Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/80-13 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.65 (626.2) | 24.02 (610.2) | -0.63 (-16) -2.6% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 77.45 (1967.27) | 75.47 (1917) | -1.98 (-50.27) -2.6% |
| Sidewall Height inches (mm) | 5.83 (148) | 5.51 (140) | -0.31 (-8) -5.4% |
| Revolutions per mile (km) | 818.06 (508.32) | 839.51 (521.65) | 21.45 (13.33) 2.6% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.36 km/h) |
| 25 mph (40.23 km/h) | 24.36 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.23 mph (47.05 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.89 km/h) |
| 40 mph (64.37 km/h) | 38.98 mph (62.73 km/h) |
| 45 mph (72.42 km/h) | 43.85 mph (70.57 km/h) |
| 50 mph (80.47 km/h) | 48.72 mph (78.41 km/h) |
| 55 mph (88.51 km/h) | 53.59 mph (86.25 km/h) |
| 60 mph (96.56 km/h) | 58.47 mph (94.09 km/h) |
| 65 mph (104.61 km/h) | 63.34 mph (101.93 km/h) |
| 70 mph (112.65 km/h) | 68.21 mph (109.78 km/h) |
| 75 mph (120.7 km/h) | 73.08 mph (117.62 km/h) |
| 80 mph (128.75 km/h) | 77.96 mph (125.46 km/h) |
| 85 mph (136.79 km/h) | 82.83 mph (133.3 km/h) |
| 90 mph (144.84 km/h) | 87.7 mph (141.14 km/h) |
| 95 mph (152.89 km/h) | 92.57 mph (148.98 km/h) |
| 100 mph (160.93 km/h) | 97.44 mph (156.82 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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