Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-17 | 255/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 30.05 (763.3) | 2.44 (62) 8.8% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 86.74 (2203.2) | 94.41 (2397.98) | 7.67 (194.78) 8.8% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 6.53 (165.75) | 1.22 (31) 23% |
| Revolutions per mile (km) | 730.46 (453.88) | 671.13 (417.02) | -59.33 (-36.87) -8.1% |
255/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.77 mph (35.03 km/h) |
| 25 mph (40.23 km/h) | 27.21 mph (43.79 km/h) |
| 30 mph (48.28 km/h) | 32.65 mph (52.55 km/h) |
| 35 mph (56.33 km/h) | 38.09 mph (61.31 km/h) |
| 40 mph (64.37 km/h) | 43.54 mph (70.07 km/h) |
| 45 mph (72.42 km/h) | 48.98 mph (78.82 km/h) |
| 50 mph (80.47 km/h) | 54.42 mph (87.58 km/h) |
| 55 mph (88.51 km/h) | 59.86 mph (96.34 km/h) |
| 60 mph (96.56 km/h) | 65.3 mph (105.1 km/h) |
| 65 mph (104.61 km/h) | 70.75 mph (113.86 km/h) |
| 70 mph (112.65 km/h) | 76.19 mph (122.61 km/h) |
| 75 mph (120.7 km/h) | 81.63 mph (131.37 km/h) |
| 80 mph (128.75 km/h) | 87.07 mph (140.13 km/h) |
| 85 mph (136.79 km/h) | 92.51 mph (148.89 km/h) |
| 90 mph (144.84 km/h) | 97.96 mph (157.65 km/h) |
| 95 mph (152.89 km/h) | 103.4 mph (166.4 km/h) |
| 100 mph (160.93 km/h) | 108.84 mph (175.16 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 | 3103 | 3314 | 3547 | 3728 | 3845 | 3910 | 4150 | 4484 | 5211 |
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