Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/90-16 | 125/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.15 (613.4) | 24.87 (631.8) | 0.72 (18.4) 3% |
| Width inches (mm) | 4.53 (115) | 4.92 (125) | 0.39 (10) 8.7% |
| Circum. inches (mm) | 75.87 (1927.05) | 78.14 (1984.86) | 2.28 (57.81) 3% |
| Sidewall Height inches (mm) | 4.07 (103.5) | 3.94 (100) | -0.14 (-3.5) -3.4% |
| Revolutions per mile (km) | 835.13 (518.93) | 810.81 (503.81) | -24.32 (-15.11) -2.9% |
125/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.15 km/h) |
| 25 mph (40.23 km/h) | 25.75 mph (41.44 km/h) |
| 30 mph (48.28 km/h) | 30.9 mph (49.73 km/h) |
| 35 mph (56.33 km/h) | 36.05 mph (58.02 km/h) |
| 40 mph (64.37 km/h) | 41.2 mph (66.3 km/h) |
| 45 mph (72.42 km/h) | 46.35 mph (74.59 km/h) |
| 50 mph (80.47 km/h) | 51.5 mph (82.88 km/h) |
| 55 mph (88.51 km/h) | 56.65 mph (91.17 km/h) |
| 60 mph (96.56 km/h) | 61.8 mph (99.46 km/h) |
| 65 mph (104.61 km/h) | 66.95 mph (107.75 km/h) |
| 70 mph (112.65 km/h) | 72.1 mph (116.03 km/h) |
| 75 mph (120.7 km/h) | 77.25 mph (124.32 km/h) |
| 80 mph (128.75 km/h) | 82.4 mph (132.61 km/h) |
| 85 mph (136.79 km/h) | 87.55 mph (140.9 km/h) |
| 90 mph (144.84 km/h) | 92.7 mph (149.19 km/h) |
| 95 mph (152.89 km/h) | 97.85 mph (157.47 km/h) |
| 100 mph (160.93 km/h) | 103 mph (165.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2063 | 2397 | 2581 | 2696 | 2818 | 2906 | 3003 | 3117 | 3275 | 3433 | 3609 | 3749 | 4004 | 4285 | 4504 | 4645 | 4724 | 5014 | 5417 | 6295 |
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