Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-15 | 135/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.99 (584) | 23.5 (597) | 0.51 (13) 2.2% |
| Width inches (mm) | 5.71 (145) | 5.31 (135) | -0.39 (-10) -6.9% |
| Circum. inches (mm) | 72.23 (1834.69) | 73.84 (1875.53) | 1.61 (40.84) 2.2% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.25 (108) | 0.26 (6.5) 6.4% |
| Revolutions per mile (km) | 877.17 (545.05) | 858.07 (533.18) | -19.1 (-11.87) -2.2% |
135/80-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.13 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.36 km/h) |
| 35 mph (56.33 km/h) | 35.78 mph (57.58 km/h) |
| 40 mph (64.37 km/h) | 40.89 mph (65.81 km/h) |
| 45 mph (72.42 km/h) | 46 mph (74.03 km/h) |
| 50 mph (80.47 km/h) | 51.11 mph (82.26 km/h) |
| 55 mph (88.51 km/h) | 56.22 mph (90.48 km/h) |
| 60 mph (96.56 km/h) | 61.34 mph (98.71 km/h) |
| 65 mph (104.61 km/h) | 66.45 mph (106.94 km/h) |
| 70 mph (112.65 km/h) | 71.56 mph (115.16 km/h) |
| 75 mph (120.7 km/h) | 76.67 mph (123.39 km/h) |
| 80 mph (128.75 km/h) | 81.78 mph (131.61 km/h) |
| 85 mph (136.79 km/h) | 86.89 mph (139.84 km/h) |
| 90 mph (144.84 km/h) | 92 mph (148.07 km/h) |
| 95 mph (152.89 km/h) | 97.11 mph (156.29 km/h) |
| 100 mph (160.93 km/h) | 102.23 mph (164.52 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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