Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.07 (586) | 23.74 (603) | 0.67 (17) 2.9% |
| Width inches (mm) | 8.07 (205) | 7.28 (185) | -0.79 (-20) -9.8% |
| Circum. inches (mm) | 72.48 (1840.97) | 74.58 (1894.38) | 2.1 (53.41) 2.9% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 4.37 (111) | 0.33 (8.5) 8.3% |
| Revolutions per mile (km) | 874.18 (543.19) | 849.54 (527.88) | -24.65 (-15.31) -2.8% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.12 km/h) |
| 25 mph (40.23 km/h) | 25.73 mph (41.4 km/h) |
| 30 mph (48.28 km/h) | 30.87 mph (49.68 km/h) |
| 35 mph (56.33 km/h) | 36.02 mph (57.96 km/h) |
| 40 mph (64.37 km/h) | 41.16 mph (66.24 km/h) |
| 45 mph (72.42 km/h) | 46.31 mph (74.52 km/h) |
| 50 mph (80.47 km/h) | 51.45 mph (82.8 km/h) |
| 55 mph (88.51 km/h) | 56.6 mph (91.08 km/h) |
| 60 mph (96.56 km/h) | 61.74 mph (99.36 km/h) |
| 65 mph (104.61 km/h) | 66.89 mph (107.64 km/h) |
| 70 mph (112.65 km/h) | 72.03 mph (115.92 km/h) |
| 75 mph (120.7 km/h) | 77.18 mph (124.2 km/h) |
| 80 mph (128.75 km/h) | 82.32 mph (132.48 km/h) |
| 85 mph (136.79 km/h) | 87.47 mph (140.76 km/h) |
| 90 mph (144.84 km/h) | 92.61 mph (149.04 km/h) |
| 95 mph (152.89 km/h) | 97.76 mph (157.32 km/h) |
| 100 mph (160.93 km/h) | 102.9 mph (165.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2162 | 2511 | 2705 | 2824 | 2953 | 3045 | 3146 | 3266 | 3431 | 3597 | 3781 | 3928 | 4195 | 4489 | 4719 | 4867 | 4949 | 5253 | 5676 | 6596 |
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