Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-17 | 245/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 27.61 (701.3) | 1.93 (49) 7.5% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 80.68 (2049.26) | 86.74 (2203.2) | 6.06 (153.94) 7.5% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.31 (134.75) | 0.96 (24.5) 22.2% |
| Revolutions per mile (km) | 785.33 (487.98) | 730.46 (453.88) | -54.87 (-34.1) -7% |
245/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.5 mph (34.6 km/h) |
| 25 mph (40.23 km/h) | 26.88 mph (43.26 km/h) |
| 30 mph (48.28 km/h) | 32.25 mph (51.91 km/h) |
| 35 mph (56.33 km/h) | 37.63 mph (60.56 km/h) |
| 40 mph (64.37 km/h) | 43 mph (69.21 km/h) |
| 45 mph (72.42 km/h) | 48.38 mph (77.86 km/h) |
| 50 mph (80.47 km/h) | 53.76 mph (86.51 km/h) |
| 55 mph (88.51 km/h) | 59.13 mph (95.16 km/h) |
| 60 mph (96.56 km/h) | 64.51 mph (103.81 km/h) |
| 65 mph (104.61 km/h) | 69.88 mph (112.47 km/h) |
| 70 mph (112.65 km/h) | 75.26 mph (121.12 km/h) |
| 75 mph (120.7 km/h) | 80.63 mph (129.77 km/h) |
| 80 mph (128.75 km/h) | 86.01 mph (138.42 km/h) |
| 85 mph (136.79 km/h) | 91.39 mph (147.07 km/h) |
| 90 mph (144.84 km/h) | 96.76 mph (155.72 km/h) |
| 95 mph (152.89 km/h) | 102.14 mph (164.37 km/h) |
| 100 mph (160.93 km/h) | 107.51 mph (173.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1859 | 2159 | 2326 | 2428 | 2539 | 2618 | 2705 | 2808 | 2950 | 3093 | 3251 | 3378 | 3607 | 3860 | 4058 | 4184 | 4256 | 4517 | 4881 | 5672 |
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