Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-17 | 255/75-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.06 (839.8) | 32.06 (814.3) | -1 (-25.5) -3% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 103.87 (2638.31) | 100.72 (2558.2) | -3.15 (-80.11) -3% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.53 (191.25) | -0.5 (-12.75) -6.3% |
| Revolutions per mile (km) | 609.99 (379.03) | 629.09 (390.9) | 19.1 (11.87) 3.1% |
255/75-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.21 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39.01 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.81 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.62 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.42 km/h) |
| 45 mph (72.42 km/h) | 43.63 mph (70.22 km/h) |
| 50 mph (80.47 km/h) | 48.48 mph (78.02 km/h) |
| 55 mph (88.51 km/h) | 53.33 mph (85.83 km/h) |
| 60 mph (96.56 km/h) | 58.18 mph (93.63 km/h) |
| 65 mph (104.61 km/h) | 63.03 mph (101.43 km/h) |
| 70 mph (112.65 km/h) | 67.87 mph (109.23 km/h) |
| 75 mph (120.7 km/h) | 72.72 mph (117.04 km/h) |
| 80 mph (128.75 km/h) | 77.57 mph (124.84 km/h) |
| 85 mph (136.79 km/h) | 82.42 mph (132.64 km/h) |
| 90 mph (144.84 km/h) | 87.27 mph (140.44 km/h) |
| 95 mph (152.89 km/h) | 92.12 mph (148.25 km/h) |
| 100 mph (160.93 km/h) | 96.96 mph (156.05 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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