53 per tire, a full set of four costs $698.12. That sits close to the average for the 68 tires we stock in this size. Backed by a 65,000-mile treadwear warranty, that works out to roughly $10.74 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 255/65R18 mean?

255 is the section width in millimetres, 65 is the aspect ratio (sidewall height as a percentage of width, about 165.8 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 31.1 inches.

What are the load and speed ratings of the Toyo Open Country Q/T P255/65R18?

Its load index of 109 allows up to 2,271 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 Q/T P255/65R18 tires cost?

A single tire is $174.53 and a set of four is $698.12, 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 P255/65R18. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 255/65R18

Toyo Celsius CUV P255/65R18 Celsius Cuv
Toyo
Celsius CUV
P255/65R18
All-Weather 3PMSF
$151.66/tire
$606.64 set of 4
Toyo Celsius II 255/65R18 Celsius Ii
Toyo
Celsius II
255/65R18
All-Weather 3PMSF
$162.07/tire
$648.28 set of 4