Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.8 (579) | 23.74 (603) | 0.94 (24) 4.1% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 71.61 (1818.98) | 74.58 (1894.38) | 2.97 (75.4) 4.1% |
| Sidewall Height inches (mm) | 3.9 (99) | 4.37 (111) | 0.47 (12) 12.1% |
| Revolutions per mile (km) | 884.75 (549.76) | 849.54 (527.88) | -35.21 (-21.88) -4% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.83 mph (33.52 km/h) |
| 25 mph (40.23 km/h) | 26.04 mph (41.9 km/h) |
| 30 mph (48.28 km/h) | 31.24 mph (50.28 km/h) |
| 35 mph (56.33 km/h) | 36.45 mph (58.66 km/h) |
| 40 mph (64.37 km/h) | 41.66 mph (67.04 km/h) |
| 45 mph (72.42 km/h) | 46.87 mph (75.42 km/h) |
| 50 mph (80.47 km/h) | 52.07 mph (83.8 km/h) |
| 55 mph (88.51 km/h) | 57.28 mph (92.18 km/h) |
| 60 mph (96.56 km/h) | 62.49 mph (100.56 km/h) |
| 65 mph (104.61 km/h) | 67.69 mph (108.94 km/h) |
| 70 mph (112.65 km/h) | 72.9 mph (117.32 km/h) |
| 75 mph (120.7 km/h) | 78.11 mph (125.7 km/h) |
| 80 mph (128.75 km/h) | 83.32 mph (134.08 km/h) |
| 85 mph (136.79 km/h) | 88.52 mph (142.46 km/h) |
| 90 mph (144.84 km/h) | 93.73 mph (150.85 km/h) |
| 95 mph (152.89 km/h) | 98.94 mph (159.23 km/h) |
| 100 mph (160.93 km/h) | 104.15 mph (167.61 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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