Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-17 | 125/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.54 (648.8) | 24.87 (631.8) | -0.67 (-17) -2.6% |
| Width inches (mm) | 6.1 (155) | 4.92 (125) | -1.18 (-30) -19.4% |
| Circum. inches (mm) | 80.25 (2038.27) | 78.14 (1984.86) | -2.1 (-53.41) -2.6% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 3.94 (100) | -0.33 (-8.5) -7.8% |
| Revolutions per mile (km) | 789.57 (490.61) | 810.81 (503.81) | 21.25 (13.2) 2.7% |
125/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.34 km/h) |
| 25 mph (40.23 km/h) | 24.34 mph (39.18 km/h) |
| 30 mph (48.28 km/h) | 29.21 mph (47.02 km/h) |
| 35 mph (56.33 km/h) | 34.08 mph (54.85 km/h) |
| 40 mph (64.37 km/h) | 38.95 mph (62.69 km/h) |
| 45 mph (72.42 km/h) | 43.82 mph (70.52 km/h) |
| 50 mph (80.47 km/h) | 48.69 mph (78.36 km/h) |
| 55 mph (88.51 km/h) | 53.56 mph (86.19 km/h) |
| 60 mph (96.56 km/h) | 58.43 mph (94.03 km/h) |
| 65 mph (104.61 km/h) | 63.3 mph (101.87 km/h) |
| 70 mph (112.65 km/h) | 68.17 mph (109.7 km/h) |
| 75 mph (120.7 km/h) | 73.03 mph (117.54 km/h) |
| 80 mph (128.75 km/h) | 77.9 mph (125.37 km/h) |
| 85 mph (136.79 km/h) | 82.77 mph (133.21 km/h) |
| 90 mph (144.84 km/h) | 87.64 mph (141.05 km/h) |
| 95 mph (152.89 km/h) | 92.51 mph (148.88 km/h) |
| 100 mph (160.93 km/h) | 97.38 mph (156.72 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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