Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/70-13 | 185/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.09 (561.2) | 23.2 (589.2) | 1.1 (28) 5% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 69.41 (1763.06) | 72.88 (1851.03) | 3.46 (87.96) 5% |
| Sidewall Height inches (mm) | 4.55 (115.5) | 5.1 (129.5) | 0.55 (14) 12.1% |
| Revolutions per mile (km) | 912.81 (567.19) | 869.43 (540.24) | -43.38 (-26.95) -4.8% |
185/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21 mph (33.79 km/h) |
| 25 mph (40.23 km/h) | 26.25 mph (42.24 km/h) |
| 30 mph (48.28 km/h) | 31.5 mph (50.69 km/h) |
| 35 mph (56.33 km/h) | 36.75 mph (59.14 km/h) |
| 40 mph (64.37 km/h) | 42 mph (67.59 km/h) |
| 45 mph (72.42 km/h) | 47.25 mph (76.03 km/h) |
| 50 mph (80.47 km/h) | 52.49 mph (84.48 km/h) |
| 55 mph (88.51 km/h) | 57.74 mph (92.93 km/h) |
| 60 mph (96.56 km/h) | 62.99 mph (101.38 km/h) |
| 65 mph (104.61 km/h) | 68.24 mph (109.83 km/h) |
| 70 mph (112.65 km/h) | 73.49 mph (118.27 km/h) |
| 75 mph (120.7 km/h) | 78.74 mph (126.72 km/h) |
| 80 mph (128.75 km/h) | 83.99 mph (135.17 km/h) |
| 85 mph (136.79 km/h) | 89.24 mph (143.62 km/h) |
| 90 mph (144.84 km/h) | 94.49 mph (152.07 km/h) |
| 95 mph (152.89 km/h) | 99.74 mph (160.52 km/h) |
| 100 mph (160.93 km/h) | 104.99 mph (168.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2213 | 2570 | 2768 | 2890 | 3022 | 3116 | 3220 | 3342 | 3512 | 3681 | 3870 | 4020 | 4293 | 4595 | 4830 | 4981 | 5065 | 5376 | 5809 | 6751 |
Better Fuel Economy Factory Ratios Increased Power
