24540-R18 tires are 0.96 inches (24.5 mm) larger in diameter than 245/35-R18 tires and the speedometer difference is 3.8%. 23545-R18 vs 245/45-R18 Tire Comparison - Tire Size Calculator . 2014 Altima 3.5 SL-35% tint-6K Fogs. Save Share. Reply Quote Like. Sort by Oldest first Oldest first Newest first Most reactions. westly197. Accordingto a tire size calculator 245/40 is closer to stock so you would have a more accurate speedometer. I imagine a 245/45 is a more common tire size and will be cheaper. Its nearly hair splitting differences between the two of them, go with the size you get the best price for. 2003 Altima 2.5s (150k & going!) 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 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 24550-R18 tires are 0.53 inches (13.5 mm) smaller in diameter than 235/55-R18 tires and the speedometer difference is 1.9%. c625YN. Thedifference in sizes and parameters between the 235/45 R18 tire and 245/45 R18 tire. Detailed calculations and graphics. Calculate the difference in inches. 24540-R18 tires are 0.39 inches (9.9 mm) larger in diameter than 235/45-R17 tires and the speedometer difference is 1.5%. Inthe tire comparison table above, you can see a detailed calculation of the size difference between 235/45 R18 and 245/40 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/45 R18 is on top, and tire with size Thecalculation results are presented in the form of visual infographics, on which tire with size 225/45 R18 is on top, and tire with size 225/40 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. 23540 R18 95Y XL C: B: 72 245/40 R18 97Y XL (235/45 R18) on mostly country roads for 5,000 spirited miles Initially an ok tyre. Now after 5k miles acceleration in wet weather my vehicle struggles to put the power down. I don’t think the tyres will last longer than 10k miles 24550-R18 tires are 0.53 inches (13.5 mm) smaller in diameter than 235/55-R18 tires and the speedometer difference is 1.9%.

235 45 r18 vs 245 40 r18