Inthe tire comparison table above, you can see a detailed calculation of the size difference between 255/40 R18 and 255/35 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 255/40 R18 is on top, and tire with size 255/35 R18 below. Both in the table and in the graph, the tires are
22545/18 vs 255/40/18 tires in the rear! The 245's definitely look better on the rears, from a purely cosmetic standpoint. But the tradeoff is extra unsprung weight, more rolling mass, more wind resistance, and higher replacement cost. TBH none of the negatives outweigh the purely cosmetic look to me, so I prefer to get 245 or wider on the
21545-R18 tires are 0.53 inches (13.5 mm) larger in diameter than 225/40-R18 tires and the speedometer difference is 2.1%.
The245/40R18 tire has the following features: the first three digits 245 refer to the width of the tire in millimetres. The second two-digit number 40 refers to the ratio between the height of the sidewall and the width of the tire. R stands for “Radial” and the last two figures 18 indicate the wheel diameter in inches.The225/45R18 tyre has the following features: the first three digits 225 refer to the width of the tyre in millimetres. The second two-digit number 45 refers to the ratio between the height of the sidewall and the width of the tyre. R stands for “Radial” and the last two figures 18 indicate the wheel diameter in inches.
Thefirst three numbers (245) is 245mm and is the width of the tire measured from sidewall to sidewall with the tire mounted on the recommended width rim. 45 is the "aspect ratio" of the sidewall. In other words, the height of the sidewall is 45% of the width, or in your case ~110mm. The letter is the speed rating of the tire.
24545 R18 100Y XL C: A 2018-03-17 - Hi, for a Honda Civic 1.8 petrol 2010 tyres 225/40/R18 Y XL would Michelin PS4 or Pirelli PZero PZ4 give best ride comfort? I know Goodyear Asmm. 3 offer good ride but currently I have Potenza S001 at front PS3 rear so concerned about softer sidewall of Goodyears. Many thanks.
Compare225/60 R16 vs 245/45 R18. Tire Size and Comparison Calculator calculate tire diameter from code and compare speedometer differences for tire sizes. The first number 225 is the tire width in millimeters. The 2nd number 60 is used to calculate the sidewall height or "aspect ratio", by percentage. So, the sidewall height of a 225/60 R 16 Inthe tire comparison table above, you can see a detailed calculation of the size difference between 225/40 R18 and 235/45 R18 tire. The calculation results are presented in theInthe tire comparison table above, you can see a detailed calculation of the size difference between 245/40 R18 and 245/45 R17 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/40 R18 is on top, and tire with size 245/45 R17 below. Both in the table and in the graph, the tires areSizesfor comparison of tires 225/45 R18 R18 215/45 R18 -1.4% 225/40 R18 -3.5% 225/50 R18 +3.3% 235/40 R18 -2.3% 235/45 R18 +1.4% 245/40 R18 -1.1% 245/45 R18 +2.7%
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 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.24540 R18 93Y XL E: A: 70: 11.96kgs: 225/45 R18 91Y XL Lexus recommends 245 40 r18 93 y. But is it better to go with the 97 xl as the car has 345 horsepower? Or is the difference too small? Fitting the higher load rated Goodyear Eagle Asymmetric 5 is perfectly legal, and while the differences might be small between the 93 and 97 load