Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 135/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 23.5 (597) | 1.06 (27) 4.7% |
| Width inches (mm) | 5.31 (135) | 5.31 (135) | 0 (0) 0% |
| Circum. inches (mm) | 70.5 (1790.71) | 73.84 (1875.53) | 3.34 (84.82) 4.7% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.25 (108) | 0.53 (13.5) 14.3% |
| Revolutions per mile (km) | 898.72 (558.44) | 858.07 (533.18) | -40.65 (-25.26) -4.5% |
135/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.95 mph (33.71 km/h) |
| 25 mph (40.23 km/h) | 26.18 mph (42.14 km/h) |
| 30 mph (48.28 km/h) | 31.42 mph (50.57 km/h) |
| 35 mph (56.33 km/h) | 36.66 mph (59 km/h) |
| 40 mph (64.37 km/h) | 41.89 mph (67.42 km/h) |
| 45 mph (72.42 km/h) | 47.13 mph (75.85 km/h) |
| 50 mph (80.47 km/h) | 52.37 mph (84.28 km/h) |
| 55 mph (88.51 km/h) | 57.61 mph (92.71 km/h) |
| 60 mph (96.56 km/h) | 62.84 mph (101.13 km/h) |
| 65 mph (104.61 km/h) | 68.08 mph (109.56 km/h) |
| 70 mph (112.65 km/h) | 73.32 mph (117.99 km/h) |
| 75 mph (120.7 km/h) | 78.55 mph (126.42 km/h) |
| 80 mph (128.75 km/h) | 83.79 mph (134.85 km/h) |
| 85 mph (136.79 km/h) | 89.03 mph (143.27 km/h) |
| 90 mph (144.84 km/h) | 94.26 mph (151.7 km/h) |
| 95 mph (152.89 km/h) | 99.5 mph (160.13 km/h) |
| 100 mph (160.93 km/h) | 104.74 mph (168.56 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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