Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-17 | 255/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 27.04 (686.8) | -0.57 (-14.5) -2.1% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 86.74 (2203.2) | 84.95 (2157.65) | -1.79 (-45.55) -2.1% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 5.02 (127.5) | -0.29 (-7.25) -5.4% |
| Revolutions per mile (km) | 730.46 (453.88) | 745.88 (463.47) | 15.42 (9.58) 2.1% |
255/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.59 mph (31.52 km/h) |
| 25 mph (40.23 km/h) | 24.48 mph (39.4 km/h) |
| 30 mph (48.28 km/h) | 29.38 mph (47.28 km/h) |
| 35 mph (56.33 km/h) | 34.28 mph (55.16 km/h) |
| 40 mph (64.37 km/h) | 39.17 mph (63.04 km/h) |
| 45 mph (72.42 km/h) | 44.07 mph (70.92 km/h) |
| 50 mph (80.47 km/h) | 48.97 mph (78.8 km/h) |
| 55 mph (88.51 km/h) | 53.86 mph (86.68 km/h) |
| 60 mph (96.56 km/h) | 58.76 mph (94.56 km/h) |
| 65 mph (104.61 km/h) | 63.66 mph (102.44 km/h) |
| 70 mph (112.65 km/h) | 68.55 mph (110.33 km/h) |
| 75 mph (120.7 km/h) | 73.45 mph (118.21 km/h) |
| 80 mph (128.75 km/h) | 78.35 mph (126.09 km/h) |
| 85 mph (136.79 km/h) | 83.24 mph (133.97 km/h) |
| 90 mph (144.84 km/h) | 88.14 mph (141.85 km/h) |
| 95 mph (152.89 km/h) | 93.04 mph (149.73 km/h) |
| 100 mph (160.93 km/h) | 97.93 mph (157.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2205 | 2375 | 2480 | 2593 | 2674 | 2762 | 2867 | 3013 | 3158 | 3320 | 3449 | 3683 | 3942 | 4144 | 4273 | 4345 | 4612 | 4984 | 5791 |
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