Ecsta Sport S PS72S

About the Kumho Ecsta Sport S PS72S

Summer Max Performance Passenger Car tire.

Features

* Enhanced compound and tread design* 30,000 Mile Limited Treadwear Warranty* Road Hazard Warranty* 30-Day Satisfaction Guaranteed Trial 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 315/30R21 XL size

In the size code 315/30R21, 315 is the section width in millimetres (about 12.4"). 30 is the aspect ratio — the sidewall height is 30% of the width, or roughly 94.5 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 28.4".

The load index 105 means each tire supports up to 2,039 lbs — about 8,156 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 S PS72S is built for

The Kumho Ecsta Sport S PS72S 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.

Tread life and grip ratings

This tire carries a UTQG rating of 260 AA A. The treadwear grade of 260 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 $330.72 per tire, a full set of four costs $1322.88. That is about 34% below the average price of the 26 tires we stock in this size. Backed by a 30,000-mile treadwear warranty, that works out to roughly $44.10 per 1,000 miles across the set.