Thecalculation results are presented in the form of visual infographics, on which tire with size 245/60 R18 is on top, and tire with size 265/60 R18 below. 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. Thecalculation results are presented in the form of visual infographics, on which tire with size 265/40 R18 is on top, and tire with size 245/40 R18 below. 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. Thedifference in sizes and parameters between the 245/40 R18 tire and 235/50 R18 tire. Detailed calculations and graphics. Calculate the difference in inches. Themain difference between tire sizes 235/45r18 and 245/45r18 is in the section width. The 245/45r18 is wider by 0.39 inches (10mm). This difference affects various performance 27540-R18 tires are 0.02 inches (0.5 mm) smaller in diameter than 245/45-R18 tires and the speedometer difference is 0.1%. Thecalculation results are presented in the form of visual infographics, on which tire with size 235/45 R18 is on top, and tire with size 245/40 R18 below. 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. Thecalculation results are presented in the form of visual infographics, on which tire with size 235/55 R18 is on top, and tire with size 245/55 R18 below. 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. Inthis case, the 235/40r18 tire has an aspect ratio of 40%, while the 235/45r18 tire has an aspect ratio of 45%. This means the 235/45r18 tire has a taller sidewall than the 235/40r18 tire. 235/45r18 vs 235/40r18 This table provides a quick overview of the main differences between the two sizes. Fitment Guide. The 235/45R18 is 3.6% larger in 23545R18, 235-40R18, 245-45R18 tire size comparison with Size calculator. Use our tire calculator to compare tire sizes based on tire diameter, radius, sidewall height, circumference, revs per mile and speedometer difference. 4.40 mph diff 4.40 mph diff. Speed Variance. 3.64% too fast. Diameter Variance-3.51 %: Show 3vKaSeq.

235 45 r18 vs 245 40 r18