Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-13 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.93 (607.7) | 24.02 (610.2) | 0.1 (2.5) 0.4% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 75.16 (1909.15) | 75.47 (1917) | 0.31 (7.85) 0.4% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 5.51 (140) | 0.05 (1.25) 0.9% |
| Revolutions per mile (km) | 842.97 (523.79) | 839.51 (521.65) | -3.45 (-2.15) -0.4% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.08 mph (32.32 km/h) |
| 25 mph (40.23 km/h) | 25.1 mph (40.4 km/h) |
| 30 mph (48.28 km/h) | 30.12 mph (48.48 km/h) |
| 35 mph (56.33 km/h) | 35.14 mph (56.56 km/h) |
| 40 mph (64.37 km/h) | 40.16 mph (64.64 km/h) |
| 45 mph (72.42 km/h) | 45.19 mph (72.72 km/h) |
| 50 mph (80.47 km/h) | 50.21 mph (80.8 km/h) |
| 55 mph (88.51 km/h) | 55.23 mph (88.88 km/h) |
| 60 mph (96.56 km/h) | 60.25 mph (96.96 km/h) |
| 65 mph (104.61 km/h) | 65.27 mph (105.04 km/h) |
| 70 mph (112.65 km/h) | 70.29 mph (113.12 km/h) |
| 75 mph (120.7 km/h) | 75.31 mph (121.2 km/h) |
| 80 mph (128.75 km/h) | 80.33 mph (129.28 km/h) |
| 85 mph (136.79 km/h) | 85.35 mph (137.36 km/h) |
| 90 mph (144.84 km/h) | 90.37 mph (145.44 km/h) |
| 95 mph (152.89 km/h) | 95.39 mph (153.52 km/h) |
| 100 mph (160.93 km/h) | 100.41 mph (161.6 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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