Toyo Proxes Sport A/S 275/40R18 Proxes Sport A/S
Toyo

Proxes Sport A/S

275/40R18
All-Season M+S
$176.77/tire $235.70
Set of 4: $707.08
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

Size275/40R18 Proxes Sport A/S
Width275 mm
Aspect ratio40
Rim diameterR18
Load index99
Speed ratingY
Load rangeSL
SeasonAll-Season
UTQG440 AA A
Treadwear warranty40,000 miles
Tread depth9.7/32"
Weight31 lbs
Max pressure51 psi
Severe snow (3PMSF)No
Run-flatNo

About the Toyo Proxes Sport A/S

All-Season Ultra-High Performance Passenger Car Tire.

Features

* Optimized asymmetric tread design* New tread compound* Multi-wave sipes* Select High Load (HL) capacity sizes* M+S Rated* 50,000 Mile Treadwear Warranty

Benefits

* High stiffness outer rib provides stability for enhanced cornering performance* High sipe density inner ribs improve braking on wet and dry roads while offering competitive light snow traction* Minimize irregular wear for a quiet ride throughout the life of the tire* Improve wet and dry performance* Enable additional electric, hybrid, and plus fitment opportunities and OEM fitments

Understanding the 275/40R18 size

In the size code 275/40R18, 275 is the section width in millimetres (about 10.8"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 110 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 26.7".

The load index 99 means each tire supports up to 1,709 lbs — about 6,836 lbs across a full set of four. The speed symbol Y certifies the tire to 186 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 Proxes Sport A/S is built for

The Toyo Proxes Sport A/S 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, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 440 AA A. The treadwear grade of 440 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 AA 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 $176.77 per tire, a full set of four costs $707.08. That is about 27% below the average price of the 51 tires we stock in this size. Backed by a 40,000-mile treadwear warranty, that works out to roughly $17.68 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 275/40R18 mean?

275 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 110 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 26.7 inches.

What are the load and speed ratings of the Toyo Proxes Sport A/S 275/40R18?

Its load index of 99 allows up to 1,709 lbs per tire. Its speed rating of Y is certified to 186 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 Proxes Sport A/S 275/40R18 tires cost?

A single tire is $176.77 and a set of four is $707.08, covered by a 40,000-mile treadwear warranty.

Does the Proxes Sport A/S come in other sizes?

Yes — we stock 150 additional Proxes Sport A/S sizes besides 275/40R18. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 275/40R18

Toyo Extensa HP II 275/40R18 Extensa HP Ii
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Toyo Proxes Sport 275/40ZR18 Proxes Sport
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Nexen Nfera SU1 275/40R18 XL Nfera SU1
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Nitto NT555 G2 275/40ZR18 XL NT555 G2
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$197.25/tire
$789.00 set of 4