Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-13 | 175/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.65 (575.2) | 22.58 (573.5) | -0.07 (-1.7) -0.3% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 71.14 (1807.04) | 70.93 (1801.7) | -0.21 (-5.34) -0.3% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 3.79 (96.25) | -1.03 (-26.25) -21.4% |
| Revolutions per mile (km) | 890.59 (553.39) | 893.23 (555.03) | 2.64 (1.64) 0.3% |
175/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.09 km/h) |
| 25 mph (40.23 km/h) | 24.93 mph (40.11 km/h) |
| 30 mph (48.28 km/h) | 29.91 mph (48.14 km/h) |
| 35 mph (56.33 km/h) | 34.9 mph (56.16 km/h) |
| 40 mph (64.37 km/h) | 39.88 mph (64.18 km/h) |
| 45 mph (72.42 km/h) | 44.87 mph (72.21 km/h) |
| 50 mph (80.47 km/h) | 49.85 mph (80.23 km/h) |
| 55 mph (88.51 km/h) | 54.84 mph (88.25 km/h) |
| 60 mph (96.56 km/h) | 59.82 mph (96.28 km/h) |
| 65 mph (104.61 km/h) | 64.81 mph (104.3 km/h) |
| 70 mph (112.65 km/h) | 69.79 mph (112.32 km/h) |
| 75 mph (120.7 km/h) | 74.78 mph (120.34 km/h) |
| 80 mph (128.75 km/h) | 79.76 mph (128.37 km/h) |
| 85 mph (136.79 km/h) | 84.75 mph (136.39 km/h) |
| 90 mph (144.84 km/h) | 89.73 mph (144.41 km/h) |
| 95 mph (152.89 km/h) | 94.72 mph (152.44 km/h) |
| 100 mph (160.93 km/h) | 99.7 mph (160.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2273 | 2641 | 2844 | 2970 | 3105 | 3202 | 3308 | 3434 | 3608 | 3782 | 3976 | 4130 | 4411 | 4720 | 4962 | 5117 | 5204 | 5523 | 5968 | 6935 |
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