Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 155/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 21.54 (547.2) | -1.59 (-40.4) -6.9% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 72.68 (1846) | 67.68 (1719.08) | -5 (-126.92) -6.9% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.27 (108.5) | -0.3 (-7.5) -6.5% |
| Revolutions per mile (km) | 871.8 (541.71) | 936.17 (581.71) | 64.37 (39.99) 7.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.62 mph (29.97 km/h) |
| 25 mph (40.23 km/h) | 23.28 mph (37.47 km/h) |
| 30 mph (48.28 km/h) | 27.94 mph (44.96 km/h) |
| 35 mph (56.33 km/h) | 32.59 mph (52.45 km/h) |
| 40 mph (64.37 km/h) | 37.25 mph (59.95 km/h) |
| 45 mph (72.42 km/h) | 41.91 mph (67.44 km/h) |
| 50 mph (80.47 km/h) | 46.56 mph (74.93 km/h) |
| 55 mph (88.51 km/h) | 51.22 mph (82.43 km/h) |
| 60 mph (96.56 km/h) | 55.87 mph (89.92 km/h) |
| 65 mph (104.61 km/h) | 60.53 mph (97.42 km/h) |
| 70 mph (112.65 km/h) | 65.19 mph (104.91 km/h) |
| 75 mph (120.7 km/h) | 69.84 mph (112.4 km/h) |
| 80 mph (128.75 km/h) | 74.5 mph (119.9 km/h) |
| 85 mph (136.79 km/h) | 79.16 mph (127.39 km/h) |
| 90 mph (144.84 km/h) | 83.81 mph (134.88 km/h) |
| 95 mph (152.89 km/h) | 88.47 mph (142.38 km/h) |
| 100 mph (160.93 km/h) | 93.12 mph (149.87 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
