Michelin

Pilot Sport 5

Name: Michelin Pilot Sport 5 255/40R18 XL
Brand: Michelin
SKU: 02366
Price: 231.74 USD
Availability: InStock

255/40R18 XL

Summer

$231.74/tire $308.99

Set of 4: $926.96

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Specifications

Size	255/40R18 XL Pilot Sport 5
Width	255 mm
Aspect ratio	40
Rim diameter	R18
Load index	99
Speed rating	W
Load range	XL

Season	Summer
UTQG	320 B A
Treadwear warranty	30,000 miles
Tread depth	9/32"
Weight	25.33 lbs
Max pressure	51 psi
Severe snow (3PMSF)	No
Run-flat	No

About the Michelin Pilot Sport 5

Summer Ultra High Performance Passenger Car Tire.

Features

* Dual sport tread design has an internal side with large longitudinal grooves and an external side with rigid blocks* Premium touch sidewall design* Wear2check indicator* 30,000 Mile Limited Treadwear Warranty

Benefits

* Flush water away for enhanced wet road traction and offers better grip on dry roads* Creates a sleek, matte-black aesthetic with a velvet like micro texture* Allows you to easily check and monitor the wear of the tire

Understanding the 255/40R18 XL size

In the size code 255/40R18, 255 is the section width in millimetres (about 10"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 102 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 26".

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 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 Michelin Pilot Sport 5 is built for

The Michelin Pilot Sport 5 is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 320 B A. The treadwear grade of 320 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 B 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 $231.74 per tire, a full set of four costs $926.96. That is about 19% above the average of the 71 tires we stock in this size, reflecting its position in the range. Backed by a 30,000-mile treadwear warranty, that works out to roughly $30.90 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 255/40R18 mean?

255 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 102 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 26 inches.

What are the load and speed ratings of the Michelin Pilot Sport 5 255/40R18 XL?

Its load index of 99 allows up to 1,709 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 Michelin Pilot Sport 5 255/40R18 XL tires cost?

A single tire is $231.74 and a set of four is $926.96, covered by a 30,000-mile treadwear warranty.

Can the Michelin Pilot Sport 5 be used in winter?

No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.

Does the Pilot Sport 5 come in other sizes?

Yes — we stock 27 additional Pilot Sport 5 sizes besides 255/40R18 XL. Fit only a size approved for your vehicle.