22545-R18 tires are 0.89 inches (22.5 mm) larger in diameter than 225/40-R18 tires and the speedometer difference is 3.4%
Inthe tire comparison table above, you can see a detailed calculation of the size difference between 235/50 R18 and 245/45 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/50 R18 is on top, and tire with size 245/45 R18 below. Both in the table and in the graph, the tires areBoth235/x/18 sizes are appropriate for that car. I believe the 235/45/18 was the tire size used in all the later S60s with the 18" wheel option, but the 235/40/18 would fit just fine, too, albeit with a smaller overall diameter (by exactly an inch, if memory serves) compared with the 235/45/18 version or 235/40/19 tire.
Compare235/45 R18 vs 225/45 R18. Tire Size and Comparison Calculator calculate tire diameter from code and compare speedometer differences for tire sizes. The first number 235 is the tire width in millimeters. The 2nd number 45 is used to calculate the sidewall height or "aspect ratio", by percentage.
Modifiedcars that use P 235/45 R18 tire size. We keep an updated collection of cars that gave up factory wheels and installed P 235/45 R18 instead as their aftermarket tire size. Each project is a unique experience with details on P 235/45 R18 installation issues or subsequent changes while driving.Also the online application calculates the difference in real speed and speedometer readings if the difference between tire 235/45 R18 and tire 255/40 R18 is significant. Calculate the difference in inches. If you want to compare other tire sizes, then select their sizes in the drop-down fields and click on the green button.Thecalculation results are presented in the form of visual infographics, on which tire with size 235/60 R18 is on top, and tire with size 235/65 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.
MostPopular 225/45-R17 Comparisons. vs 225/50-17 vs 235/45-17 vs 215/50-17 vs 225/40-18 vs 225/55-17 vs 215/45-17 vs 205/55-16 vs 205/50-17. 235/40-R18 tires are
Sizedifference between 245/60 R18 and 235/65 R17 tires. In the tire comparison table above, you can see a detailed calculation of the size difference between 245/60 R18 and 235/65 R17 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/60 R18 is on top, and tire with size 235/65 R17 below.23545-18 235/40-19 Difference; Diameter inches (mm) 26.33 (668.7) 26.4 (670.6) 0.07 (1.9) 0.3%: Width inches (mm) 9.25 (235) 9.25 (235) 0 (0) 0%: Circum. inches (mm) d9YLI.