195/60-R16 tires are 1.47 inches (37.4 mm) larger in diameter than 185/60-R15 tires and the speedometer difference is 5.8% In the tire comparison table above, you can see a detailed calculation of the size difference between 185/60 R15 and 205/55 R15 tire. The calculation results are presented in the form of visual infographics, on which tire with size 185/60 R15 is on top, and tire with size 205/55 R15 below. Both in the table and in the graph, the tires are 185/60-R14 tires are 1.6 inches (40.6 mm) larger in diameter than 195/40-R15 tires and the speedometer difference is 7.0%. 205/50-R16 tires are 0.14 inches (3.6 mm) smaller in diameter than 195/60-R15 tires and the speedometer difference is 0.6% 195/65-R15 tires are 1.97 inches (50 mm) larger in diameter than 185/55-R15 tires and the speedometer difference is 7.9%. In the tire comparison table above, you can see a detailed calculation of the size difference between 195/55 R15 and 195/50 R16 tire. The calculation results are presented in the form of visual infographics, on which tire with size 195/55 R15 is on top, and tire with size 195/50 R16 below. Both in the table and in the graph, the tires are J9GHyO.

195 55 r15 vs 185 60 r15