Kumho Ecsta Sport PS72 255/45R18 XL Ecsta Sport PS72
Kumho

Ecsta Sport PS72

255/45R18 XL
Summer
$185.64/tire $247.52
Set of 4: $742.56
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.
Visa Mastercard American Express Shipped with DHL

🚚 Standard shipping across the country — delivered with DHL in 2-6 business days. 🔒 SSL-secured checkout.

↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.

Specifications

Size255/45R18 XL Ecsta Sport PS72
Width255 mm
Aspect ratio45
Rim diameterR18
Load index103
Speed ratingY
Load rangeXL
SeasonSummer
UTQG320 AA A
Treadwear warranty30,000 miles
Tread depth9.4/32"
Weight26.8 lbs
Max pressure50 psi
Severe snow (3PMSF)No
Run-flatNo

About the Kumho Ecsta Sport PS72

Summer Ultra High Performance Passenger Car tire Ideal for High Horsepower Vehicles, Including EVs.

Features

* Grippy compound* 30,000 Mile Treadwear Limited Warranty* Road Hazard Warranty

Benefits

* To grip the road and deliver heightened levels of performance in handling, stability, cornering and steering response* Help boost water excavation for performance in wet weather

Understanding the 255/45R18 XL size

In the size code 255/45R18, 255 is the section width in millimetres (about 10"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 114.8 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 27".

The load index 103 means each tire supports up to 1,929 lbs — about 7,716 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 Kumho Ecsta Sport PS72 is built for

The Kumho Ecsta Sport PS72 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 320 AA 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 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 $185.64 per tire, a full set of four costs $742.56. That sits close to the average for the 43 tires we stock in this size. Backed by a 30,000-mile treadwear warranty, that works out to roughly $24.75 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 255/45R18 mean?

255 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 114.8 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 27 inches.

What are the load and speed ratings of the Kumho Ecsta Sport PS72 255/45R18 XL?

Its load index of 103 allows up to 1,929 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 Kumho Ecsta Sport PS72 255/45R18 XL tires cost?

A single tire is $185.64 and a set of four is $742.56, covered by a 30,000-mile treadwear warranty.

Can the Kumho Ecsta Sport PS72 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 Ecsta Sport PS72 come in other sizes?

Yes — we stock 34 additional Ecsta Sport PS72 sizes besides 255/45R18 XL. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 255/45R18

Toyo Extensa HP II 255/45R18 XL Extensa HP Ii
Toyo
Extensa HP II
255/45R18 XL
All-Season
$151.60/tire
$606.40 set of 4
Toyo Proxes Sport 255/45ZR18 XL Proxes Sport
Toyo
Proxes Sport
255/45ZR18 XL
Summer
$149.03/tire
$596.12 set of 4
Pirelli Pzero (PZ4) 255/45R18 XL Pzero (PZ4-Sport) (I*)
Pirelli
Pzero (PZ4)
255/45R18 XL
$220.13/tire
$880.52 set of 4