Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/55-16 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.44 (620.9) | 23.74 (603) | -0.7 (-17.9) -2.9% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 76.8 (1950.61) | 74.58 (1894.38) | -2.21 (-56.23) -2.9% |
| Sidewall Height inches (mm) | 4.22 (107.25) | 4.37 (111) | 0.15 (3.75) 3.5% |
| Revolutions per mile (km) | 825.04 (512.66) | 849.54 (527.88) | 24.49 (15.22) 3% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.42 mph (31.26 km/h) |
| 25 mph (40.23 km/h) | 24.28 mph (39.07 km/h) |
| 30 mph (48.28 km/h) | 29.14 mph (46.89 km/h) |
| 35 mph (56.33 km/h) | 33.99 mph (54.7 km/h) |
| 40 mph (64.37 km/h) | 38.85 mph (62.52 km/h) |
| 45 mph (72.42 km/h) | 43.7 mph (70.33 km/h) |
| 50 mph (80.47 km/h) | 48.56 mph (78.15 km/h) |
| 55 mph (88.51 km/h) | 53.41 mph (85.96 km/h) |
| 60 mph (96.56 km/h) | 58.27 mph (93.78 km/h) |
| 65 mph (104.61 km/h) | 63.13 mph (101.59 km/h) |
| 70 mph (112.65 km/h) | 67.98 mph (109.41 km/h) |
| 75 mph (120.7 km/h) | 72.84 mph (117.22 km/h) |
| 80 mph (128.75 km/h) | 77.69 mph (125.04 km/h) |
| 85 mph (136.79 km/h) | 82.55 mph (132.85 km/h) |
| 90 mph (144.84 km/h) | 87.41 mph (140.67 km/h) |
| 95 mph (152.89 km/h) | 92.26 mph (148.48 km/h) |
| 100 mph (160.93 km/h) | 97.12 mph (156.3 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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