Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-17 | 255/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 28.04 (712.3) | 0.43 (11) 1.6% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 86.74 (2203.2) | 88.1 (2237.76) | 1.36 (34.56) 1.6% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 5.52 (140.25) | 0.22 (5.5) 4.1% |
| Revolutions per mile (km) | 730.46 (453.88) | 719.18 (446.88) | -11.28 (-7.01) -1.5% |
255/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.69 km/h) |
| 25 mph (40.23 km/h) | 25.39 mph (40.86 km/h) |
| 30 mph (48.28 km/h) | 30.47 mph (49.04 km/h) |
| 35 mph (56.33 km/h) | 35.55 mph (57.21 km/h) |
| 40 mph (64.37 km/h) | 40.63 mph (65.38 km/h) |
| 45 mph (72.42 km/h) | 45.71 mph (73.56 km/h) |
| 50 mph (80.47 km/h) | 50.78 mph (81.73 km/h) |
| 55 mph (88.51 km/h) | 55.86 mph (89.9 km/h) |
| 60 mph (96.56 km/h) | 60.94 mph (98.08 km/h) |
| 65 mph (104.61 km/h) | 66.02 mph (106.25 km/h) |
| 70 mph (112.65 km/h) | 71.1 mph (114.42 km/h) |
| 75 mph (120.7 km/h) | 76.18 mph (122.59 km/h) |
| 80 mph (128.75 km/h) | 81.25 mph (130.77 km/h) |
| 85 mph (136.79 km/h) | 86.33 mph (138.94 km/h) |
| 90 mph (144.84 km/h) | 91.41 mph (147.11 km/h) |
| 95 mph (152.89 km/h) | 96.49 mph (155.29 km/h) |
| 100 mph (160.93 km/h) | 101.57 mph (163.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1830 | 2126 | 2290 | 2391 | 2500 | 2578 | 2663 | 2765 | 2905 | 3045 | 3201 | 3325 | 3551 | 3801 | 3995 | 4120 | 4190 | 4447 | 4805 | 5584 |
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