Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-13 | 155/75-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.13 (562.2) | 22.15 (562.7) | 0.02 (0.5) 0.1% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 69.54 (1766.2) | 69.6 (1767.77) | 0.06 (1.57) 0.1% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.58 (116.25) | 0.01 (0.25) 0.2% |
| Revolutions per mile (km) | 911.19 (566.19) | 910.38 (565.68) | -0.81 (-0.5) -0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.02 mph (32.22 km/h) |
| 25 mph (40.23 km/h) | 25.02 mph (40.27 km/h) |
| 30 mph (48.28 km/h) | 30.03 mph (48.32 km/h) |
| 35 mph (56.33 km/h) | 35.03 mph (56.38 km/h) |
| 40 mph (64.37 km/h) | 40.04 mph (64.43 km/h) |
| 45 mph (72.42 km/h) | 45.04 mph (72.49 km/h) |
| 50 mph (80.47 km/h) | 50.04 mph (80.54 km/h) |
| 55 mph (88.51 km/h) | 55.05 mph (88.59 km/h) |
| 60 mph (96.56 km/h) | 60.05 mph (96.65 km/h) |
| 65 mph (104.61 km/h) | 65.06 mph (104.7 km/h) |
| 70 mph (112.65 km/h) | 70.06 mph (112.75 km/h) |
| 75 mph (120.7 km/h) | 75.07 mph (120.81 km/h) |
| 80 mph (128.75 km/h) | 80.07 mph (128.86 km/h) |
| 85 mph (136.79 km/h) | 85.08 mph (136.92 km/h) |
| 90 mph (144.84 km/h) | 90.08 mph (144.97 km/h) |
| 95 mph (152.89 km/h) | 95.08 mph (153.02 km/h) |
| 100 mph (160.93 km/h) | 100.09 mph (161.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2317 | 2691 | 2898 | 3027 | 3165 | 3263 | 3372 | 3500 | 3677 | 3855 | 4052 | 4210 | 4495 | 4811 | 5057 | 5215 | 5304 | 5629 | 6083 | 7069 |
Better Fuel Economy Factory Ratios Increased Power
