Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-14 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.28 (540.6) | 22.96 (583.1) | 1.67 (42.5) 7.9% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 66.86 (1698.34) | 72.12 (1831.86) | 5.26 (133.52) 7.9% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 4.48 (113.75) | 0.84 (21.25) 23% |
| Revolutions per mile (km) | 947.6 (588.81) | 878.53 (545.89) | -69.07 (-42.92) -7.3% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.57 mph (34.72 km/h) |
| 25 mph (40.23 km/h) | 26.97 mph (43.4 km/h) |
| 30 mph (48.28 km/h) | 32.36 mph (52.08 km/h) |
| 35 mph (56.33 km/h) | 37.75 mph (60.76 km/h) |
| 40 mph (64.37 km/h) | 43.14 mph (69.43 km/h) |
| 45 mph (72.42 km/h) | 48.54 mph (78.11 km/h) |
| 50 mph (80.47 km/h) | 53.93 mph (86.79 km/h) |
| 55 mph (88.51 km/h) | 59.32 mph (95.47 km/h) |
| 60 mph (96.56 km/h) | 64.72 mph (104.15 km/h) |
| 65 mph (104.61 km/h) | 70.11 mph (112.83 km/h) |
| 70 mph (112.65 km/h) | 75.5 mph (121.51 km/h) |
| 75 mph (120.7 km/h) | 80.9 mph (130.19 km/h) |
| 80 mph (128.75 km/h) | 86.29 mph (138.87 km/h) |
| 85 mph (136.79 km/h) | 91.68 mph (147.55 km/h) |
| 90 mph (144.84 km/h) | 97.08 mph (156.23 km/h) |
| 95 mph (152.89 km/h) | 102.47 mph (164.91 km/h) |
| 100 mph (160.93 km/h) | 107.86 mph (173.59 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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