Michelin Pilot Sport 4S 205/40ZR18 XL Pilot Sport 4S
Michelin

Pilot Sport 4S

205/40ZR18 XL
Summer
$212.24/tire $282.99
Set of 4: $848.96
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

Size205/40ZR18 XL Pilot Sport 4S
Width205 mm
Aspect ratio40
Rim diameterR18
Load index86
Speed rating(Y)
Load rangeXL
SeasonSummer
UTQG300 AA A
Treadwear warranty30,000 miles
Tread depth9.5/32"
Weight19.4 lbs
Max pressure50 psi
Severe snow (3PMSF)No
Run-flatNo

About the Michelin Pilot Sport 4S

Summer Ultra High Performance Passenger Car tire.

Features

* Dynamic Response Technology adapts to the road* Revolutionary multi-compound construction* Total Performance™ overcomes the usual trade-off of wear for grip* Premium design and deep rim protector* 30,000 Mile/50,000 Kilometer Manufacturer's Treadwear Limited Warranty* Standard Limited Warranty - All Michelin tires

Benefits

* For Ultra-precise steering, outstanding cornering power and remarkably good tread life* Delivers unmatched levels of dry and wet grip* To deliver both incredible traction and improved tread life* Provides a dark velvet effect on external sidewalls whilst guarding against light wheel damage

Understanding the 205/40ZR18 XL size

In the size code 205/40R18, 205 is the section width in millimetres (about 8.1"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 82 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 24.5".

The load index 86 means each tire supports up to 1,168 lbs — about 4,672 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 Michelin Pilot Sport 4S is built for

The Michelin Pilot Sport 4S 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, CAR, Performance, UHP.

Tread life and grip ratings

This tire carries a UTQG rating of 300 AA 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 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 $212.24 per tire, a full set of four costs $848.96. That is about 13% above the average of the 15 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 $28.30 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 205/40R18 mean?

205 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 82 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 24.5 inches.

What are the load and speed ratings of the Michelin Pilot Sport 4S 205/40ZR18 XL?

Its load index of 86 allows up to 1,168 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 Michelin Pilot Sport 4S 205/40ZR18 XL tires cost?

A single tire is $212.24 and a set of four is $848.96, covered by a 30,000-mile treadwear warranty.

Can the Michelin Pilot Sport 4S 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 4S come in other sizes?

Yes — we stock 251 additional Pilot Sport 4S sizes besides 205/40ZR18 XL. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 205/40R18

Pirelli Cinturato P7 205/40R18 XL Cinturato P7 (*) Runflat
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Pirelli Pzero (PZ4) 205/40R18 XL Pzero (PZ4-Sport) Run Flat (*)
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Michelin Pilot Sport 4 205/40ZR18 XL Pilot Sport 4
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Michelin Pilot Sport 4 205/40R18 XL Pilot Sport 4 Run Flat
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Pilot Sport 4
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$246.74/tire
$986.96 set of 4