Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-15 | 135/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.13 (613) | 23.5 (597) | -0.63 (-16) -2.6% |
| Width inches (mm) | 5.71 (145) | 5.31 (135) | -0.39 (-10) -6.9% |
| Circum. inches (mm) | 75.82 (1925.8) | 73.84 (1875.53) | -1.98 (-50.27) -2.6% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.25 (108) | -0.31 (-8) -6.9% |
| Revolutions per mile (km) | 835.68 (519.26) | 858.07 (533.18) | 22.4 (13.92) 2.7% |
135/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.48 mph (31.35 km/h) |
| 25 mph (40.23 km/h) | 24.35 mph (39.18 km/h) |
| 30 mph (48.28 km/h) | 29.22 mph (47.02 km/h) |
| 35 mph (56.33 km/h) | 34.09 mph (54.86 km/h) |
| 40 mph (64.37 km/h) | 38.96 mph (62.69 km/h) |
| 45 mph (72.42 km/h) | 43.83 mph (70.53 km/h) |
| 50 mph (80.47 km/h) | 48.69 mph (78.37 km/h) |
| 55 mph (88.51 km/h) | 53.56 mph (86.2 km/h) |
| 60 mph (96.56 km/h) | 58.43 mph (94.04 km/h) |
| 65 mph (104.61 km/h) | 63.3 mph (101.88 km/h) |
| 70 mph (112.65 km/h) | 68.17 mph (109.71 km/h) |
| 75 mph (120.7 km/h) | 73.04 mph (117.55 km/h) |
| 80 mph (128.75 km/h) | 77.91 mph (125.39 km/h) |
| 85 mph (136.79 km/h) | 82.78 mph (133.22 km/h) |
| 90 mph (144.84 km/h) | 87.65 mph (141.06 km/h) |
| 95 mph (152.89 km/h) | 92.52 mph (148.9 km/h) |
| 100 mph (160.93 km/h) | 97.39 mph (156.73 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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