235/50-R18 tires are 0.93 inches (23.5 mm) larger in diameter than 235/45-R18 tires and the speedometer difference is 3.4%. 275/45-R20 tires are 1.08 inches (27.5 mm) larger in diameter than 275/40-R20 tires and the speedometer difference is 3.7%. Sidewall and Tire Aspect Ratio 45 vs 55. The ruling difference between 45 and 50 profile tires is in their sidewall. While it is true that the difference between the sidewall and aspect ratio of 45 and 50 profile tires is just 5%, 5% can make a lot of difference. Calculating the 5% percentage differences for a 195mm tire will give a 9.75mm. Common Difference Between 245 and 275 Tires. 01. Weight. 275 tire size is undeniably the larger tire between these two, with about 30mm more on its diameter than 245. While 245 measures 27 lbs, 275 is approximately 55 lbs each. It means that 275 is about 28 lbs heavier than 245 size tires. 275/50-R22 tires are 0.73 inches (18.5 mm) larger in diameter than 285/45-R22 tires and the speedometer difference is 2.2%. 245/45-R19 tires are 0.65 inches (16.5 mm) larger in diameter than 255/40-R19 tires and the speedometer difference is 2.3%. In the tire comparison table above, you can see a detailed calculation of the size difference between 245/45 R18 and 245/40 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/45 R18 is on top, and tire with size 245/40 R18 below. Both in the table and in the graph, the tires are 225-40R18 tire size comparison with 1010tires.com Tire Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height Use our tire size comparison calculator to find all your tire comparison needs. Our tire size comparison calculator takes two tire sizes and directly calculates the differences between the tires diameter, width, sidewall, circumference and revolutions per mile. OVsKjSb.

difference between 40 and 45 tires