Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/25-22 | 31/12.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 31.01 (787.76) | 3.4 (86.46) 12.3% |
| Width inches (mm) | 11.22 (285) | 12.52 (318) | 1.3 (33) 11.6% |
| Circum. inches (mm) | 86.74 (2203.2) | 97.43 (2474.82) | 10.69 (271.62) 12.3% |
| Sidewall Height inches (mm) | 2.81 (71.25) | 4.51 (114.48) | 1.7 (43.23) 60.7% |
| Revolutions per mile (km) | 730.46 (453.88) | 650.29 (404.07) | -80.17 (-49.82) -11% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.47 mph (36.16 km/h) |
| 25 mph (40.23 km/h) | 28.08 mph (45.19 km/h) |
| 30 mph (48.28 km/h) | 33.7 mph (54.23 km/h) |
| 35 mph (56.33 km/h) | 39.31 mph (63.27 km/h) |
| 40 mph (64.37 km/h) | 44.93 mph (72.31 km/h) |
| 45 mph (72.42 km/h) | 50.55 mph (81.35 km/h) |
| 50 mph (80.47 km/h) | 56.16 mph (90.39 km/h) |
| 55 mph (88.51 km/h) | 61.78 mph (99.43 km/h) |
| 60 mph (96.56 km/h) | 67.4 mph (108.47 km/h) |
| 65 mph (104.61 km/h) | 73.01 mph (117.5 km/h) |
| 70 mph (112.65 km/h) | 78.63 mph (126.54 km/h) |
| 75 mph (120.7 km/h) | 84.25 mph (135.58 km/h) |
| 80 mph (128.75 km/h) | 89.86 mph (144.62 km/h) |
| 85 mph (136.79 km/h) | 95.48 mph (153.66 km/h) |
| 90 mph (144.84 km/h) | 101.1 mph (162.7 km/h) |
| 95 mph (152.89 km/h) | 106.71 mph (171.74 km/h) |
| 100 mph (160.93 km/h) | 112.33 mph (180.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1655 | 1922 | 2070 | 2162 | 2260 | 2331 | 2408 | 2500 | 2627 | 2753 | 2894 | 3007 | 3211 | 3436 | 3613 | 3725 | 3789 | 4021 | 4345 | 5049 |
Better Fuel Economy Factory Ratios Increased Power
