Dear Car Talk: Can you tell me why tire sizes are designated as they are? If I understand correctly, we have metric, English and a ratio. Like, a “235-75R15” tire is 235 millimeters wide, has a ...

We've explained dozens of times over the years the difference between P-metric and imperial tire sizes so we won't cover a whole lot of the same ground, but we really haven't published a conversion ...

AKRON, Ohio — Goodyear has announced new Dunlop tires to fill out its commercial tire line. The company is rolling out new tires and sizes in mixed-service to go along with its full line of Dunlop ...

COSTA MESA, Calif. — Toyo Tire U.S.A. Corp. has added two sizes to its Toyo M655 Power Line medium truck drive tire portfolio. The sizes, 22.5- and 24.5-inch, broaden Toyo Tire's M655 commercial tire ...