Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 425/65-22.5 | 255/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 44.25 (1124) | 36.56 (928.5) | -7.7 (-195.5) -17.4% |
| Width inches (mm) | 16.73 (425) | 10.04 (255) | -6.69 (-170) -40% |
| Circum. inches (mm) | 139.02 (3531.15) | 114.84 (2916.97) | -24.18 (-614.18) -17.4% |
| Sidewall Height inches (mm) | 10.88 (276.25) | 7.03 (178.5) | -3.85 (-97.75) -35.4% |
| Revolutions per mile (km) | 455.76 (283.19) | 551.72 (342.82) | 95.96 (59.63) 21.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.52 mph (26.59 km/h) |
| 25 mph (40.23 km/h) | 20.65 mph (33.24 km/h) |
| 30 mph (48.28 km/h) | 24.78 mph (39.88 km/h) |
| 35 mph (56.33 km/h) | 28.91 mph (46.53 km/h) |
| 40 mph (64.37 km/h) | 33.04 mph (53.18 km/h) |
| 45 mph (72.42 km/h) | 37.17 mph (59.82 km/h) |
| 50 mph (80.47 km/h) | 41.3 mph (66.47 km/h) |
| 55 mph (88.51 km/h) | 45.43 mph (73.12 km/h) |
| 60 mph (96.56 km/h) | 49.56 mph (79.77 km/h) |
| 65 mph (104.61 km/h) | 53.69 mph (86.41 km/h) |
| 70 mph (112.65 km/h) | 57.82 mph (93.06 km/h) |
| 75 mph (120.7 km/h) | 61.96 mph (99.71 km/h) |
| 80 mph (128.75 km/h) | 66.09 mph (106.35 km/h) |
| 85 mph (136.79 km/h) | 70.22 mph (113 km/h) |
| 90 mph (144.84 km/h) | 74.35 mph (119.65 km/h) |
| 95 mph (152.89 km/h) | 78.48 mph (126.3 km/h) |
| 100 mph (160.93 km/h) | 82.61 mph (132.94 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1404 | 1631 | 1757 | 1834 | 1918 | 1978 | 2043 | 2121 | 2229 | 2336 | 2456 | 2551 | 2724 | 2916 | 3065 | 3161 | 3214 | 3411 | 3686 | 4284 |
Better Fuel Economy Factory Ratios Increased Power
