Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/70-13 | 175/60-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.2 (589.2) | 21.27 (540.2) | -1.93 (-49) -8.3% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 72.88 (1851.03) | 66.81 (1697.09) | -6.06 (-153.94) -8.3% |
| Sidewall Height inches (mm) | 5.1 (129.5) | 4.13 (105) | -0.96 (-24.5) -18.9% |
| Revolutions per mile (km) | 869.43 (540.24) | 948.3 (589.24) | 78.86 (49) 9.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.34 mph (29.51 km/h) |
| 25 mph (40.23 km/h) | 22.92 mph (36.89 km/h) |
| 30 mph (48.28 km/h) | 27.51 mph (44.27 km/h) |
| 35 mph (56.33 km/h) | 32.09 mph (51.64 km/h) |
| 40 mph (64.37 km/h) | 36.67 mph (59.02 km/h) |
| 45 mph (72.42 km/h) | 41.26 mph (66.4 km/h) |
| 50 mph (80.47 km/h) | 45.84 mph (73.78 km/h) |
| 55 mph (88.51 km/h) | 50.43 mph (81.15 km/h) |
| 60 mph (96.56 km/h) | 55.01 mph (88.53 km/h) |
| 65 mph (104.61 km/h) | 59.59 mph (95.91 km/h) |
| 70 mph (112.65 km/h) | 64.18 mph (103.29 km/h) |
| 75 mph (120.7 km/h) | 68.76 mph (110.66 km/h) |
| 80 mph (128.75 km/h) | 73.35 mph (118.04 km/h) |
| 85 mph (136.79 km/h) | 77.93 mph (125.42 km/h) |
| 90 mph (144.84 km/h) | 82.52 mph (132.8 km/h) |
| 95 mph (152.89 km/h) | 87.1 mph (140.17 km/h) |
| 100 mph (160.93 km/h) | 91.68 mph (147.55 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
