Accepts P-Metric and Inches
245/65-17 | 255/60-18 | Difference | |
---|---|---|---|
Diameter inches (mm) | 29.54 (750.3) | 30.05 (763.2) | 0.51 (12.9) 1.7% |
Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
Circum. inches (mm) | 92.8 (2357.14) | 94.4 (2397.66) | 1.6 (40.53) 1.7% |
Sidewall Height inches (mm) | 6.27 (159.25) | 6.02 (153) | -0.25 (-6.25) -3.9% |
Revolutions per mile (km) | 682.75 (424.24) | 671.21 (417.07) | -11.54 (-7.17) -1.7% |
255/60-18 Tires
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.34 mph (32.74 km/h) |
25 mph (40.23 km/h) | 25.43 mph (40.93 km/h) |
30 mph (48.28 km/h) | 30.52 mph (49.11 km/h) |
35 mph (56.33 km/h) | 35.6 mph (57.3 km/h) |
40 mph (64.37 km/h) | 40.69 mph (65.48 km/h) |
45 mph (72.42 km/h) | 45.77 mph (73.67 km/h) |
50 mph (80.47 km/h) | 50.86 mph (81.85 km/h) |
55 mph (88.51 km/h) | 55.95 mph (90.04 km/h) |
60 mph (96.56 km/h) | 61.03 mph (98.22 km/h) |
65 mph (104.61 km/h) | 66.12 mph (106.41 km/h) |
70 mph (112.65 km/h) | 71.2 mph (114.59 km/h) |
75 mph (120.7 km/h) | 76.29 mph (122.78 km/h) |
80 mph (128.75 km/h) | 81.38 mph (130.96 km/h) |
85 mph (136.79 km/h) | 86.46 mph (139.15 km/h) |
90 mph (144.84 km/h) | 91.55 mph (147.33 km/h) |
95 mph (152.89 km/h) | 96.63 mph (155.52 km/h) |
100 mph (160.93 km/h) | 101.72 mph (163.7 km/h) |
2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1708 | 1984 | 2137 | 2231 | 2333 | 2406 | 2486 | 2580 | 2711 | 2842 | 2987 | 3104 | 3314 | 3547 | 3729 | 3845 | 3910 | 4150 | 4485 | 5212 |
Better Fuel Economy Factory Ratios Increased Power