Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/70-15 | 185/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.02 (661) | 23.74 (603) | -2.28 (-58) -8.8% |
| Width inches (mm) | 7.87 (200) | 7.28 (185) | -0.59 (-15) -7.5% |
| Circum. inches (mm) | 81.76 (2076.59) | 74.58 (1894.38) | -7.17 (-182.21) -8.8% |
| Sidewall Height inches (mm) | 5.51 (140) | 4.37 (111) | -1.14 (-29) -20.7% |
| Revolutions per mile (km) | 774.99 (481.56) | 849.54 (527.88) | 74.54 (46.32) 9.6% |
185/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.25 mph (29.36 km/h) |
| 25 mph (40.23 km/h) | 22.81 mph (36.7 km/h) |
| 30 mph (48.28 km/h) | 27.37 mph (44.04 km/h) |
| 35 mph (56.33 km/h) | 31.93 mph (51.38 km/h) |
| 40 mph (64.37 km/h) | 36.49 mph (58.73 km/h) |
| 45 mph (72.42 km/h) | 41.05 mph (66.07 km/h) |
| 50 mph (80.47 km/h) | 45.61 mph (73.41 km/h) |
| 55 mph (88.51 km/h) | 50.17 mph (80.75 km/h) |
| 60 mph (96.56 km/h) | 54.74 mph (88.09 km/h) |
| 65 mph (104.61 km/h) | 59.3 mph (95.43 km/h) |
| 70 mph (112.65 km/h) | 63.86 mph (102.77 km/h) |
| 75 mph (120.7 km/h) | 68.42 mph (110.11 km/h) |
| 80 mph (128.75 km/h) | 72.98 mph (117.45 km/h) |
| 85 mph (136.79 km/h) | 77.54 mph (124.79 km/h) |
| 90 mph (144.84 km/h) | 82.1 mph (132.13 km/h) |
| 95 mph (152.89 km/h) | 86.66 mph (139.47 km/h) |
| 100 mph (160.93 km/h) | 91.23 mph (146.81 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
