Inthe tire comparison table above, you can see a detailed calculation of the size difference between 235/60 R18 and 245/45 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/60 R18 is on top, and tire with size 245/45 R18 below. Both in the table and in the graph, the tires are
23560-R18 tires are 0.93 inches (23.5 mm) smaller in diameter than 235/65-R18 tires and the speedometer difference is 3.1%. Tech Scroll : Start Over Select Another Size. Expanded View. View Mode: 235-45R18, 235-40R18, 245-45R18 tire size comparison with Size calculator. Use our . 281 135 230 25 74 35 424 194