Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.71 (830.8) | 32.06 (814.3) | -0.65 (-16.5) -2% |
| Width inches (mm) | 11.22 (285) | 10.04 (255) | -1.18 (-30) -10.5% |
| Circum. inches (mm) | 102.76 (2610.04) | 100.72 (2558.2) | -2.04 (-51.84) -2% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 7.53 (191.25) | -0.32 (-8.25) -4.1% |
| Revolutions per mile (km) | 616.6 (383.14) | 629.09 (390.9) | 12.49 (7.76) 2% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.55 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.32 km/h) |
| 35 mph (56.33 km/h) | 34.3 mph (55.21 km/h) |
| 40 mph (64.37 km/h) | 39.21 mph (63.1 km/h) |
| 45 mph (72.42 km/h) | 44.11 mph (70.98 km/h) |
| 50 mph (80.47 km/h) | 49.01 mph (78.87 km/h) |
| 55 mph (88.51 km/h) | 53.91 mph (86.76 km/h) |
| 60 mph (96.56 km/h) | 58.81 mph (94.64 km/h) |
| 65 mph (104.61 km/h) | 63.71 mph (102.53 km/h) |
| 70 mph (112.65 km/h) | 68.61 mph (110.42 km/h) |
| 75 mph (120.7 km/h) | 73.51 mph (118.3 km/h) |
| 80 mph (128.75 km/h) | 78.41 mph (126.19 km/h) |
| 85 mph (136.79 km/h) | 83.31 mph (134.08 km/h) |
| 90 mph (144.84 km/h) | 88.21 mph (141.96 km/h) |
| 95 mph (152.89 km/h) | 93.11 mph (149.85 km/h) |
| 100 mph (160.93 km/h) | 98.01 mph (157.74 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1601 | 1860 | 2003 | 2091 | 2187 | 2255 | 2330 | 2418 | 2541 | 2664 | 2800 | 2909 | 3106 | 3324 | 3495 | 3604 | 3665 | 3890 | 4203 | 4885 |
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