Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-14 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.2 (614.6) | 23.74 (603) | -0.46 (-11.6) -1.9% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 76.02 (1930.82) | 74.58 (1894.38) | -1.43 (-36.44) -1.9% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.37 (111) | -0.73 (-18.5) -14.3% |
| Revolutions per mile (km) | 833.5 (517.91) | 849.54 (527.88) | 16.03 (9.96) 1.9% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.62 mph (31.58 km/h) |
| 25 mph (40.23 km/h) | 24.53 mph (39.47 km/h) |
| 30 mph (48.28 km/h) | 29.43 mph (47.37 km/h) |
| 35 mph (56.33 km/h) | 34.34 mph (55.26 km/h) |
| 40 mph (64.37 km/h) | 39.25 mph (63.16 km/h) |
| 45 mph (72.42 km/h) | 44.15 mph (71.05 km/h) |
| 50 mph (80.47 km/h) | 49.06 mph (78.95 km/h) |
| 55 mph (88.51 km/h) | 53.96 mph (86.84 km/h) |
| 60 mph (96.56 km/h) | 58.87 mph (94.74 km/h) |
| 65 mph (104.61 km/h) | 63.77 mph (102.63 km/h) |
| 70 mph (112.65 km/h) | 68.68 mph (110.53 km/h) |
| 75 mph (120.7 km/h) | 73.58 mph (118.42 km/h) |
| 80 mph (128.75 km/h) | 78.49 mph (126.32 km/h) |
| 85 mph (136.79 km/h) | 83.4 mph (134.21 km/h) |
| 90 mph (144.84 km/h) | 88.3 mph (142.11 km/h) |
| 95 mph (152.89 km/h) | 93.21 mph (150 km/h) |
| 100 mph (160.93 km/h) | 98.11 mph (157.9 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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