Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/90-18 | 295/75-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.4 (772.2) | 39.92 (1014) | 9.52 (241.8) 31.3% |
| Width inches (mm) | 6.89 (175) | 11.61 (295) | 4.72 (120) 68.6% |
| Circum. inches (mm) | 95.51 (2425.94) | 125.42 (3185.57) | 29.91 (759.64) 31.3% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 8.71 (221.25) | 2.51 (63.75) 40.5% |
| Revolutions per mile (km) | 663.39 (412.21) | 505.2 (313.91) | -158.19 (-98.3) -23.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.26 mph (42.27 km/h) |
| 25 mph (40.23 km/h) | 32.83 mph (52.83 km/h) |
| 30 mph (48.28 km/h) | 39.39 mph (63.4 km/h) |
| 35 mph (56.33 km/h) | 45.96 mph (73.96 km/h) |
| 40 mph (64.37 km/h) | 52.53 mph (84.53 km/h) |
| 45 mph (72.42 km/h) | 59.09 mph (95.1 km/h) |
| 50 mph (80.47 km/h) | 65.66 mph (105.66 km/h) |
| 55 mph (88.51 km/h) | 72.22 mph (116.23 km/h) |
| 60 mph (96.56 km/h) | 78.79 mph (126.8 km/h) |
| 65 mph (104.61 km/h) | 85.35 mph (137.36 km/h) |
| 70 mph (112.65 km/h) | 91.92 mph (147.93 km/h) |
| 75 mph (120.7 km/h) | 98.48 mph (158.5 km/h) |
| 80 mph (128.75 km/h) | 105.05 mph (169.06 km/h) |
| 85 mph (136.79 km/h) | 111.62 mph (179.63 km/h) |
| 90 mph (144.84 km/h) | 118.18 mph (190.2 km/h) |
| 95 mph (152.89 km/h) | 124.75 mph (200.76 km/h) |
| 100 mph (160.93 km/h) | 131.31 mph (211.33 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
