Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 23.74 (603) | -1.91 (-48.6) -7.5% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 80.59 (2047.06) | 74.58 (1894.38) | -6.01 (-152.68) -7.5% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 4.37 (111) | -0.96 (-24.3) -18% |
| Revolutions per mile (km) | 786.17 (488.5) | 849.54 (527.88) | 63.36 (39.37) 8.1% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.51 mph (29.79 km/h) |
| 25 mph (40.23 km/h) | 23.14 mph (37.23 km/h) |
| 30 mph (48.28 km/h) | 27.76 mph (44.68 km/h) |
| 35 mph (56.33 km/h) | 32.39 mph (52.13 km/h) |
| 40 mph (64.37 km/h) | 37.02 mph (59.57 km/h) |
| 45 mph (72.42 km/h) | 41.64 mph (67.02 km/h) |
| 50 mph (80.47 km/h) | 46.27 mph (74.47 km/h) |
| 55 mph (88.51 km/h) | 50.9 mph (81.91 km/h) |
| 60 mph (96.56 km/h) | 55.52 mph (89.36 km/h) |
| 65 mph (104.61 km/h) | 60.15 mph (96.81 km/h) |
| 70 mph (112.65 km/h) | 64.78 mph (104.25 km/h) |
| 75 mph (120.7 km/h) | 69.41 mph (111.7 km/h) |
| 80 mph (128.75 km/h) | 74.03 mph (119.15 km/h) |
| 85 mph (136.79 km/h) | 78.66 mph (126.59 km/h) |
| 90 mph (144.84 km/h) | 83.29 mph (134.04 km/h) |
| 95 mph (152.89 km/h) | 87.91 mph (141.48 km/h) |
| 100 mph (160.93 km/h) | 92.54 mph (148.93 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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