Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 40/12.5-20 | 295/75-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 40.03 (1016.8) | 39.92 (1014) | -0.11 (-2.8) -0.3% |
| Width inches (mm) | 12.52 (318) | 11.61 (295) | -0.91 (-23) -7.2% |
| Circum. inches (mm) | 125.76 (3194.37) | 125.42 (3185.57) | -0.35 (-8.8) -0.3% |
| Sidewall Height inches (mm) | 10.02 (254.4) | 8.71 (221.25) | -1.31 (-33.15) -13% |
| Revolutions per mile (km) | 503.81 (313.05) | 505.2 (313.91) | 1.39 (0.86) 0.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.94 mph (32.1 km/h) |
| 25 mph (40.23 km/h) | 24.93 mph (40.12 km/h) |
| 30 mph (48.28 km/h) | 29.92 mph (48.15 km/h) |
| 35 mph (56.33 km/h) | 34.9 mph (56.17 km/h) |
| 40 mph (64.37 km/h) | 39.89 mph (64.2 km/h) |
| 45 mph (72.42 km/h) | 44.88 mph (72.22 km/h) |
| 50 mph (80.47 km/h) | 49.86 mph (80.25 km/h) |
| 55 mph (88.51 km/h) | 54.85 mph (88.27 km/h) |
| 60 mph (96.56 km/h) | 59.83 mph (96.29 km/h) |
| 65 mph (104.61 km/h) | 64.82 mph (104.32 km/h) |
| 70 mph (112.65 km/h) | 69.81 mph (112.34 km/h) |
| 75 mph (120.7 km/h) | 74.79 mph (120.37 km/h) |
| 80 mph (128.75 km/h) | 79.78 mph (128.39 km/h) |
| 85 mph (136.79 km/h) | 84.77 mph (136.42 km/h) |
| 90 mph (144.84 km/h) | 89.75 mph (144.44 km/h) |
| 95 mph (152.89 km/h) | 94.74 mph (152.47 km/h) |
| 100 mph (160.93 km/h) | 99.72 mph (160.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1286 | 1494 | 1608 | 1680 | 1756 | 1811 | 1871 | 1942 | 2041 | 2139 | 2248 | 2336 | 2495 | 2670 | 2807 | 2894 | 2943 | 3124 | 3375 | 3923 |
Better Fuel Economy Factory Ratios Increased Power
