In the tire comparison table above, you can see a detailed calculation of the size difference between 245/40 R20 and 245/45 R20 tire. The calculation results are presented in the form of visual infographics, on which tire with size 245/40 R20 is on top, and tire with size 245/45 R20 below. Both in the table and in the graph, the tires are The 2022 Audi A4 40 TFSI employs a 2.0-liter turbocharged 4-cylinder engine good for 201 horsepower and a 0 to 60 mph time of 6.3 seconds. The A4 45 TFSI uses the same engine but with 261 horsepower and a 0 to 60 run of 5.2 seconds. Both cars come standard with quattro all-wheel drive and a 7-speed S tronic dual-clutch automatic transmission. Ans. Depending on the manufacturer, the 305/55r20 tire can be a true 33×12.5, whereas the 33×12.5 tire can sometimes be narrower than a proper 33″ and 12.5″ wide tire. Some brands offer metric tires with a deeper tread depth than standard sizes (33×12.5). So it can vary a little between the tires by different makers. Q. 235/50-R18 tires are 0.93 inches (23.5 mm) larger in diameter than 235/45-R18 tires and the speedometer difference is 3.4%. From 35 vs 40 tires models, we refer you to buy the 35 tires for your vehicle. The reasons behind this recommendation are its ability to enjoy highway and off-road travel during all time. Its unique models enhance the mud traction and provide a smooth resistance to traction. The compounds are made of good quality ingredients. 255/45-R19 tires are 1 inch (25.5 mm) smaller in diameter than 255/50-R19 tires and the speedometer difference is 3.5%. czdg. That is a LOT of road so I'd go 40mm, unless that 25% is really rough - like semi-technical single track. Another important consideration is if you intend these tires to be slicks or to have tread. Given how much road your suggesting id be temped to go 40 mm with tread and 45 mm slicks to try and keep the road riding from getting to sluggish Typical 275/45-19 = 28.7" diameter. Typical 275/40-19 = 27.7" diameter. 60 MPH proof (28.7*60)/27.7 = 2.166MPH difference. Ashetically, it will give a larger gap between the tire and the wheel well and that in itself may be enough to prevent a 7-series owner from buying the smaller diameter option. 225/35-R18 tires are 0.89 inches (22.5 mm) smaller in diameter than 225/40-R18 tires and the speedometer difference is 3.6%. 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 225/45 R18 and tire 215/40 R18 is significant. Better Fuel Economy Factory Ratios Increased Power. vs 225/50-17 vs 225/45-17 vs 235/45-17 vs 275/40-17 vs 255/45-17 vs 255/40-17. 255/45-R17 tires are 0.35 inches (9 mm) larger in diameter than 245/45-R17 tires and the speedometer difference is 1.4%. Yes, 245 and 255 tires are interchangeable. While the recommended rim width range for a 255 tire is typically 7.0 to 9.5 inches, it overlaps with the range of 7 to 8.5 inches for a 245 tire. This means that you can mount a 255 tire on a rim that’s within the 245 tire’s range without any issues.

difference between 40 and 45 tires