Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 270/70-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.88 (809.8) | 32.06 (814.3) | 0.18 (4.5) 0.6% |
| Width inches (mm) | 10.63 (270) | 10.04 (255) | -0.59 (-15) -5.6% |
| Circum. inches (mm) | 100.16 (2544.06) | 100.72 (2558.2) | 0.56 (14.14) 0.6% |
| Sidewall Height inches (mm) | 7.44 (189) | 7.53 (191.25) | 0.09 (2.25) 1.2% |
| Revolutions per mile (km) | 632.59 (393.07) | 629.09 (390.9) | -3.5 (-2.17) -0.6% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.11 mph (32.37 km/h) |
| 25 mph (40.23 km/h) | 25.14 mph (40.46 km/h) |
| 30 mph (48.28 km/h) | 30.17 mph (48.55 km/h) |
| 35 mph (56.33 km/h) | 35.19 mph (56.64 km/h) |
| 40 mph (64.37 km/h) | 40.22 mph (64.73 km/h) |
| 45 mph (72.42 km/h) | 45.25 mph (72.82 km/h) |
| 50 mph (80.47 km/h) | 50.28 mph (80.91 km/h) |
| 55 mph (88.51 km/h) | 55.31 mph (89.01 km/h) |
| 60 mph (96.56 km/h) | 60.33 mph (97.1 km/h) |
| 65 mph (104.61 km/h) | 65.36 mph (105.19 km/h) |
| 70 mph (112.65 km/h) | 70.39 mph (113.28 km/h) |
| 75 mph (120.7 km/h) | 75.42 mph (121.37 km/h) |
| 80 mph (128.75 km/h) | 80.44 mph (129.46 km/h) |
| 85 mph (136.79 km/h) | 85.47 mph (137.55 km/h) |
| 90 mph (144.84 km/h) | 90.5 mph (145.65 km/h) |
| 95 mph (152.89 km/h) | 95.53 mph (153.74 km/h) |
| 100 mph (160.93 km/h) | 100.56 mph (161.83 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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