Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 155/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 20.71 (526.1) | -2.42 (-61.5) -10.5% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 72.68 (1846) | 65.07 (1652.79) | -7.61 (-193.21) -10.5% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.36 (85.25) | -1.21 (-30.75) -26.5% |
| Revolutions per mile (km) | 871.8 (541.71) | 973.71 (605.04) | 101.91 (63.32) 11.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.91 mph (28.82 km/h) |
| 25 mph (40.23 km/h) | 22.38 mph (36.02 km/h) |
| 30 mph (48.28 km/h) | 26.86 mph (43.23 km/h) |
| 35 mph (56.33 km/h) | 31.34 mph (50.43 km/h) |
| 40 mph (64.37 km/h) | 35.81 mph (57.64 km/h) |
| 45 mph (72.42 km/h) | 40.29 mph (64.84 km/h) |
| 50 mph (80.47 km/h) | 44.77 mph (72.05 km/h) |
| 55 mph (88.51 km/h) | 49.24 mph (79.25 km/h) |
| 60 mph (96.56 km/h) | 53.72 mph (86.45 km/h) |
| 65 mph (104.61 km/h) | 58.2 mph (93.66 km/h) |
| 70 mph (112.65 km/h) | 62.67 mph (100.86 km/h) |
| 75 mph (120.7 km/h) | 67.15 mph (108.07 km/h) |
| 80 mph (128.75 km/h) | 71.63 mph (115.27 km/h) |
| 85 mph (136.79 km/h) | 76.1 mph (122.48 km/h) |
| 90 mph (144.84 km/h) | 80.58 mph (129.68 km/h) |
| 95 mph (152.89 km/h) | 85.06 mph (136.89 km/h) |
| 100 mph (160.93 km/h) | 89.53 mph (144.09 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
