Looking for an answer to the question: Are 265 75r15 the same as 31x10 5r15? On this page, we have gathered for you the most accurate and comprehensive information that will fully answer the question: Are 265 75r15 the same as 31x10 5r15? The standard size of the 31x10.50 is 30.5 inches in diameter and 10.5 inches wide. For replacement tires, the 265/75R15 … [Read more...] about Are 265 75r15 the same as 31×10 5r15?