Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 165/75-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 23.74 (603.1) | 0.61 (15.5) 2.6% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 72.68 (1846) | 74.59 (1894.69) | 1.92 (48.69) 2.6% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.87 (123.75) | 0.31 (7.75) 6.7% |
| Revolutions per mile (km) | 871.8 (541.71) | 849.39 (527.79) | -22.41 (-13.92) -2.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.53 mph (33.04 km/h) |
| 25 mph (40.23 km/h) | 25.66 mph (41.29 km/h) |
| 30 mph (48.28 km/h) | 30.79 mph (49.55 km/h) |
| 35 mph (56.33 km/h) | 35.92 mph (57.81 km/h) |
| 40 mph (64.37 km/h) | 41.06 mph (66.07 km/h) |
| 45 mph (72.42 km/h) | 46.19 mph (74.33 km/h) |
| 50 mph (80.47 km/h) | 51.32 mph (82.59 km/h) |
| 55 mph (88.51 km/h) | 56.45 mph (90.85 km/h) |
| 60 mph (96.56 km/h) | 61.58 mph (99.11 km/h) |
| 65 mph (104.61 km/h) | 66.71 mph (107.37 km/h) |
| 70 mph (112.65 km/h) | 71.85 mph (115.63 km/h) |
| 75 mph (120.7 km/h) | 76.98 mph (123.88 km/h) |
| 80 mph (128.75 km/h) | 82.11 mph (132.14 km/h) |
| 85 mph (136.79 km/h) | 87.24 mph (140.4 km/h) |
| 90 mph (144.84 km/h) | 92.37 mph (148.66 km/h) |
| 95 mph (152.89 km/h) | 97.51 mph (156.92 km/h) |
| 100 mph (160.93 km/h) | 102.64 mph (165.18 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 | 2704 | 2824 | 2953 | 3045 | 3146 | 3265 | 3431 | 3596 | 3780 | 3928 | 4194 | 4489 | 4719 | 4866 | 4949 | 5252 | 5675 | 6595 |
Better Fuel Economy Factory Ratios Increased Power
