Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-14 | 145/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.5 (571.6) | 21.99 (558.6) | -0.51 (-13) -2.3% |
| Width inches (mm) | 5.31 (135) | 5.71 (145) | 0.39 (10) 7.4% |
| Circum. inches (mm) | 70.7 (1795.73) | 69.09 (1754.89) | -1.61 (-40.84) -2.3% |
| Sidewall Height inches (mm) | 4.25 (108) | 4 (101.5) | -0.26 (-6.5) -6% |
| Revolutions per mile (km) | 896.2 (556.87) | 917.06 (569.83) | 20.86 (12.96) 2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.55 mph (31.45 km/h) |
| 25 mph (40.23 km/h) | 24.43 mph (39.32 km/h) |
| 30 mph (48.28 km/h) | 29.32 mph (47.18 km/h) |
| 35 mph (56.33 km/h) | 34.2 mph (55.05 km/h) |
| 40 mph (64.37 km/h) | 39.09 mph (62.91 km/h) |
| 45 mph (72.42 km/h) | 43.98 mph (70.77 km/h) |
| 50 mph (80.47 km/h) | 48.86 mph (78.64 km/h) |
| 55 mph (88.51 km/h) | 53.75 mph (86.5 km/h) |
| 60 mph (96.56 km/h) | 58.64 mph (94.36 km/h) |
| 65 mph (104.61 km/h) | 63.52 mph (102.23 km/h) |
| 70 mph (112.65 km/h) | 68.41 mph (110.09 km/h) |
| 75 mph (120.7 km/h) | 73.29 mph (117.96 km/h) |
| 80 mph (128.75 km/h) | 78.18 mph (125.82 km/h) |
| 85 mph (136.79 km/h) | 83.07 mph (133.68 km/h) |
| 90 mph (144.84 km/h) | 87.95 mph (141.55 km/h) |
| 95 mph (152.89 km/h) | 92.84 mph (149.41 km/h) |
| 100 mph (160.93 km/h) | 97.73 mph (157.27 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
