Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/55-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.23 (590) | 23.74 (603) | 0.51 (13) 2.2% |
| Width inches (mm) | 7.48 (190) | 7.28 (185) | -0.2 (-5) -2.6% |
| Circum. inches (mm) | 72.97 (1853.54) | 74.58 (1894.38) | 1.61 (40.84) 2.2% |
| Sidewall Height inches (mm) | 4.11 (104.5) | 4.37 (111) | 0.26 (6.5) 6.2% |
| Revolutions per mile (km) | 868.25 (539.51) | 849.54 (527.88) | -18.72 (-11.63) -2.2% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.44 mph (32.9 km/h) |
| 25 mph (40.23 km/h) | 25.55 mph (41.12 km/h) |
| 30 mph (48.28 km/h) | 30.66 mph (49.34 km/h) |
| 35 mph (56.33 km/h) | 35.77 mph (57.57 km/h) |
| 40 mph (64.37 km/h) | 40.88 mph (65.79 km/h) |
| 45 mph (72.42 km/h) | 45.99 mph (74.02 km/h) |
| 50 mph (80.47 km/h) | 51.1 mph (82.24 km/h) |
| 55 mph (88.51 km/h) | 56.21 mph (90.46 km/h) |
| 60 mph (96.56 km/h) | 61.32 mph (98.69 km/h) |
| 65 mph (104.61 km/h) | 66.43 mph (106.91 km/h) |
| 70 mph (112.65 km/h) | 71.54 mph (115.14 km/h) |
| 75 mph (120.7 km/h) | 76.65 mph (123.36 km/h) |
| 80 mph (128.75 km/h) | 81.76 mph (131.58 km/h) |
| 85 mph (136.79 km/h) | 86.87 mph (139.81 km/h) |
| 90 mph (144.84 km/h) | 91.98 mph (148.03 km/h) |
| 95 mph (152.89 km/h) | 97.09 mph (156.26 km/h) |
| 100 mph (160.93 km/h) | 102.2 mph (164.48 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 |
Better Fuel Economy Factory Ratios Increased Power
