Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 165/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 23.09 (586.6) | -0.04 (-1) -0.2% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 72.68 (1846) | 72.55 (1842.86) | -0.12 (-3.14) -0.2% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.55 (115.5) | -0.02 (-0.5) -0.4% |
| Revolutions per mile (km) | 871.8 (541.71) | 873.29 (542.63) | 1.49 (0.92) 0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.97 mph (32.13 km/h) |
| 25 mph (40.23 km/h) | 24.96 mph (40.17 km/h) |
| 30 mph (48.28 km/h) | 29.95 mph (48.2 km/h) |
| 35 mph (56.33 km/h) | 34.94 mph (56.23 km/h) |
| 40 mph (64.37 km/h) | 39.93 mph (64.26 km/h) |
| 45 mph (72.42 km/h) | 44.92 mph (72.3 km/h) |
| 50 mph (80.47 km/h) | 49.91 mph (80.33 km/h) |
| 55 mph (88.51 km/h) | 54.91 mph (88.36 km/h) |
| 60 mph (96.56 km/h) | 59.9 mph (96.4 km/h) |
| 65 mph (104.61 km/h) | 64.89 mph (104.43 km/h) |
| 70 mph (112.65 km/h) | 69.88 mph (112.46 km/h) |
| 75 mph (120.7 km/h) | 74.87 mph (120.5 km/h) |
| 80 mph (128.75 km/h) | 79.86 mph (128.53 km/h) |
| 85 mph (136.79 km/h) | 84.86 mph (136.56 km/h) |
| 90 mph (144.84 km/h) | 89.85 mph (144.59 km/h) |
| 95 mph (152.89 km/h) | 94.84 mph (152.63 km/h) |
| 100 mph (160.93 km/h) | 99.83 mph (160.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2222 | 2582 | 2780 | 2903 | 3036 | 3130 | 3234 | 3357 | 3527 | 3698 | 3887 | 4038 | 4312 | 4615 | 4851 | 5003 | 5088 | 5400 | 5835 | 6781 |
Better Fuel Economy Factory Ratios Increased Power
