🍹 Difference Between 40 And 45 Tires

225/45 18" will increase diameter by 4.8% (thus exceeding the 3% rule) and the sidewall height by 15mm, that is a very close call, on my rough calculations, for rubbing while cornering. 215/40-R18 vs 225/45-R18 Tire Comparison - Tire Size Calculator I think 215/45 18" should fit without problem the tire fenders even while steering around. 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 275/40 R20 and tire 245/45 R20 is significant. The 40 series tires roll with less resistance than the 45 series tires because they have 245/45-R18 tires are 1.12 inches (28.5 mm) larger in diameter than 240/40-R18 tires and the speedometer difference is 4.2%. 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 Alberta. Jul 7, 2020. #7. On my work truck I run them at 33 - 35 psi instead of the recommended 40 psi for a better ride on gravel roads, and actually get more miles out of a set as well. The gravel doesn't chew the tread up as quickly at the lower pressure. I don't even notice the low pressure light on the dash anymore. 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 285/45-R22 tires are 1.75 inches (44.5 mm) larger in diameter than 265/40-R22 tires and the speedometer difference is 5.4%. bQ92NnI.

difference between 40 and 45 tires