Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 256/60-18 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.09 (764.4) | 32.06 (814.3) | 1.96 (49.9) 6.5% |
| Width inches (mm) | 10.08 (256) | 10.04 (255) | -0.04 (-1) -0.4% |
| Circum. inches (mm) | 94.54 (2401.43) | 100.72 (2558.2) | 6.17 (156.77) 6.5% |
| Sidewall Height inches (mm) | 6.05 (153.6) | 7.53 (191.25) | 1.48 (37.65) 24.5% |
| Revolutions per mile (km) | 670.16 (416.42) | 629.09 (390.9) | -41.07 (-25.52) -6.1% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.31 mph (34.29 km/h) |
| 25 mph (40.23 km/h) | 26.63 mph (42.86 km/h) |
| 30 mph (48.28 km/h) | 31.96 mph (51.43 km/h) |
| 35 mph (56.33 km/h) | 37.28 mph (60 km/h) |
| 40 mph (64.37 km/h) | 42.61 mph (68.58 km/h) |
| 45 mph (72.42 km/h) | 47.94 mph (77.15 km/h) |
| 50 mph (80.47 km/h) | 53.26 mph (85.72 km/h) |
| 55 mph (88.51 km/h) | 58.59 mph (94.29 km/h) |
| 60 mph (96.56 km/h) | 63.92 mph (102.86 km/h) |
| 65 mph (104.61 km/h) | 69.24 mph (111.44 km/h) |
| 70 mph (112.65 km/h) | 74.57 mph (120.01 km/h) |
| 75 mph (120.7 km/h) | 79.9 mph (128.58 km/h) |
| 80 mph (128.75 km/h) | 85.22 mph (137.15 km/h) |
| 85 mph (136.79 km/h) | 90.55 mph (145.72 km/h) |
| 90 mph (144.84 km/h) | 95.88 mph (154.3 km/h) |
| 95 mph (152.89 km/h) | 101.2 mph (162.87 km/h) |
| 100 mph (160.93 km/h) | 106.53 mph (171.44 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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