Inthe tire comparison table above, you can see a detailed calculation of the size difference between 235/35 R19 and 255/30 R19 tire. The calculation results are presented in the form of visual infographics, on which tire with size 235/35 R19 is on top, and tire with size 255/30 R19 below. Both in the table and in the graph, the tires are 5233 6081. Better Fuel Economy Factory Ratios Increased Power. 245/35-R19 tires are 0.04 inches (0.9 mm) larger in diameter than 245/40-R18 tires and the speedometer difference is 0.1%. Ifmy understanding of tire ratings are correct, it does actaully increase the diameter of the tire also. 235/40 means 235mm wide tires with 40% of that size sidewalls, so 94mm sidewalls. The 225/40 still have the same ratio there fore they are not only narrower but slightly smaller, 90mm sidewalls. 24550 R18 100Y C: A: 70: 11.83kgs: 235/35 R19 91Y XL 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. 225235 245 255 265 27 275 28 285 295 30 305 31 315 32 325 33 335 35 355 7.00 7.50 Height (%) 55. 35 40 45 50 60 65 70 75 80 Diameter (") 16. 15 17 19 Original size Also known as equivalents, these are you couldn’t go up from a 185/80 R13 to a 225/40 R18 tyre due to a look of space in the wheel arch. Cars just aren’t designed to 2023Tyre Reviews Winter Tyre Test - 1st of 13 tyres. Positive - Best in wet handling and wet braking, good in the snow, high levels of comfort, very low rolling resistance. Negative - Extended dry braking and dry handling, average aquaplaning resistance. Overall - The Bridgestone Blizzak LM005 is an awesome tyre, it was the only tyre that 23555-R19 tires are 0.55 inches (13.9 mm) larger in diameter than 225/60-R18 tires and the speedometer difference is 1.9%. 22540 R18 92Y XL C: A: 72: 11.62kgs: 235/40 R18 95Y XL 2020-05-11 - is the rainsport 5 235/35/r19 91y xl fr compatible with my porsche Boxster 3.4s. Assuming that is the side for your Boxster then the RainSport 5 is compatible. I've not tested the tyre yet, so I'm not sure if it will be a good match. Sizedifference between 245/55 R19 and 235/65 R18 tires. In the tire comparison table above, you can see a detailed calculation of the size difference between 245/55 R19 and 235/65 R18 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/55 R19 is on top, and tire with size 235/65 R18 below. RunFlat Tyres. Puncturing a tyre is a stressful prospect for any driver, especially if you’re far away from a garage or in the middle of the countryside. Read more. Buy the best run flat tyres to keep your vehicle moving even when you get a puncture. Buy online and receive free fitting at your local Halfords Autocentre. VtX0z4.