Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 24.02 (610.2) | 3.58 (91) 17.5% |
| Width inches (mm) | 5.31 (135) | 6.89 (175) | 1.57 (40) 29.6% |
| Circum. inches (mm) | 64.22 (1631.11) | 75.47 (1917) | 11.26 (285.88) 17.5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 5.51 (140) | 1.79 (45.5) 48.1% |
| Revolutions per mile (km) | 986.65 (613.08) | 839.51 (521.65) | -147.14 (-91.43) -14.9% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.51 mph (37.83 km/h) |
| 25 mph (40.23 km/h) | 29.38 mph (47.29 km/h) |
| 30 mph (48.28 km/h) | 35.26 mph (56.74 km/h) |
| 35 mph (56.33 km/h) | 41.13 mph (66.2 km/h) |
| 40 mph (64.37 km/h) | 47.01 mph (75.66 km/h) |
| 45 mph (72.42 km/h) | 52.89 mph (85.11 km/h) |
| 50 mph (80.47 km/h) | 58.76 mph (94.57 km/h) |
| 55 mph (88.51 km/h) | 64.64 mph (104.03 km/h) |
| 60 mph (96.56 km/h) | 70.52 mph (113.49 km/h) |
| 65 mph (104.61 km/h) | 76.39 mph (122.94 km/h) |
| 70 mph (112.65 km/h) | 82.27 mph (132.4 km/h) |
| 75 mph (120.7 km/h) | 88.15 mph (141.86 km/h) |
| 80 mph (128.75 km/h) | 94.02 mph (151.31 km/h) |
| 85 mph (136.79 km/h) | 99.9 mph (160.77 km/h) |
| 90 mph (144.84 km/h) | 105.77 mph (170.23 km/h) |
| 95 mph (152.89 km/h) | 111.65 mph (179.68 km/h) |
| 100 mph (160.93 km/h) | 117.53 mph (189.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2136 | 2482 | 2673 | 2791 | 2918 | 3009 | 3109 | 3227 | 3391 | 3555 | 3736 | 3882 | 4146 | 4436 | 4664 | 4809 | 4891 | 5191 | 5609 | 6518 |
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