Yes, P195 60R15 tires are interchangeable with 60R15 tires. The "P" stands for "passenger car," and the "195" indicates the width of the tire in millimeters. The "60" represents the aspect ratio, which is a percentage that specifies the ratio of the tire's height to its width. The "R" indicates that the tire is a radial tire, constructed with cords that run radially from bead to bead. The "15" refers to the diameter of the tire in inches measured from bead seat to bead seat.
Therefore, P195 60R15 and 60R15 tires are both passenger car radial tires with the same aspect ratio and diameter, and they can be used interchangeably.
