245/30-R22 tires are 2.11 inches (53.5 mm) larger in diameter than 245/45-R17 tires and the speedometer difference is 7.6%. 245/45-R17 tires are 0.02 inches (0.5 mm) larger in diameter than 275/40-R17 tires and the speedometer difference is 0.1%. 245/45-R17 tires are 0.65 inches (16.5 mm) larger in diameter than 255/40-R17 tires and the speedometer difference is 2.5%. 245/45-17 255/40-17 Difference; Diameter inches (mm) 25.68 (652.3) 25.03 (635.8)-0.65 (-16.5) -2.5%: Width inches (mm) 9.65 (245) 10.04 (255) 0.39 (10) 4.1%: Circum. inches (mm) 80.68 (2049.26) 78.64 (1997.42)-2.04 (-51.84) -2.5%: Sidewall Height inches (mm) 4.34 (110.25) 4.02 (102)-0.32 (-8.25) -7.5%: Revolutions per mile (km) 785.33 (487.98 CALL US: 866-440-0177 LIVE CHAT. Here, you can find NEW 245/45R17 tires for your vehicle. A wide range with affordable prices, fast & FREE shipping on every purchase. Check offer now! . 245/45-R17 tires are 3.28 inches (83.3 mm) larger in diameter than 235/40-R15 tires and the speedometer difference is 12.8% .

245 40 r17 vs 245 45r17