Michelin’s Pilot Sport 4 S Tire Scores High in Japanese Grading System

Michelin recently received high marks in Japan for the Pilot Sport 4 S, one of the company’s performance tires. Under Japan’s tire grading system, the tire received an “A” for rolling resistance and an “a” (in some areas a “B-a”) for wet grip performance. Although not specialized for fuel-efficiency, the Pilot Sport 4 S gained notice due to its support…