Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 135/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 23.5 (597) | -0.04 (-1) -0.2% |
| Width inches (mm) | 6.1 (155) | 5.31 (135) | -0.79 (-20) -12.9% |
| Circum. inches (mm) | 73.96 (1878.67) | 73.84 (1875.53) | -0.12 (-3.14) -0.2% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.25 (108) | -0.02 (-0.5) -0.5% |
| Revolutions per mile (km) | 856.64 (532.29) | 858.07 (533.18) | 1.43 (0.89) 0.2% |
135/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.97 mph (32.13 km/h) |
| 25 mph (40.23 km/h) | 24.96 mph (40.17 km/h) |
| 30 mph (48.28 km/h) | 29.95 mph (48.2 km/h) |
| 35 mph (56.33 km/h) | 34.94 mph (56.23 km/h) |
| 40 mph (64.37 km/h) | 39.93 mph (64.27 km/h) |
| 45 mph (72.42 km/h) | 44.92 mph (72.3 km/h) |
| 50 mph (80.47 km/h) | 49.92 mph (80.33 km/h) |
| 55 mph (88.51 km/h) | 54.91 mph (88.37 km/h) |
| 60 mph (96.56 km/h) | 59.9 mph (96.4 km/h) |
| 65 mph (104.61 km/h) | 64.89 mph (104.43 km/h) |
| 70 mph (112.65 km/h) | 69.88 mph (112.47 km/h) |
| 75 mph (120.7 km/h) | 74.87 mph (120.5 km/h) |
| 80 mph (128.75 km/h) | 79.87 mph (128.53 km/h) |
| 85 mph (136.79 km/h) | 84.86 mph (136.57 km/h) |
| 90 mph (144.84 km/h) | 89.85 mph (144.6 km/h) |
| 95 mph (152.89 km/h) | 94.84 mph (152.63 km/h) |
| 100 mph (160.93 km/h) | 99.83 mph (160.67 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2184 | 2537 | 2732 | 2853 | 2983 | 3076 | 3178 | 3299 | 3466 | 3633 | 3819 | 3968 | 4237 | 4535 | 4767 | 4915 | 4999 | 5306 | 5733 | 6662 |
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