In the tire comparison table above, you can see a detailed calculation of the size difference between 225/60 R15 and 215/65 R15 tire. The calculation results are presented in the form of visual infographics, on which tire with size 225/60 R15 is on top, and tire with size 215/65 R15 below. Both in the table and in the graph, the tires are 195/55-R15 tires are 0.77 inches (19.5 mm) smaller in diameter than 195/60-R15 tires and the speedometer difference is 3.1%. Sep 12, 2020 · Kumar Raja. The 185/65-15 tire size is taller on the sidewall and likely to give a slightly softer ride vs the same tire in 175/65-15. But the overall performance of the tire will vary greatly with which tire category you select and even with the exact model of tire you choose so do your shopping carefully. Data Sources: *. Also, the online application calculates the difference in real speed and speedometer readings if the difference between tire 205/75 R15 and tire 185/65 R15 is significant. Calculate the difference in inches. If you want to compare other tire sizes, then select their sizes in the drop-down fields and click on the green button. Jun 2, 2019 · Given 85% while driving a Toyota Yaris Mk4 Hybrid 1.5 (XP210, M15A FXE) (185/65 R15) on a combination of roads for 500 spirited miles Switched to these from the 205/45R17 Bridgestone Ecopias that came with my Yaris Mk4, when I downgraded to 15" rims - Actually wanted Ventus Prime 3's but the dealer apparently has trouble reading beyond the 195/65-R15 tires are 0.77 inches (19.5 mm) larger in diameter than 195/60-R15 tires and the speedometer difference is 3.1%. .

difference between 175 65 r15 and 185 60 r15