Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/55-17 | 255/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.18 (690.3) | 27.04 (686.8) | -0.14 (-3.5) -0.5% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 85.38 (2168.64) | 84.95 (2157.65) | -0.43 (-11) -0.5% |
| Sidewall Height inches (mm) | 5.09 (129.25) | 5.02 (127.5) | -0.07 (-1.75) -1.4% |
| Revolutions per mile (km) | 742.1 (461.12) | 745.88 (463.47) | 3.78 (2.35) 0.5% |
255/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.9 mph (32.02 km/h) |
| 25 mph (40.23 km/h) | 24.87 mph (40.03 km/h) |
| 30 mph (48.28 km/h) | 29.85 mph (48.04 km/h) |
| 35 mph (56.33 km/h) | 34.82 mph (56.04 km/h) |
| 40 mph (64.37 km/h) | 39.8 mph (64.05 km/h) |
| 45 mph (72.42 km/h) | 44.77 mph (72.05 km/h) |
| 50 mph (80.47 km/h) | 49.75 mph (80.06 km/h) |
| 55 mph (88.51 km/h) | 54.72 mph (88.07 km/h) |
| 60 mph (96.56 km/h) | 59.7 mph (96.07 km/h) |
| 65 mph (104.61 km/h) | 64.67 mph (104.08 km/h) |
| 70 mph (112.65 km/h) | 69.65 mph (112.08 km/h) |
| 75 mph (120.7 km/h) | 74.62 mph (120.09 km/h) |
| 80 mph (128.75 km/h) | 79.59 mph (128.09 km/h) |
| 85 mph (136.79 km/h) | 84.57 mph (136.1 km/h) |
| 90 mph (144.84 km/h) | 89.54 mph (144.11 km/h) |
| 95 mph (152.89 km/h) | 94.52 mph (152.11 km/h) |
| 100 mph (160.93 km/h) | 99.49 mph (160.12 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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