Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/55-15 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.01 (584.5) | 22.96 (583.1) | -0.06 (-1.4) -0.2% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 72.29 (1836.26) | 72.12 (1831.86) | -0.17 (-4.4) -0.2% |
| Sidewall Height inches (mm) | 4.01 (101.75) | 4.48 (113.75) | 0.47 (12) 11.8% |
| Revolutions per mile (km) | 876.42 (544.58) | 878.53 (545.89) | 2.1 (1.31) 0.2% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.95 mph (32.11 km/h) |
| 25 mph (40.23 km/h) | 24.94 mph (40.14 km/h) |
| 30 mph (48.28 km/h) | 29.93 mph (48.16 km/h) |
| 35 mph (56.33 km/h) | 34.92 mph (56.19 km/h) |
| 40 mph (64.37 km/h) | 39.9 mph (64.22 km/h) |
| 45 mph (72.42 km/h) | 44.89 mph (72.25 km/h) |
| 50 mph (80.47 km/h) | 49.88 mph (80.27 km/h) |
| 55 mph (88.51 km/h) | 54.87 mph (88.3 km/h) |
| 60 mph (96.56 km/h) | 59.86 mph (96.33 km/h) |
| 65 mph (104.61 km/h) | 64.84 mph (104.36 km/h) |
| 70 mph (112.65 km/h) | 69.83 mph (112.38 km/h) |
| 75 mph (120.7 km/h) | 74.82 mph (120.41 km/h) |
| 80 mph (128.75 km/h) | 79.81 mph (128.44 km/h) |
| 85 mph (136.79 km/h) | 84.8 mph (136.47 km/h) |
| 90 mph (144.84 km/h) | 89.78 mph (144.49 km/h) |
| 95 mph (152.89 km/h) | 94.77 mph (152.52 km/h) |
| 100 mph (160.93 km/h) | 99.76 mph (160.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2236 | 2597 | 2797 | 2921 | 3054 | 3149 | 3254 | 3377 | 3549 | 3720 | 3910 | 4062 | 4338 | 4643 | 4880 | 5033 | 5118 | 5432 | 5870 | 6821 |
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