Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/80-15 | 175/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.54 (725) | 24.02 (610.2) | -4.52 (-114.8) -15.8% |
| Width inches (mm) | 8.46 (215) | 6.89 (175) | -1.57 (-40) -18.6% |
| Circum. inches (mm) | 89.67 (2277.65) | 75.47 (1917) | -14.2 (-360.65) -15.8% |
| Sidewall Height inches (mm) | 6.77 (172) | 5.51 (140) | -1.26 (-32) -18.6% |
| Revolutions per mile (km) | 706.58 (439.05) | 839.51 (521.65) | 132.93 (82.6) 18.8% |
175/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.83 mph (27.09 km/h) |
| 25 mph (40.23 km/h) | 21.04 mph (33.86 km/h) |
| 30 mph (48.28 km/h) | 25.25 mph (40.64 km/h) |
| 35 mph (56.33 km/h) | 29.46 mph (47.41 km/h) |
| 40 mph (64.37 km/h) | 33.67 mph (54.18 km/h) |
| 45 mph (72.42 km/h) | 37.87 mph (60.95 km/h) |
| 50 mph (80.47 km/h) | 42.08 mph (67.73 km/h) |
| 55 mph (88.51 km/h) | 46.29 mph (74.5 km/h) |
| 60 mph (96.56 km/h) | 50.5 mph (81.27 km/h) |
| 65 mph (104.61 km/h) | 54.71 mph (88.04 km/h) |
| 70 mph (112.65 km/h) | 58.92 mph (94.82 km/h) |
| 75 mph (120.7 km/h) | 63.12 mph (101.59 km/h) |
| 80 mph (128.75 km/h) | 67.33 mph (108.36 km/h) |
| 85 mph (136.79 km/h) | 71.54 mph (115.13 km/h) |
| 90 mph (144.84 km/h) | 75.75 mph (121.91 km/h) |
| 95 mph (152.89 km/h) | 79.96 mph (128.68 km/h) |
| 100 mph (160.93 km/h) | 84.17 mph (135.45 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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