Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-13 | 185/60-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.2 (589.2) | 21.74 (552.2) | -1.46 (-37) -6.3% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 72.88 (1851.03) | 68.3 (1734.79) | -4.58 (-116.24) -6.3% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.37 (111) | -0.73 (-18.5) -14.3% |
| Revolutions per mile (km) | 869.43 (540.24) | 927.69 (576.44) | 58.26 (36.2) 6.7% |
185/60-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.74 mph (30.17 km/h) |
| 25 mph (40.23 km/h) | 23.43 mph (37.71 km/h) |
| 30 mph (48.28 km/h) | 28.12 mph (45.25 km/h) |
| 35 mph (56.33 km/h) | 32.8 mph (52.79 km/h) |
| 40 mph (64.37 km/h) | 37.49 mph (60.33 km/h) |
| 45 mph (72.42 km/h) | 42.17 mph (67.87 km/h) |
| 50 mph (80.47 km/h) | 46.86 mph (75.41 km/h) |
| 55 mph (88.51 km/h) | 51.55 mph (82.96 km/h) |
| 60 mph (96.56 km/h) | 56.23 mph (90.5 km/h) |
| 65 mph (104.61 km/h) | 60.92 mph (98.04 km/h) |
| 70 mph (112.65 km/h) | 65.6 mph (105.58 km/h) |
| 75 mph (120.7 km/h) | 70.29 mph (113.12 km/h) |
| 80 mph (128.75 km/h) | 74.98 mph (120.66 km/h) |
| 85 mph (136.79 km/h) | 79.66 mph (128.2 km/h) |
| 90 mph (144.84 km/h) | 84.35 mph (135.75 km/h) |
| 95 mph (152.89 km/h) | 89.03 mph (143.29 km/h) |
| 100 mph (160.93 km/h) | 93.72 mph (150.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
