Tier size can be changeable under certain condition. Interchangeability is not always possible because of differences in load rating, tire dimensions, wheel well clearances, and rim size.
Be used only in pairs on the same axle, radial tires should be used only in sets of four.
Never mix tires of different sizes or construction on the same axle. When replacing conventional tire sizes with other size designations, be sure to check the car manufacturer's recommendations.