Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-18 | 135/80-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.44 (646.2) | 25.5 (647.8) | 0.06 (1.6) 0.2% |
| Width inches (mm) | 5.31 (135) | 5.31 (135) | 0 (0) 0% |
| Circum. inches (mm) | 79.93 (2030.1) | 80.12 (2035.12) | 0.2 (5.03) 0.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.25 (108) | 0.53 (13.5) 14.3% |
| Revolutions per mile (km) | 792.74 (492.59) | 790.78 (491.37) | -1.96 (-1.22) -0.2% |
135/80-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.05 mph (32.27 km/h) |
| 25 mph (40.23 km/h) | 25.06 mph (40.33 km/h) |
| 30 mph (48.28 km/h) | 30.07 mph (48.4 km/h) |
| 35 mph (56.33 km/h) | 35.09 mph (56.47 km/h) |
| 40 mph (64.37 km/h) | 40.1 mph (64.53 km/h) |
| 45 mph (72.42 km/h) | 45.11 mph (72.6 km/h) |
| 50 mph (80.47 km/h) | 50.12 mph (80.67 km/h) |
| 55 mph (88.51 km/h) | 55.14 mph (88.73 km/h) |
| 60 mph (96.56 km/h) | 60.15 mph (96.8 km/h) |
| 65 mph (104.61 km/h) | 65.16 mph (104.87 km/h) |
| 70 mph (112.65 km/h) | 70.17 mph (112.93 km/h) |
| 75 mph (120.7 km/h) | 75.19 mph (121 km/h) |
| 80 mph (128.75 km/h) | 80.2 mph (129.07 km/h) |
| 85 mph (136.79 km/h) | 85.21 mph (137.13 km/h) |
| 90 mph (144.84 km/h) | 90.22 mph (145.2 km/h) |
| 95 mph (152.89 km/h) | 95.24 mph (153.27 km/h) |
| 100 mph (160.93 km/h) | 100.25 mph (161.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 2338 | 2518 | 2629 | 2749 | 2834 | 2929 | 3040 | 3194 | 3348 | 3520 | 3657 | 3905 | 4179 | 4393 | 4530 | 4607 | 4890 | 5284 | 6140 |
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