Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-17 | 255/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.74 (679.3) | 28.04 (712.3) | 1.3 (33) 4.9% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 84.02 (2134.08) | 88.1 (2237.76) | 4.08 (103.67) 4.9% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.52 (140.25) | 0.65 (16.5) 13.3% |
| Revolutions per mile (km) | 754.11 (468.58) | 719.18 (446.88) | -34.94 (-21.71) -4.6% |
255/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.97 mph (33.75 km/h) |
| 25 mph (40.23 km/h) | 26.21 mph (42.19 km/h) |
| 30 mph (48.28 km/h) | 31.46 mph (50.63 km/h) |
| 35 mph (56.33 km/h) | 36.7 mph (59.06 km/h) |
| 40 mph (64.37 km/h) | 41.94 mph (67.5 km/h) |
| 45 mph (72.42 km/h) | 47.19 mph (75.94 km/h) |
| 50 mph (80.47 km/h) | 52.43 mph (84.38 km/h) |
| 55 mph (88.51 km/h) | 57.67 mph (92.81 km/h) |
| 60 mph (96.56 km/h) | 62.91 mph (101.25 km/h) |
| 65 mph (104.61 km/h) | 68.16 mph (109.69 km/h) |
| 70 mph (112.65 km/h) | 73.4 mph (118.13 km/h) |
| 75 mph (120.7 km/h) | 78.64 mph (126.56 km/h) |
| 80 mph (128.75 km/h) | 83.89 mph (135 km/h) |
| 85 mph (136.79 km/h) | 89.13 mph (143.44 km/h) |
| 90 mph (144.84 km/h) | 94.37 mph (151.88 km/h) |
| 95 mph (152.89 km/h) | 99.62 mph (160.32 km/h) |
| 100 mph (160.93 km/h) | 104.86 mph (168.75 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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