The 215/55R16 tire has the following features: the first three digits 215 refer to the width of the tire in millimetres. The second two-digit number 55 refers to the ratio between the height of the sidewall and the width of the tire. R stands for “Radial” and the last two figures 16 indicate the wheel diameter in inches. In the tire comparison table above, you can see a detailed calculation of the size difference between 205/55 R16 and 205/60 R16 tire. The calculation results are presented in the form of visual infographics, on which tire with size 205/55 R16 is on top, and tire with size 205/60 R16 below. Both in the table and in the graph, the tires are On top of that, given the fact that 195/55r16 is the original equipment tire size, you may also emulate the difference between your actual speed and speedometer readings after installing the 195/65r15 tires. Chances are high that you will want to calibrate your speedometer! Other sizes often compared: 195/55r16 vs 235/50r16; 205/50r17 vs 195/65r15 Tire Size Calculator - Tire & Wheel Plus Sizing. BETA. 1.28% too fast. -0.52% too slow. 1.28% too fast. -0.52% too slow. 205-65R16, 215-60R16, 225-60R16 tire size comparison with 1010tires.com Tire Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height, circumference, revs per mile and Tires in every car can be a mystery to others. However, our primary focus is on the 215 and 245 tires. First, we will discuss if the 215 and 245 tires can be interchanged. Then, we will discuss the differences between 215 tires and 245 tires. We will also be discussing the differences between 215 tires and 245 tires. Let us get started. Typically, using tires that differ in diameter by more than 3% compared to the original tires is not advised. The overall diameter of a 205/55r16 tire size is 24.88 inches. The 195/55r16 tire has an overall diameter of 24.44 inches. When you calculate the difference between these two tire sizes, it comes to approximately 0.43 inches or about 1.8%. 215/85R16 205/45R16 205/50R16 205/55R16 205/60R16 205/65R16 195/50R16 195/55R16 195/60R16 185/55R16 285/75R16 FIND YOUR TIRE Finding the perfect 16 inch tire for Both in the table and in the graph, the tires are compared according to the following indicators: overall diameter, section width, circumference, sidewall height and clearance. Also, the online application calculates the difference in real speed and speedometer readings if the difference between tire 215/55 R16 and tire 215/60 R17 is significant. 205/55-R16 tires are 2.13 inches (54 mm) smaller in diameter than 215/65-R16 tires and the speedometer difference is 7.8%. 215/50-R17 tires are 0.59 inches (14.9 mm) larger in diameter than 205/55-R16 tires and the speedometer difference is 2.3%. 0TRSP8.